Incremental learning from unbalanced data with concept class, concept drift a...IJDKP
Recently, stream data mining applications has drawn vital attention from several research communities.
Stream data is continuous form of data which is distinguished by its online nature. Traditionally, machine
learning area has been developing learning algorithms that have certain assumptions on underlying
distribution of data such as data should have predetermined distribution. Such constraints on the problem
domain lead the way for development of smart learning algorithms performance is theoretically verifiable.
Real-word situations are different than this restricted model. Applications usually suffers from problems
such as unbalanced data distribution. Additionally, data picked from non-stationary environments are also
usual in real world applications, resulting in the “concept drift” which is related with data stream
examples. These issues have been separately addressed by the researchers, also, it is observed that joint
problem of class imbalance and concept drift has got relatively little research. If the final objective of
clever machine learning techniques is to be able to address a broad spectrum of real world applications,
then the necessity for a universal framework for learning from and tailoring (adapting) to, environment
where drift in concepts may occur and unbalanced data distribution is present can be hardly exaggerated.
In this paper, we first present an overview of issues that are observed in stream data mining scenarios,
followed by a complete review of recent research in dealing with each of the issue.
A Survey Ondecision Tree Learning Algorithms for Knowledge DiscoveryIJERA Editor
Theimmense volumes of data are populated into repositories from various applications. In order to find out desired information and knowledge from large datasets, the data mining techniques are very much helpful. Classification is one of the knowledge discovery techniques. In Classification, Decision trees are very popular in research community due to simplicity and easy comprehensibility. This paper presentsan updated review of recent developments in the field of decision trees.
Study and Analysis of K-Means Clustering Algorithm Using RapidminerIJERA Editor
Institution is a place where teacher explains and student just understands and learns the lesson. Every student has his own definition for toughness and easiness and there isn’t any absolute scale for measuring knowledge but examination score indicate the performance of student. In this case study, knowledge of data mining is combined with educational strategies to improve students’ performance. Generally, data mining (sometimes called data or knowledge discovery) is the process of analysing data from different perspectives and summarizing it into useful information. Data mining software is one of a number of analytical tools for data. It allows users to analyse data from many different dimensions or angles, categorize it, and summarize the relationships identified. Technically, data mining is the process of finding correlations or patterns among dozens of fields in large relational database. Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some sense or another) to each other than to those in other groups (clusters).This project describes the use of clustering data mining technique to improve the efficiency of academic performance in the educational institutions .In this project, a live experiment was conducted on students .By conducting an exam on students of computer science major using MOODLE(LMS) and analysing that data generated using RapidMiner(Datamining Software) and later by performing clustering on the data. This method helps to identify the students who need special advising or counselling by the teacher to give high quality of education.
Maximum Correntropy Based Dictionary Learning Framework for Physical Activity...sherinmm
Due to its symbolic role in ubiquitous health monitoring,
physical activity recognition with wearable body sensors has been in the
limelight in both research and industrial communities. Physical activity
recognition is difficult due to the inherent complexity involved with different
walking styles and human body movements. Thus we present a
correntropy induced dictionary pair learning framework to achieve this
recognition. Our algorithm for this framework jointly learns a synthesis
dictionary and an analysis dictionary in order to simultaneously perform
signal representation and classification once the time-domain features
have been extracted. In particular, the dictionary pair learning algorithm
is developed based on the maximum correntropy criterion, which
is much more insensitive to outliers. In order to develop a more tractable
and practical approach, we employ a combination of alternating direction
method of multipliers and an iteratively reweighted method to approximately
minimize the objective function. We validate the effectiveness of
our proposed model by employing it on an activity recognition problem
and an intensity estimation problem, both of which include a large number
of physical activities from the recently released PAMAP2 dataset.
Experimental results indicate that classifiers built using this correntropy
induced dictionary learning based framework achieve high accuracy by
using simple features, and that this approach gives results competitive
with classical systems built upon features with prior knowledge.
Novel text categorization by amalgamation of augmented k nearest neighbourhoo...ijcsity
Machine learning for text classification is the
underpinning
of document
cataloging
, news filtering,
document
steering
and
exemplif
ication
. In text mining realm, effective feature selection is significant to
make the learning task more accurate and competent. One of the
traditional
lazy
text classifier
k
-
Nearest
Neighborhood (
k
NN) has
a
major pitfall in calculating the similarity between
all
the
objects in training and
testing se
t
s,
there by leads to exaggeration of
both
computational complexity
of the algorithm
and
massive
consumption
of
main memory
. To diminish these shortcomings
in
viewpoint
of a
data
-
mining
practitioner
a
n
amalgamati
ve technique is proposed in this paper using
a novel restructured version of
k
NN called
Augmented
k
NN
(AkNN)
and
k
-
Medoids
(kMdd)
clustering.
The proposed work
comprises
preprocesses
on
the
initial training
set
by
imposing
attribute feature selection
for reduc
tion of high dimensionality, also it
detects and excludes the high
-
fliers
samples
in t
he
initial
training set
and
re
structure
s
a
constricted
training
set
.
The kMdd clustering algorithm generates the cluster centers (as interior objects) for each category
and
restructures
the constricted training set
with centroids
. This technique
is
amalgamated with
AkNN
classifier
that
was prearranged with
text mining similarity measure
s.
Eventually, s
ignifican
tweights
and ranks were
assigned to each object in the new
training set based upon the
ir
accessory towards the
object in testing set
.
Experiments
conducted
on Reuters
-
21578 a
UCI benchmark
text mining
data
set
, and
comparisons with
traditional
k
NN
classifier designates
the
referred
method
yield
spreeminentrecital
in b
oth clustering and
classification
Accounting for variance in machine learning benchmarksDevansh16
Accounting for Variance in Machine Learning Benchmarks
Xavier Bouthillier, Pierre Delaunay, Mirko Bronzi, Assya Trofimov, Brennan Nichyporuk, Justin Szeto, Naz Sepah, Edward Raff, Kanika Madan, Vikram Voleti, Samira Ebrahimi Kahou, Vincent Michalski, Dmitriy Serdyuk, Tal Arbel, Chris Pal, Gaël Varoquaux, Pascal Vincent
Strong empirical evidence that one machine-learning algorithm A outperforms another one B ideally calls for multiple trials optimizing the learning pipeline over sources of variation such as data sampling, data augmentation, parameter initialization, and hyperparameters choices. This is prohibitively expensive, and corners are cut to reach conclusions. We model the whole benchmarking process, revealing that variance due to data sampling, parameter initialization and hyperparameter choice impact markedly the results. We analyze the predominant comparison methods used today in the light of this variance. We show a counter-intuitive result that adding more sources of variation to an imperfect estimator approaches better the ideal estimator at a 51 times reduction in compute cost. Building on these results, we study the error rate of detecting improvements, on five different deep-learning tasks/architectures. This study leads us to propose recommendations for performance comparisons.
When deep learners change their mind learning dynamics for active learningDevansh16
Abstract:
Active learning aims to select samples to be annotated that yield the largest performance improvement for the learning algorithm. Many methods approach this problem by measuring the informativeness of samples and do this based on the certainty of the network predictions for samples. However, it is well-known that neural networks are overly confident about their prediction and are therefore an untrustworthy source to assess sample informativeness. In this paper, we propose a new informativeness-based active learning method. Our measure is derived from the learning dynamics of a neural network. More precisely we track the label assignment of the unlabeled data pool during the training of the algorithm. We capture the learning dynamics with a metric called label-dispersion, which is low when the network consistently assigns the same label to the sample during the training of the network and high when the assigned label changes frequently. We show that label-dispersion is a promising predictor of the uncertainty of the network, and show on two benchmark datasets that an active learning algorithm based on label-dispersion obtains excellent results.
Incremental learning from unbalanced data with concept class, concept drift a...IJDKP
Recently, stream data mining applications has drawn vital attention from several research communities.
Stream data is continuous form of data which is distinguished by its online nature. Traditionally, machine
learning area has been developing learning algorithms that have certain assumptions on underlying
distribution of data such as data should have predetermined distribution. Such constraints on the problem
domain lead the way for development of smart learning algorithms performance is theoretically verifiable.
Real-word situations are different than this restricted model. Applications usually suffers from problems
such as unbalanced data distribution. Additionally, data picked from non-stationary environments are also
usual in real world applications, resulting in the “concept drift” which is related with data stream
examples. These issues have been separately addressed by the researchers, also, it is observed that joint
problem of class imbalance and concept drift has got relatively little research. If the final objective of
clever machine learning techniques is to be able to address a broad spectrum of real world applications,
then the necessity for a universal framework for learning from and tailoring (adapting) to, environment
where drift in concepts may occur and unbalanced data distribution is present can be hardly exaggerated.
In this paper, we first present an overview of issues that are observed in stream data mining scenarios,
followed by a complete review of recent research in dealing with each of the issue.
A Survey Ondecision Tree Learning Algorithms for Knowledge DiscoveryIJERA Editor
Theimmense volumes of data are populated into repositories from various applications. In order to find out desired information and knowledge from large datasets, the data mining techniques are very much helpful. Classification is one of the knowledge discovery techniques. In Classification, Decision trees are very popular in research community due to simplicity and easy comprehensibility. This paper presentsan updated review of recent developments in the field of decision trees.
Study and Analysis of K-Means Clustering Algorithm Using RapidminerIJERA Editor
Institution is a place where teacher explains and student just understands and learns the lesson. Every student has his own definition for toughness and easiness and there isn’t any absolute scale for measuring knowledge but examination score indicate the performance of student. In this case study, knowledge of data mining is combined with educational strategies to improve students’ performance. Generally, data mining (sometimes called data or knowledge discovery) is the process of analysing data from different perspectives and summarizing it into useful information. Data mining software is one of a number of analytical tools for data. It allows users to analyse data from many different dimensions or angles, categorize it, and summarize the relationships identified. Technically, data mining is the process of finding correlations or patterns among dozens of fields in large relational database. Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some sense or another) to each other than to those in other groups (clusters).This project describes the use of clustering data mining technique to improve the efficiency of academic performance in the educational institutions .In this project, a live experiment was conducted on students .By conducting an exam on students of computer science major using MOODLE(LMS) and analysing that data generated using RapidMiner(Datamining Software) and later by performing clustering on the data. This method helps to identify the students who need special advising or counselling by the teacher to give high quality of education.
Maximum Correntropy Based Dictionary Learning Framework for Physical Activity...sherinmm
Due to its symbolic role in ubiquitous health monitoring,
physical activity recognition with wearable body sensors has been in the
limelight in both research and industrial communities. Physical activity
recognition is difficult due to the inherent complexity involved with different
walking styles and human body movements. Thus we present a
correntropy induced dictionary pair learning framework to achieve this
recognition. Our algorithm for this framework jointly learns a synthesis
dictionary and an analysis dictionary in order to simultaneously perform
signal representation and classification once the time-domain features
have been extracted. In particular, the dictionary pair learning algorithm
is developed based on the maximum correntropy criterion, which
is much more insensitive to outliers. In order to develop a more tractable
and practical approach, we employ a combination of alternating direction
method of multipliers and an iteratively reweighted method to approximately
minimize the objective function. We validate the effectiveness of
our proposed model by employing it on an activity recognition problem
and an intensity estimation problem, both of which include a large number
of physical activities from the recently released PAMAP2 dataset.
Experimental results indicate that classifiers built using this correntropy
induced dictionary learning based framework achieve high accuracy by
using simple features, and that this approach gives results competitive
with classical systems built upon features with prior knowledge.
Novel text categorization by amalgamation of augmented k nearest neighbourhoo...ijcsity
Machine learning for text classification is the
underpinning
of document
cataloging
, news filtering,
document
steering
and
exemplif
ication
. In text mining realm, effective feature selection is significant to
make the learning task more accurate and competent. One of the
traditional
lazy
text classifier
k
-
Nearest
Neighborhood (
k
NN) has
a
major pitfall in calculating the similarity between
all
the
objects in training and
testing se
t
s,
there by leads to exaggeration of
both
computational complexity
of the algorithm
and
massive
consumption
of
main memory
. To diminish these shortcomings
in
viewpoint
of a
data
-
mining
practitioner
a
n
amalgamati
ve technique is proposed in this paper using
a novel restructured version of
k
NN called
Augmented
k
NN
(AkNN)
and
k
-
Medoids
(kMdd)
clustering.
The proposed work
comprises
preprocesses
on
the
initial training
set
by
imposing
attribute feature selection
for reduc
tion of high dimensionality, also it
detects and excludes the high
-
fliers
samples
in t
he
initial
training set
and
re
structure
s
a
constricted
training
set
.
The kMdd clustering algorithm generates the cluster centers (as interior objects) for each category
and
restructures
the constricted training set
with centroids
. This technique
is
amalgamated with
AkNN
classifier
that
was prearranged with
text mining similarity measure
s.
Eventually, s
ignifican
tweights
and ranks were
assigned to each object in the new
training set based upon the
ir
accessory towards the
object in testing set
.
Experiments
conducted
on Reuters
-
21578 a
UCI benchmark
text mining
data
set
, and
comparisons with
traditional
k
NN
classifier designates
the
referred
method
yield
spreeminentrecital
in b
oth clustering and
classification
Accounting for variance in machine learning benchmarksDevansh16
Accounting for Variance in Machine Learning Benchmarks
Xavier Bouthillier, Pierre Delaunay, Mirko Bronzi, Assya Trofimov, Brennan Nichyporuk, Justin Szeto, Naz Sepah, Edward Raff, Kanika Madan, Vikram Voleti, Samira Ebrahimi Kahou, Vincent Michalski, Dmitriy Serdyuk, Tal Arbel, Chris Pal, Gaël Varoquaux, Pascal Vincent
Strong empirical evidence that one machine-learning algorithm A outperforms another one B ideally calls for multiple trials optimizing the learning pipeline over sources of variation such as data sampling, data augmentation, parameter initialization, and hyperparameters choices. This is prohibitively expensive, and corners are cut to reach conclusions. We model the whole benchmarking process, revealing that variance due to data sampling, parameter initialization and hyperparameter choice impact markedly the results. We analyze the predominant comparison methods used today in the light of this variance. We show a counter-intuitive result that adding more sources of variation to an imperfect estimator approaches better the ideal estimator at a 51 times reduction in compute cost. Building on these results, we study the error rate of detecting improvements, on five different deep-learning tasks/architectures. This study leads us to propose recommendations for performance comparisons.
When deep learners change their mind learning dynamics for active learningDevansh16
Abstract:
Active learning aims to select samples to be annotated that yield the largest performance improvement for the learning algorithm. Many methods approach this problem by measuring the informativeness of samples and do this based on the certainty of the network predictions for samples. However, it is well-known that neural networks are overly confident about their prediction and are therefore an untrustworthy source to assess sample informativeness. In this paper, we propose a new informativeness-based active learning method. Our measure is derived from the learning dynamics of a neural network. More precisely we track the label assignment of the unlabeled data pool during the training of the algorithm. We capture the learning dynamics with a metric called label-dispersion, which is low when the network consistently assigns the same label to the sample during the training of the network and high when the assigned label changes frequently. We show that label-dispersion is a promising predictor of the uncertainty of the network, and show on two benchmark datasets that an active learning algorithm based on label-dispersion obtains excellent results.
A survey of modified support vector machine using particle of swarm optimizat...Editor Jacotech
The main objective of this survey paper is to provide a detailed description of Wireless Sensor Networks with Medium Access Control layer and Routing layer. In the medium access control layer, Event Driven Time Division Multiple Access protocol is studied and in Network layer, two routing protocols Bellman-Ford and Dynamic Source Routing are studied.
Paper Annotated: SinGAN-Seg: Synthetic Training Data Generation for Medical I...Devansh16
YouTube video: https://www.youtube.com/watch?v=Ao-19L0sLOI
SinGAN-Seg: Synthetic Training Data Generation for Medical Image Segmentation
Vajira Thambawita, Pegah Salehi, Sajad Amouei Sheshkal, Steven A. Hicks, Hugo L.Hammer, Sravanthi Parasa, Thomas de Lange, Pål Halvorsen, Michael A. Riegler
Processing medical data to find abnormalities is a time-consuming and costly task, requiring tremendous efforts from medical experts. Therefore, Ai has become a popular tool for the automatic processing of medical data, acting as a supportive tool for doctors. AI tools highly depend on data for training the models. However, there are several constraints to access to large amounts of medical data to train machine learning algorithms in the medical domain, e.g., due to privacy concerns and the costly, time-consuming medical data annotation process. To address this, in this paper we present a novel synthetic data generation pipeline called SinGAN-Seg to produce synthetic medical data with the corresponding annotated ground truth masks. We show that these synthetic data generation pipelines can be used as an alternative to bypass privacy concerns and as an alternative way to produce artificial segmentation datasets with corresponding ground truth masks to avoid the tedious medical data annotation process. As a proof of concept, we used an open polyp segmentation dataset. By training UNet++ using both the real polyp segmentation dataset and the corresponding synthetic dataset generated from the SinGAN-Seg pipeline, we show that the synthetic data can achieve a very close performance to the real data when the real segmentation datasets are large enough. In addition, we show that synthetic data generated from the SinGAN-Seg pipeline improving the performance of segmentation algorithms when the training dataset is very small. Since our SinGAN-Seg pipeline is applicable for any medical dataset, this pipeline can be used with any other segmentation datasets.
Subjects: Image and Video Processing (eess.IV); Computer Vision and Pattern Recognition (cs.CV); Machine Learning (cs.LG)
Cite as: arXiv:2107.00471 [eess.IV]
(or arXiv:2107.00471v1 [eess.IV] for this version)
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Multilevel techniques for the clustering problemcsandit
Data Mining is concerned with the discovery of interesting patterns and knowledge in data
repositories. Cluster Analysis which belongs to the core methods of data mining is the process
of discovering homogeneous groups called clusters. Given a data-set and some measure of
similarity between data objects, the goal in most clustering algorithms is maximizing both the
homogeneity within each cluster and the heterogeneity between different clusters. In this work,
two multilevel algorithms for the clustering problem are introduced. The multilevel
paradigm suggests looking at the clustering problem as a hierarchical optimization process
going through different levels evolving from a coarse grain to fine grain strategy. The clustering
problem is solved by first reducing the problem level by level to a coarser problem where an
initial clustering is computed. The clustering of the coarser problem is mapped back level-bylevel
to obtain a better clustering of the original problem by refining the intermediate different
clustering obtained at various levels. A benchmark using a number of data sets collected from a
variety of domains is used to compare the effectiveness of the hierarchical approach against its
single-level counterpart.
An Automatic Medical Image Segmentation using Teaching Learning Based Optimiz...idescitation
Nature inspired population based evolutionary algorithms are very popular with
their competitive solutions for a wide variety of applications. Teaching Learning based
Optimization (TLBO) is a very recent population based evolutionary algorithm evolved
on the basis of Teaching Learning process of a class room. TLBO does not require any
algorithmic specific parameters. This paper proposes an automatic grouping of pixels into
different homogeneous regions using the TLBO. The experimental results have
demonstrated the effectiveness of TLBO in image segmentation.
A Novel Approach to Mathematical Concepts in Data Miningijdmtaiir
-This paper describes three different fundamental
mathematical programming approaches that are relevant to
data mining. They are: Feature Selection, Clustering and
Robust Representation. This paper comprises of two clustering
algorithms such as K-mean algorithm and K-median
algorithms. Clustering is illustrated by the unsupervised
learning of patterns and clusters that may exist in a given
databases and useful tool for Knowledge Discovery in
Database (KDD). The results of k-median algorithm are used
to collecting the blood cancer patient from a medical database.
K-mean clustering is a data mining/machine learning algorithm
used to cluster observations into groups of related observations
without any prior knowledge of those relationships. The kmean algorithm is one of the simplest clustering techniques
and it is commonly used in medical imaging, biometrics and
related fields.
A new model for iris data set classification based on linear support vector m...IJECEIAES
Data mining is known as the process of detection concerning patterns from essential amounts of data. As a process of knowledge discovery. Classification is a data analysis that extracts a model which describes an important data classes. One of the outstanding classifications methods in data mining is support vector machine classification (SVM). It is capable of envisaging results and mostly effective than other classification methods. The SVM is a one technique of machine learning techniques that is well known technique, learning with supervised and have been applied perfectly to a vary problems of: regression, classification, and clustering in diverse domains such as gene expression, web text mining. In this study, we proposed a newly mode for classifying iris data set using SVM classifier and genetic algorithm to optimize c and gamma parameters of linear SVM, in addition principle components analysis (PCA) algorithm was use for features reduction.
Data mining is utilized to manage huge measure of information which are put in the data ware houses and databases, to discover required information and data. Numerous data mining systems have been proposed, for example, association rules, decision trees, neural systems, clustering, and so on. It has turned into the purpose of consideration from numerous years. A re-known amongst the available data mining strategies is clustering of the dataset. It is the most effective data mining method. It groups the dataset in number of clusters based on certain guidelines that are predefined. It is dependable to discover the connection between the distinctive characteristics of data.
In k-mean clustering algorithm, the function is being selected on the basis of the relevancy of the function for predicting the data and also the Euclidian distance between the centroid of any cluster and the data objects outside the cluster is being computed for the clustering the data points. In this work, author enhanced the Euclidian distance formula to increase the cluster quality.
The problem of accuracy and redundancy of the dissimilar points in the clusters remains in the improved k-means for which new enhanced approach is been proposed which uses the similarity function for checking the similarity level of the point before including it to the cluster.
Fuzzy clustering has been widely studied and applied in a variety of key areas of science and
engineering. In this paper the Improved Teaching Learning Based Optimization (ITLBO)
algorithm is used for data clustering, in which the objects in the same cluster are similar. This
algorithm has been tested on several datasets and compared with some other popular algorithm
in clustering. Results have been shown that the proposed method improves the output of
clustering and can be efficiently used for fuzzy clustering.
A preliminary survey on optimized multiobjective metaheuristic methods for da...ijcsit
The present survey provides the state-of-the-art of research, copiously devoted to Evolutionary Approach
(EAs) for clustering exemplified with a diversity of evolutionary computations. The Survey provides a
nomenclature that highlights some aspects that are very important in the context of evolutionary data
clustering. The paper missions the clustering trade-offs branched out with wide-ranging Multi Objective
Evolutionary Approaches (MOEAs) methods. Finally, this study addresses the potential challenges of
MOEA design and data clustering, along with conclusions and recommendations for novice and
researchers by positioning most promising paths of future research.
ANALYSIS AND COMPARISON STUDY OF DATA MINING ALGORITHMS USING RAPIDMINERIJCSEA Journal
Comparison study of algorithms is very much required before implementing them for the needs of any
organization. The comparisons of algorithms are depending on the various parameters such as data
frequency, types of data and relationship among the attributes in a given data set. There are number of
learning and classifications algorithms are used to analyse, learn patterns and categorize data are
available. But the problem is the one to find the best algorithm according to the problem and desired
output. The desired result has always been higher accuracy in predicting future values or events from the
given dataset. Algorithms taken for the comparisons study are Neural net, SVM, Naïve Bayes, BFT and
Decision stump. These top algorithms are most influential data mining algorithms in the research
community. These algorithms have been considered and mostly used in the field of knowledge discovery
and data mining.
Efficient classification of big data using vfdt (very fast decision tree)eSAT Journals
Abstract
Decision Tree learning algorithms have been able to capture knowledge successfully. Decision Trees are best considered when
instances are described by attribute-value pairs and when the target function has a discrete value. The main task of these
decision trees is to use inductive methods to the given values of attributes of an unknown object and determine an
appropriate classification by applying decision tree rules. Decision Trees are very effective forms to evaluate the performance
and represent the algorithms because of their robustness, simplicity, capability of handling numerical and categorical data,
ability to work with large datasets and comprehensibility to a name a few. There are various decision tree algorithms available
like ID3, CART, C4.5, VFDT, QUEST, CTREE, GUIDE, CHAID, CRUISE, etc. In this paper a comparative study on three of
these popular decision tree algorithms - (Iterative Dichotomizer 3), C4.5 which is an evolution of ID3 and VFDT (Very
Fast Decision Tree has been made. An empirical study has been conducted to compare C4.5 and VFDT in terms of accuracy
and execution time and various conclusions have been drawn.
Key Words: Decision tree, ID3, C4.5, VFDT, Information Gain, Gain Ratio, Gini Index, Over−fitting.
Robust Breast Cancer Diagnosis on Four Different Datasets Using Multi-Classif...ahmad abdelhafeez
Abstract- The goal of this paper is to compare between different classifiers or multi-classifiers fusion with respect to accuracy in discovering breast cancer for four different data sets. We present an implementation among various classification techniques which represent the most known algorithms in this field on four different datasets of breast cancer two for diagnosis and two for prognosis. We present a fusion between classifiers to get the best multi-classifier fusion approach to each data set individually. By using confusion matrix to get classification accuracy which built in 10-fold cross validation technique. Also, using fusion majority voting (the mode of the classifier output). The experimental results show that no classification technique is better than the other if used for all datasets, since the classification task is affected by the type of dataset. By using multi-classifiers fusion the results show that accuracy improved in three datasets out of four.
EXPERT OPINION AND COHERENCE BASED TOPIC MODELINGijnlc
In this paper, we propose a novel algorithm that rearrange the topic assignment results obtained from topic
modeling algorithms, including NMF and LDA. The effectiveness of the algorithm is measured by how much
the results conform to expert opinion, which is a data structure called TDAG that we defined to represent the
probability that a pair of highly correlated words appear together. In order to make sure that the internal
structure does not get changed too much from the rearrangement, coherence, which is a well known metric
for measuring the effectiveness of topic modeling, is used to control the balance of the internal structure.
We developed two ways to systematically obtain the expert opinion from data, depending on whether the
data has relevant expert writing or not. The final algorithm which takes into account both coherence and
expert opinion is presented. Finally we compare amount of adjustments needed to be done for each topic
modeling method, NMF and LDA.
USING ONTOLOGIES TO IMPROVE DOCUMENT CLASSIFICATION WITH TRANSDUCTIVE SUPPORT...IJDKP
Many applications of automatic document classification require learning accurately with little training
data. The semi-supervised classification technique uses labeled and unlabeled data for training. This
technique has shown to be effective in some cases; however, the use of unlabeled data is not always
beneficial.
On the other hand, the emergence of web technologies has originated the collaborative development of
ontologies. In this paper, we propose the use of ontologies in order to improve the accuracy and efficiency
of the semi-supervised document classification.
We used support vector machines, which is one of the most effective algorithms that have been studied for
text. Our algorithm enhances the performance of transductive support vector machines through the use of
ontologies. We report experimental results applying our algorithm to three different datasets. Our
experiments show an increment of accuracy of 4% on average and up to 20%, in comparison with the
traditional semi-supervised model.
CONCATENATED DECISION PATHS CLASSIFICATION FOR TIME SERIES SHAPELETSijcisjournal
Time-series classification is widely used approach for classification. Recent development known as timeseries shapelets, based on local patterns from the time-series, shows potential as highly predictive and accurate method for data mining. On the other hand, the slow training time remains an acute problem of this method. In recent years there was a significant improvement of training time performance, reducing the training time in several orders of magnitude. Reducing the training time degrade the accuracy in general. This work applies combined classifiers to achieve high accuracies, maintaining low training times- in the range from several second to several minutes- for datasets from the popular UCR database. The goal is achieved by training small 2,3-nodes decision trees and combining their decisions in pattern that uniquely identifies incoming time-series.
A survey of modified support vector machine using particle of swarm optimizat...Editor Jacotech
The main objective of this survey paper is to provide a detailed description of Wireless Sensor Networks with Medium Access Control layer and Routing layer. In the medium access control layer, Event Driven Time Division Multiple Access protocol is studied and in Network layer, two routing protocols Bellman-Ford and Dynamic Source Routing are studied.
Paper Annotated: SinGAN-Seg: Synthetic Training Data Generation for Medical I...Devansh16
YouTube video: https://www.youtube.com/watch?v=Ao-19L0sLOI
SinGAN-Seg: Synthetic Training Data Generation for Medical Image Segmentation
Vajira Thambawita, Pegah Salehi, Sajad Amouei Sheshkal, Steven A. Hicks, Hugo L.Hammer, Sravanthi Parasa, Thomas de Lange, Pål Halvorsen, Michael A. Riegler
Processing medical data to find abnormalities is a time-consuming and costly task, requiring tremendous efforts from medical experts. Therefore, Ai has become a popular tool for the automatic processing of medical data, acting as a supportive tool for doctors. AI tools highly depend on data for training the models. However, there are several constraints to access to large amounts of medical data to train machine learning algorithms in the medical domain, e.g., due to privacy concerns and the costly, time-consuming medical data annotation process. To address this, in this paper we present a novel synthetic data generation pipeline called SinGAN-Seg to produce synthetic medical data with the corresponding annotated ground truth masks. We show that these synthetic data generation pipelines can be used as an alternative to bypass privacy concerns and as an alternative way to produce artificial segmentation datasets with corresponding ground truth masks to avoid the tedious medical data annotation process. As a proof of concept, we used an open polyp segmentation dataset. By training UNet++ using both the real polyp segmentation dataset and the corresponding synthetic dataset generated from the SinGAN-Seg pipeline, we show that the synthetic data can achieve a very close performance to the real data when the real segmentation datasets are large enough. In addition, we show that synthetic data generated from the SinGAN-Seg pipeline improving the performance of segmentation algorithms when the training dataset is very small. Since our SinGAN-Seg pipeline is applicable for any medical dataset, this pipeline can be used with any other segmentation datasets.
Subjects: Image and Video Processing (eess.IV); Computer Vision and Pattern Recognition (cs.CV); Machine Learning (cs.LG)
Cite as: arXiv:2107.00471 [eess.IV]
(or arXiv:2107.00471v1 [eess.IV] for this version)
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Multilevel techniques for the clustering problemcsandit
Data Mining is concerned with the discovery of interesting patterns and knowledge in data
repositories. Cluster Analysis which belongs to the core methods of data mining is the process
of discovering homogeneous groups called clusters. Given a data-set and some measure of
similarity between data objects, the goal in most clustering algorithms is maximizing both the
homogeneity within each cluster and the heterogeneity between different clusters. In this work,
two multilevel algorithms for the clustering problem are introduced. The multilevel
paradigm suggests looking at the clustering problem as a hierarchical optimization process
going through different levels evolving from a coarse grain to fine grain strategy. The clustering
problem is solved by first reducing the problem level by level to a coarser problem where an
initial clustering is computed. The clustering of the coarser problem is mapped back level-bylevel
to obtain a better clustering of the original problem by refining the intermediate different
clustering obtained at various levels. A benchmark using a number of data sets collected from a
variety of domains is used to compare the effectiveness of the hierarchical approach against its
single-level counterpart.
An Automatic Medical Image Segmentation using Teaching Learning Based Optimiz...idescitation
Nature inspired population based evolutionary algorithms are very popular with
their competitive solutions for a wide variety of applications. Teaching Learning based
Optimization (TLBO) is a very recent population based evolutionary algorithm evolved
on the basis of Teaching Learning process of a class room. TLBO does not require any
algorithmic specific parameters. This paper proposes an automatic grouping of pixels into
different homogeneous regions using the TLBO. The experimental results have
demonstrated the effectiveness of TLBO in image segmentation.
A Novel Approach to Mathematical Concepts in Data Miningijdmtaiir
-This paper describes three different fundamental
mathematical programming approaches that are relevant to
data mining. They are: Feature Selection, Clustering and
Robust Representation. This paper comprises of two clustering
algorithms such as K-mean algorithm and K-median
algorithms. Clustering is illustrated by the unsupervised
learning of patterns and clusters that may exist in a given
databases and useful tool for Knowledge Discovery in
Database (KDD). The results of k-median algorithm are used
to collecting the blood cancer patient from a medical database.
K-mean clustering is a data mining/machine learning algorithm
used to cluster observations into groups of related observations
without any prior knowledge of those relationships. The kmean algorithm is one of the simplest clustering techniques
and it is commonly used in medical imaging, biometrics and
related fields.
A new model for iris data set classification based on linear support vector m...IJECEIAES
Data mining is known as the process of detection concerning patterns from essential amounts of data. As a process of knowledge discovery. Classification is a data analysis that extracts a model which describes an important data classes. One of the outstanding classifications methods in data mining is support vector machine classification (SVM). It is capable of envisaging results and mostly effective than other classification methods. The SVM is a one technique of machine learning techniques that is well known technique, learning with supervised and have been applied perfectly to a vary problems of: regression, classification, and clustering in diverse domains such as gene expression, web text mining. In this study, we proposed a newly mode for classifying iris data set using SVM classifier and genetic algorithm to optimize c and gamma parameters of linear SVM, in addition principle components analysis (PCA) algorithm was use for features reduction.
Data mining is utilized to manage huge measure of information which are put in the data ware houses and databases, to discover required information and data. Numerous data mining systems have been proposed, for example, association rules, decision trees, neural systems, clustering, and so on. It has turned into the purpose of consideration from numerous years. A re-known amongst the available data mining strategies is clustering of the dataset. It is the most effective data mining method. It groups the dataset in number of clusters based on certain guidelines that are predefined. It is dependable to discover the connection between the distinctive characteristics of data.
In k-mean clustering algorithm, the function is being selected on the basis of the relevancy of the function for predicting the data and also the Euclidian distance between the centroid of any cluster and the data objects outside the cluster is being computed for the clustering the data points. In this work, author enhanced the Euclidian distance formula to increase the cluster quality.
The problem of accuracy and redundancy of the dissimilar points in the clusters remains in the improved k-means for which new enhanced approach is been proposed which uses the similarity function for checking the similarity level of the point before including it to the cluster.
Fuzzy clustering has been widely studied and applied in a variety of key areas of science and
engineering. In this paper the Improved Teaching Learning Based Optimization (ITLBO)
algorithm is used for data clustering, in which the objects in the same cluster are similar. This
algorithm has been tested on several datasets and compared with some other popular algorithm
in clustering. Results have been shown that the proposed method improves the output of
clustering and can be efficiently used for fuzzy clustering.
A preliminary survey on optimized multiobjective metaheuristic methods for da...ijcsit
The present survey provides the state-of-the-art of research, copiously devoted to Evolutionary Approach
(EAs) for clustering exemplified with a diversity of evolutionary computations. The Survey provides a
nomenclature that highlights some aspects that are very important in the context of evolutionary data
clustering. The paper missions the clustering trade-offs branched out with wide-ranging Multi Objective
Evolutionary Approaches (MOEAs) methods. Finally, this study addresses the potential challenges of
MOEA design and data clustering, along with conclusions and recommendations for novice and
researchers by positioning most promising paths of future research.
ANALYSIS AND COMPARISON STUDY OF DATA MINING ALGORITHMS USING RAPIDMINERIJCSEA Journal
Comparison study of algorithms is very much required before implementing them for the needs of any
organization. The comparisons of algorithms are depending on the various parameters such as data
frequency, types of data and relationship among the attributes in a given data set. There are number of
learning and classifications algorithms are used to analyse, learn patterns and categorize data are
available. But the problem is the one to find the best algorithm according to the problem and desired
output. The desired result has always been higher accuracy in predicting future values or events from the
given dataset. Algorithms taken for the comparisons study are Neural net, SVM, Naïve Bayes, BFT and
Decision stump. These top algorithms are most influential data mining algorithms in the research
community. These algorithms have been considered and mostly used in the field of knowledge discovery
and data mining.
Efficient classification of big data using vfdt (very fast decision tree)eSAT Journals
Abstract
Decision Tree learning algorithms have been able to capture knowledge successfully. Decision Trees are best considered when
instances are described by attribute-value pairs and when the target function has a discrete value. The main task of these
decision trees is to use inductive methods to the given values of attributes of an unknown object and determine an
appropriate classification by applying decision tree rules. Decision Trees are very effective forms to evaluate the performance
and represent the algorithms because of their robustness, simplicity, capability of handling numerical and categorical data,
ability to work with large datasets and comprehensibility to a name a few. There are various decision tree algorithms available
like ID3, CART, C4.5, VFDT, QUEST, CTREE, GUIDE, CHAID, CRUISE, etc. In this paper a comparative study on three of
these popular decision tree algorithms - (Iterative Dichotomizer 3), C4.5 which is an evolution of ID3 and VFDT (Very
Fast Decision Tree has been made. An empirical study has been conducted to compare C4.5 and VFDT in terms of accuracy
and execution time and various conclusions have been drawn.
Key Words: Decision tree, ID3, C4.5, VFDT, Information Gain, Gain Ratio, Gini Index, Over−fitting.
Robust Breast Cancer Diagnosis on Four Different Datasets Using Multi-Classif...ahmad abdelhafeez
Abstract- The goal of this paper is to compare between different classifiers or multi-classifiers fusion with respect to accuracy in discovering breast cancer for four different data sets. We present an implementation among various classification techniques which represent the most known algorithms in this field on four different datasets of breast cancer two for diagnosis and two for prognosis. We present a fusion between classifiers to get the best multi-classifier fusion approach to each data set individually. By using confusion matrix to get classification accuracy which built in 10-fold cross validation technique. Also, using fusion majority voting (the mode of the classifier output). The experimental results show that no classification technique is better than the other if used for all datasets, since the classification task is affected by the type of dataset. By using multi-classifiers fusion the results show that accuracy improved in three datasets out of four.
EXPERT OPINION AND COHERENCE BASED TOPIC MODELINGijnlc
In this paper, we propose a novel algorithm that rearrange the topic assignment results obtained from topic
modeling algorithms, including NMF and LDA. The effectiveness of the algorithm is measured by how much
the results conform to expert opinion, which is a data structure called TDAG that we defined to represent the
probability that a pair of highly correlated words appear together. In order to make sure that the internal
structure does not get changed too much from the rearrangement, coherence, which is a well known metric
for measuring the effectiveness of topic modeling, is used to control the balance of the internal structure.
We developed two ways to systematically obtain the expert opinion from data, depending on whether the
data has relevant expert writing or not. The final algorithm which takes into account both coherence and
expert opinion is presented. Finally we compare amount of adjustments needed to be done for each topic
modeling method, NMF and LDA.
USING ONTOLOGIES TO IMPROVE DOCUMENT CLASSIFICATION WITH TRANSDUCTIVE SUPPORT...IJDKP
Many applications of automatic document classification require learning accurately with little training
data. The semi-supervised classification technique uses labeled and unlabeled data for training. This
technique has shown to be effective in some cases; however, the use of unlabeled data is not always
beneficial.
On the other hand, the emergence of web technologies has originated the collaborative development of
ontologies. In this paper, we propose the use of ontologies in order to improve the accuracy and efficiency
of the semi-supervised document classification.
We used support vector machines, which is one of the most effective algorithms that have been studied for
text. Our algorithm enhances the performance of transductive support vector machines through the use of
ontologies. We report experimental results applying our algorithm to three different datasets. Our
experiments show an increment of accuracy of 4% on average and up to 20%, in comparison with the
traditional semi-supervised model.
CONCATENATED DECISION PATHS CLASSIFICATION FOR TIME SERIES SHAPELETSijcisjournal
Time-series classification is widely used approach for classification. Recent development known as timeseries shapelets, based on local patterns from the time-series, shows potential as highly predictive and accurate method for data mining. On the other hand, the slow training time remains an acute problem of this method. In recent years there was a significant improvement of training time performance, reducing the training time in several orders of magnitude. Reducing the training time degrade the accuracy in general. This work applies combined classifiers to achieve high accuracies, maintaining low training times- in the range from several second to several minutes- for datasets from the popular UCR database. The goal is achieved by training small 2,3-nodes decision trees and combining their decisions in pattern that uniquely identifies incoming time-series.
Concatenated decision paths classification for time series shapeletsijics
Time-series classification is widely used approach for classification. Recent development known as timeseries
shapelets, based on local patterns from the time-series, shows potential as highly predictive and
accurate method for data mining. On the other hand, the slow training time remains an acute problem of
this method. In recent years there was a significant improvement of training time performance, reducing
the training time in several orders of magnitude. Reducing the training time degrade the accuracy in
general. This work applies combined classifiers to achieve high accuracies, maintaining low training
times- in the range from several second to several minutes- for datasets from the popular UCR database.
The goal is achieved by training small 2,3-nodes decision trees and combining their decisions in pattern
that uniquely identifies incoming time-series.
A New Active Learning Technique Using Furthest Nearest Neighbour Criterion fo...ijcsa
Active learning is a supervised learning method that is based on the idea that a machine learning algorithm can achieve greater accuracy with fewer labelled training images if it is allowed to choose the image from which it learns. Facial age classification is a technique to classify face images into one of the several predefined age groups. The proposed study applies an active learning approach to facial age classification which allows a classifier to select the data from which it learns. The classifier is initially trained using a small pool of labeled training images. This is achieved by using the bilateral two dimension linear discriminant analysis. Then the most informative unlabeled image is found out from the unlabeled pool using the furthest nearest neighbor criterion, labeled by the user and added to the
appropriate class in the training set. The incremental learning is performed using an incremental version of bilateral two dimension linear discriminant analysis. This active learning paradigm is proposed to be applied to the k nearest neighbor classifier and the support vector machine classifier and to compare the performance of these two classifiers.
International Journal of Engineering Research and Development (IJERD)IJERD Editor
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
COMBINED CLASSIFIERS FOR TIME SERIES SHAPELETScscpconf
Time-series classification is widely used approach for classification. Recent development known as time-series shapelets, based on local patterns from the time-series, shows potential as highly predictive and accurate method for data mining. On the other hand, the slow training time remains an acute problem of this method. In recent years there was a significant improvement of training time performance, reducing the training time in several orders of magnitude. This work tries to maintain low training time- in the range from several second to several minutes for datasets from the popular UCR database, achieving accuracies up to 20% higher than the fastest known up to date method. The goal is achieved by training small 2,3-nodes decision trees and combining their decisions in pattern that uniquely identifies incoming time-series.
COMBINED CLASSIFIERS FOR TIME SERIES SHAPELETScsandit
Time-series classification is widely used approach for classification. Recent development known as time-series shapelets, based on local patterns from the time-series, shows potential as highly predictive and accurate method for data mining. On the other hand, the slow training time
remains an acute problem of this method. In recent years there was a significant improvement of training time performance, reducing the training time in several orders of magnitude. This work tries to maintain low training time- in the range from several second to several minutes for
datasets from the popular UCR database, achieving accuracies up to 20% higher than the fastest known up to date method. The goal is achieved by training small 2,3-nodes decision trees and combining their decisions in pattern that uniquely identifies incoming time-series
Comparative Analysis: Effective Information Retrieval Using Different Learnin...RSIS International
Information Retrieval is the activity of searching meaningful information from a collection of information resources such as Documents, relational databases and the World Wide Web. Information retrieval system mainly consists of two phases, storing indexed documents and retrieval of relevant result. Retrieving information effectively from huge data storage, it requires Machine Learning for computer systems. Machine learning has objective to instruct computers to use data or past experience to solve a given problem. Machine learning has number of applications, including classifier to be trained on email messages to learn in order to distinguish between spam and non-spam messages, systems that analyze past sales data to predict customer buying behavior, fraud detection etc. Machine learning can be applied as association analysis through supervised learning, unsupervised learning and Reinforcement Learning. The goal of these three learning is to provide an effective way of information retrieval from data warehouse to avoid problems such as ambiguity. This study will compare the effectiveness and impuissance of these learning approaches.
In a world of data explosion, the rate of data generation and consumption is on the increasing side,
there comes the buzzword - Big Data.
Big Data is the concept of fast-moving, large-volume data in varying dimensions (sources) and
highly unpredicted sources.
The 4Vs of Big Data
● Volume - Scale of Data
● Velocity - Analysis of Streaming Data
● Variety - Different forms of Data
● Veracity - Uncertainty of Data
With increasing data availability, the new trend in the industry demands not just data collection but making an ample sense of acquired data - thereby, the concept of Data Analytics.
Taking it a step further to further make futuristic prediction and realistic inferences - the concept
of Machine Learning.
A blend of both gives a robust analysis of data for the past, now and the future.
There is a thin line between data analytics and Machine learning which becomes very obvious
when you dig deep.
Document Classification Using Expectation Maximization with Semi Supervised L...ijsc
As the amount of online document increases, the demand for document classification to aid the analysis and management of document is increasing. Text is cheap, but information, in the form of knowing what classes a document belongs to, is expensive. The main purpose of this paper is to explain the expectation maximization technique of data mining to classify the document and to learn how to improve the accuracy while using semi-supervised approach. Expectation maximization algorithm is applied with both supervised and semi-supervised approach. It is found that semi-supervised approach is more accurate and effective. The main advantage of semi supervised approach is “DYNAMICALLY GENERATION OF NEW CLASS”. The algorithm first trains a classifier using the labeled document and probabilistically classifies the
unlabeled documents. The car dataset for the evaluation purpose is collected from UCI repository dataset in which some changes have been done from our side.
Document Classification Using Expectation Maximization with Semi Supervised L...ijsc
As the amount of online document increases, the demand for document classification to aid the analysis and management of document is increasing. Text is cheap, but information, in the form of knowing what classes a document belongs to, is expensive. The main purpose of this paper is to explain the expectation maximization technique of data mining to classify the document and to learn how to improve the accuracy while using semi-supervised approach. Expectation maximization algorithm is applied with both supervised and semi-supervised approach. It is found that semi-supervised approach is more accurate and effective. The main advantage of semi supervised approach is “DYNAMICALLY GENERATION OF NEW CLASS”. The algorithm first trains a classifier using the labeled document and probabilistically classifies the unlabeled documents. The car dataset for the evaluation purpose is collected from UCI repository dataset in which some changes have been done from our side.
International Journal of Engineering Research and Development (IJERD)IJERD Editor
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
This paper presents a review & performs a comparative evaluation of few known machine learning
algorithms in terms of their suitability & code performance on any given data set of any size. In this paper,
we describe our Machine Learning ToolBox that we have built using python programming language. The
algorithms used in the toolbox consists of supervised classification algorithms such as Naïve Bayes,
Decision Trees, SVM, K-nearest Neighbors and Neural Network (Backpropagation). The algorithms are
tested on iris and diabetes dataset and are compared on the basis of their accuracy under different
conditions. However using our tool one can apply any of the implemented ML algorithms on any dataset of
any size. The main goal of building a toolbox is to provide users with a platform to test their datasets on
different Machine Learning algorithms and use the accuracy results to determine which algorithms fits the
data best. The toolbox allows the user to choose a dataset of his/her choice either in structured or
unstructured form and then can choose the features he/she wants to use for training the machine We have
given our concluding remarks on the performance of implemented algorithms based on experimental
analysis
In a world of data explosion, the rate of data generation and consumption is on the increasing side, there comes the buzzword - Big Data.
Big Data is the concept of fast-moving, large-volume data in varying dimensions (sources) and
highly unpredicted sources.
The 4Vs of Big Data
● Volume - Scale of Data
● Velocity - Analysis of Streaming Data
● Variety - Different forms of Data
● Veracity - Uncertainty of Data
With increasing data availability, the new trend in the industry demands not just data collection,
but making ample sense of acquired data - thereby, the concept of Data Analytics.
Taking it a step further to further make a futuristic prediction and realistic inferences - the concept
of Machine Learning.
A blend of both gives a robust analysis of data for the past, now and the future.
There is a thin line between data analytics and Machine learning which becomes very obvious
when you dig deep.
This slide gives brief overview of supervised, unsupervised and reinforcement learning. Algorithms discussed are Naive Bayes, K nearest neighbour, SVM,decision tree, Markov model.
Difference between regression and classification. difference between supervised and reinforcement, iterative functioning of Markov model and machine learning applications.
Novel Ensemble Tree for Fast Prediction on Data StreamsIJERA Editor
Data Streams are sequential set of data records. When data appears at highest speed and constantly, so predicting
the class accordingly to the time is very essential. Currently Ensemble modeling techniques are growing
speedily in Classification of Data Stream. Ensemble learning will be accepted since its benefit to manage huge
amount of data stream, means it will manage the data in a large size and also it will be able to manage concept
drifting. Prior learning, mostly focused on accuracy of ensemble model, prediction efficiency has not considered
much since existing ensemble model predicts in linear time, which is enough for small applications and
accessible models workings on integrating some of the classifier. Although real time application has huge
amount of data stream so we required base classifier to recognize dissimilar model and make a high grade
ensemble model. To fix these challenges we developed Ensemble tree which is height balanced tree indexing
structure of base classifier for quick prediction on data streams by ensemble modeling techniques. Ensemble
Tree manages ensembles as geodatabases and it utilizes R tree similar to structure to achieve sub linear time
complexity
Similar to METHODS FOR INCREMENTAL LEARNING: A SURVEY (20)
In the rapidly evolving landscape of technologies, XML continues to play a vital role in structuring, storing, and transporting data across diverse systems. The recent advancements in artificial intelligence (AI) present new methodologies for enhancing XML development workflows, introducing efficiency, automation, and intelligent capabilities. This presentation will outline the scope and perspective of utilizing AI in XML development. The potential benefits and the possible pitfalls will be highlighted, providing a balanced view of the subject.
We will explore the capabilities of AI in understanding XML markup languages and autonomously creating structured XML content. Additionally, we will examine the capacity of AI to enrich plain text with appropriate XML markup. Practical examples and methodological guidelines will be provided to elucidate how AI can be effectively prompted to interpret and generate accurate XML markup.
Further emphasis will be placed on the role of AI in developing XSLT, or schemas such as XSD and Schematron. We will address the techniques and strategies adopted to create prompts for generating code, explaining code, or refactoring the code, and the results achieved.
The discussion will extend to how AI can be used to transform XML content. In particular, the focus will be on the use of AI XPath extension functions in XSLT, Schematron, Schematron Quick Fixes, or for XML content refactoring.
The presentation aims to deliver a comprehensive overview of AI usage in XML development, providing attendees with the necessary knowledge to make informed decisions. Whether you’re at the early stages of adopting AI or considering integrating it in advanced XML development, this presentation will cover all levels of expertise.
By highlighting the potential advantages and challenges of integrating AI with XML development tools and languages, the presentation seeks to inspire thoughtful conversation around the future of XML development. We’ll not only delve into the technical aspects of AI-powered XML development but also discuss practical implications and possible future directions.
Maruthi Prithivirajan, Head of ASEAN & IN Solution Architecture, Neo4j
Get an inside look at the latest Neo4j innovations that enable relationship-driven intelligence at scale. Learn more about the newest cloud integrations and product enhancements that make Neo4j an essential choice for developers building apps with interconnected data and generative AI.
Generative AI Deep Dive: Advancing from Proof of Concept to ProductionAggregage
Join Maher Hanafi, VP of Engineering at Betterworks, in this new session where he'll share a practical framework to transform Gen AI prototypes into impactful products! He'll delve into the complexities of data collection and management, model selection and optimization, and ensuring security, scalability, and responsible use.
UiPath Test Automation using UiPath Test Suite series, part 6DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 6. In this session, we will cover Test Automation with generative AI and Open AI.
UiPath Test Automation with generative AI and Open AI webinar offers an in-depth exploration of leveraging cutting-edge technologies for test automation within the UiPath platform. Attendees will delve into the integration of generative AI, a test automation solution, with Open AI advanced natural language processing capabilities.
Throughout the session, participants will discover how this synergy empowers testers to automate repetitive tasks, enhance testing accuracy, and expedite the software testing life cycle. Topics covered include the seamless integration process, practical use cases, and the benefits of harnessing AI-driven automation for UiPath testing initiatives. By attending this webinar, testers, and automation professionals can gain valuable insights into harnessing the power of AI to optimize their test automation workflows within the UiPath ecosystem, ultimately driving efficiency and quality in software development processes.
What will you get from this session?
1. Insights into integrating generative AI.
2. Understanding how this integration enhances test automation within the UiPath platform
3. Practical demonstrations
4. Exploration of real-world use cases illustrating the benefits of AI-driven test automation for UiPath
Topics covered:
What is generative AI
Test Automation with generative AI and Open AI.
UiPath integration with generative AI
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
UiPath Test Automation using UiPath Test Suite series, part 5DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 5. In this session, we will cover CI/CD with devops.
Topics covered:
CI/CD with in UiPath
End-to-end overview of CI/CD pipeline with Azure devops
Speaker:
Lyndsey Byblow, Test Suite Sales Engineer @ UiPath, Inc.
Dr. Sean Tan, Head of Data Science, Changi Airport Group
Discover how Changi Airport Group (CAG) leverages graph technologies and generative AI to revolutionize their search capabilities. This session delves into the unique search needs of CAG’s diverse passengers and customers, showcasing how graph data structures enhance the accuracy and relevance of AI-generated search results, mitigating the risk of “hallucinations” and improving the overall customer journey.
Enchancing adoption of Open Source Libraries. A case study on Albumentations.AIVladimir Iglovikov, Ph.D.
Presented by Vladimir Iglovikov:
- https://www.linkedin.com/in/iglovikov/
- https://x.com/viglovikov
- https://www.instagram.com/ternaus/
This presentation delves into the journey of Albumentations.ai, a highly successful open-source library for data augmentation.
Created out of a necessity for superior performance in Kaggle competitions, Albumentations has grown to become a widely used tool among data scientists and machine learning practitioners.
This case study covers various aspects, including:
People: The contributors and community that have supported Albumentations.
Metrics: The success indicators such as downloads, daily active users, GitHub stars, and financial contributions.
Challenges: The hurdles in monetizing open-source projects and measuring user engagement.
Development Practices: Best practices for creating, maintaining, and scaling open-source libraries, including code hygiene, CI/CD, and fast iteration.
Community Building: Strategies for making adoption easy, iterating quickly, and fostering a vibrant, engaged community.
Marketing: Both online and offline marketing tactics, focusing on real, impactful interactions and collaborations.
Mental Health: Maintaining balance and not feeling pressured by user demands.
Key insights include the importance of automation, making the adoption process seamless, and leveraging offline interactions for marketing. The presentation also emphasizes the need for continuous small improvements and building a friendly, inclusive community that contributes to the project's growth.
Vladimir Iglovikov brings his extensive experience as a Kaggle Grandmaster, ex-Staff ML Engineer at Lyft, sharing valuable lessons and practical advice for anyone looking to enhance the adoption of their open-source projects.
Explore more about Albumentations and join the community at:
GitHub: https://github.com/albumentations-team/albumentations
Website: https://albumentations.ai/
LinkedIn: https://www.linkedin.com/company/100504475
Twitter: https://x.com/albumentations
How to Get CNIC Information System with Paksim Ga.pptxdanishmna97
Pakdata Cf is a groundbreaking system designed to streamline and facilitate access to CNIC information. This innovative platform leverages advanced technology to provide users with efficient and secure access to their CNIC details.
Securing your Kubernetes cluster_ a step-by-step guide to success !KatiaHIMEUR1
Today, after several years of existence, an extremely active community and an ultra-dynamic ecosystem, Kubernetes has established itself as the de facto standard in container orchestration. Thanks to a wide range of managed services, it has never been so easy to set up a ready-to-use Kubernetes cluster.
However, this ease of use means that the subject of security in Kubernetes is often left for later, or even neglected. This exposes companies to significant risks.
In this talk, I'll show you step-by-step how to secure your Kubernetes cluster for greater peace of mind and reliability.
Unlocking Productivity: Leveraging the Potential of Copilot in Microsoft 365, a presentation by Christoforos Vlachos, Senior Solutions Manager – Modern Workplace, Uni Systems
Alt. GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using ...James Anderson
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
Speakers:
Bob Boule
Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle.
Gopinath Rebala
Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
In his public lecture, Christian Timmerer provides insights into the fascinating history of video streaming, starting from its humble beginnings before YouTube to the groundbreaking technologies that now dominate platforms like Netflix and ORF ON. Timmerer also presents provocative contributions of his own that have significantly influenced the industry. He concludes by looking at future challenges and invites the audience to join in a discussion.
zkStudyClub - Reef: Fast Succinct Non-Interactive Zero-Knowledge Regex ProofsAlex Pruden
This paper presents Reef, a system for generating publicly verifiable succinct non-interactive zero-knowledge proofs that a committed document matches or does not match a regular expression. We describe applications such as proving the strength of passwords, the provenance of email despite redactions, the validity of oblivious DNS queries, and the existence of mutations in DNA. Reef supports the Perl Compatible Regular Expression syntax, including wildcards, alternation, ranges, capture groups, Kleene star, negations, and lookarounds. Reef introduces a new type of automata, Skipping Alternating Finite Automata (SAFA), that skips irrelevant parts of a document when producing proofs without undermining soundness, and instantiates SAFA with a lookup argument. Our experimental evaluation confirms that Reef can generate proofs for documents with 32M characters; the proofs are small and cheap to verify (under a second).
Paper: https://eprint.iacr.org/2023/1886
Essentials of Automations: The Art of Triggers and Actions in FMESafe Software
In this second installment of our Essentials of Automations webinar series, we’ll explore the landscape of triggers and actions, guiding you through the nuances of authoring and adapting workspaces for seamless automations. Gain an understanding of the full spectrum of triggers and actions available in FME, empowering you to enhance your workspaces for efficient automation.
We’ll kick things off by showcasing the most commonly used event-based triggers, introducing you to various automation workflows like manual triggers, schedules, directory watchers, and more. Plus, see how these elements play out in real scenarios.
Whether you’re tweaking your current setup or building from the ground up, this session will arm you with the tools and insights needed to transform your FME usage into a powerhouse of productivity. Join us to discover effective strategies that simplify complex processes, enhancing your productivity and transforming your data management practices with FME. Let’s turn complexity into clarity and make your workspaces work wonders!
Climate Impact of Software Testing at Nordic Testing DaysKari Kakkonen
My slides at Nordic Testing Days 6.6.2024
Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.
1. International Journal of Data Mining & Knowledge Management Process (IJDKP) Vol.3, No.4, July 2013
DOI : 10.5121/ijdkp.2013.3408 119
METHODS FOR INCREMENTAL LEARNING: A
SURVEY
Ms. R. R. Ade, Assistant Professor, GHRIET, Pune
rosh513@gmail.com
Dr. P. R. Deshmukh, Professor, SCOE&T, Amravati
pr_deshmukh@yahoo.com
ABSTRACT
Incremental learning is a machine learning paradigm where the learning process takes place whenever
new example/s emerge and adjusts what has been learned according to the new example/s. The most
prominent difference of incremental learning from traditional machine learning is that it does not assume
the availability of a sufficient training set before the learning process, but the training examples appear
over time. In this paper we discuss the methods of incremental learning which are currently available. This
paper gives the overview of the current research in the incremental learning which will be beneficial to the
research scalars.
KEYWORDS
Incremental learning, Adaptive Classification, supervised, unsupervised, machine learning, mapping
function, Ensemble Methods
1. INTRODUCTION
When we observe human learning, we clearly see that it is incremental. People learn concept
description from facts and incrementally refine those descriptions when new facts and
observations become available. Newly gained information is used to refine knowledge structure
and models, and rarely causes reformulation of all the knowledge the person has about the subject
at hand. There are two major reasons why humans must learn incrementally 1) sequential flow of
information and 2) limited memory and processing power.
Incremental learning is an important capability for brain-like intelligence as biological systems
are able to continuously learn through their lifetimes and accumulate knowledge over time. Key
objectives of machine learning research are: transforming previously learned knowledge to the
currently received data to facilitate learning from new data, accumulating experience over time to
support decision making process and achieving global generalization through learning to
accomplish goals.
During the incremental learning situation, raw data that come from the environment with which
the intelligent system interacts become incrementally available over an indefinitely long leaning
lifetime. Therefore, the leaning process is fundamentally different from that of traditional static
2. International Journal of Data Mining & Knowledge Management Process (IJDKP) Vol.3, No.4, July 2013
120
learning process, where representative data distribution is available during the training time to
develop the decision boundaries.
Concept drifting is important for understanding the robustness and leaning capability during the
incremental learning. For example, In case of scene analysis, new objects may appear in the
visual field during the learning period. Intelligent system should have the capability to
automatically modify its knowledge based to learn new data distributions.
2. INCREMENTAL LEARNING
Incremental learning algorithm can be defined as one that meets the criteria
1. It will be able to learn and update with every new data-labeled or unlabeled
2. It will preserve previously acquired knowledge
3. It should not require access to the original data
.
4. It will generate new class or cluster when required. It will divide or merge clusters as
needed
5. It will be dynamic in nature with the changing environment.
Fig: Two traditional approaches of incremental learning 1. Data accumulation methodology 2.
Ensemble learning methodology
In the first method, when new chunk of data Dj is received, it will discards hj-1 and develops a
new hypothesis hj, based on all the available data accumulated so far.
In the ensemble learning, when a new chunk of data Dj is received, either a single new hypothesis
or a set of new hypothesis is developed based on the new data. Finally a voting mechanism can be
used to combine all the decisions from different hypothesis to get the final prediction
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Foundation of the Problem:
Let Dj-1 represents the data chunk received between time tj-1 and tj, and hypothesis hj-1
developed on Dj-1.
The system will adaptively learn information when new data chunk Dj is received. There are two
categories, data accumulation method and ensemble learning method.
In the first method, when the new data chunk Dj is received, one simply discards hj-1 and
develops a new hypothesis hj, based on all data accumulated so far.
In ensemble learning method, whenever a new chunk of data is available, either a new hypothesis
hj or a set of hypothesis H:h1, i1,2,…,M, are developed based on the new data. Then the voting
mechanism is used to combine all he decisions from different hypothesis to reach the final
prediction. The major advantage of this approach that we do not require storage to the previously
seen data, knowledge has been stored in the series of hypotheses developed along the learning
life.
Knowledge at time t:
Dt is a chunk of data with n instances (i=1,…,n)
(xi,yi) is an instance in the m-dimensional feature space X
Yi ∈Y ={1,…,K} classes
Distribution function Df
A hypothesis ht, developed by the data based on Dt with Pt
New input will be available at time (t+1)
Leaning algorithm:
1. Find the relationship between Dt and Dt+1
2.Update the initial distribution function Dt+1
3.Apply hypothesis ht to Dt+1 and calculate the pseudo-error of ht
4.Refine the distribution function for Dt+1
5. A hypothesis is developed by the data based on Dt+1 with Pt+1
6. Repeat the procedure when the next chunk of new data set is received.
Output: The final Hypothesis.
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The incremental learning framework discussed in[22] focuses on two important issues, how to
adaptively pass the previously learned knowledge to the presently received data to benefit leaning
from the new raw data, and how to accumulate experience and knowledge over time to support
future decision making processes. Mapping function is the key component of ADAIN that can
effectively transform the knowledge from the current data chunk in to the leaning process of the
future data chunks. Three approaches of mapping functions are namely, Mapping function based
on Euclidean distance, based on regression learning model, based on online value system.
3. UNSUPERVISED INCREMENAL LEARNING
In [36] CF1 and CF2, unsupervised incremental learning algorithms based on the LF algorithm,
for adapting concepts in a changing environment. It was argued that depending on the problem
area, the use of unsupervised CFs such as CF1 and/or CF2 may offer significant advantages
compared to alternative incremental supervised learning methods. The experimental results
suggest that CF1 and CF2 are both stable and elastic.
The algorithm ARTMAP is based on generating new decision cluster in response to new patterns
that are sufficiently different from previously seen instances. Each cluster learns a different
hyper-rectangle shaped portion of the feature space in an unsupervised mode, which are then
mapped to target classes. Since previously generated clusters are always retained, ARTMAP does
not suffer from catastrophic forgetting. ARTMAP does not require access to the previously seen
data, and it can accommodate new classes.
SVM algorithm based on clustering does not need to specify the number of classification
compared with traditional K-means algorithm [34]. The said algorithm is appropriate for
unbalanced data since centers of clusters could reflect the distribution of data well, if clustering
radius is set properly.
4. SUPERVISED INCREMENTAL LEARNING
Learn++ [1]is based on the following intuition: Each new classifier added to the ensemble is
trained using a set of examples drawn according to a distribution, which ensures that examples
that are misclassified by the current ensemble have a high probability of being sampled. In an
incremental learning setting, the examples that have a high probability of error are precisely those
that are unknown or that have not yet been used to train the classifier.
In Learn++.NC[32] asks individual classifiers to cross reference their predictions with respect to
classes on which they were trained. Looking at the decisions of each classifier, each classifier
decides whether its decision is in line with the classes others are predicting and the classes on
which it was trained. If not, the classifier reduces its vote, or possibly refrains from voting all
together. It uses a new voting procedure DW-CAV, a novel voting mechanism for combining
classifiers, where classifiers examine each other’s decisions, cross reference those decisions with
the list of class labels on which it was trained and dynamically adjust their voting weights for
each instance.
Learn++.NC [32] was later developed for learning New Classes (NC), with new data from
existing classes assumed to remain stationary. Learn++.NC employs a dynamically weighted
consult-and-vote mechanism to determine which classifiers should or should not vote for any
5. International Journal of Data Mining & Knowledge Management Process (IJDKP) Vol.3, No.4, July 2013
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given instance based on the (dis)agreement among classifiers trained on different classes. In
Learn++.MF, ensemble members are trained on different subsets of the features, so that Missing
Features (MF) can be accommodated by combining ensemble members trained on the currently
available features. While all former Learn++ algorithms do some form of incremental learning,
none of them is capable of learning from a nonstationary environment, and Learn++.NSE is
developed specifically to fill this gap.
The use of Genetic Algorithm for incremental learning [33]. Each classifier agent may have a
certain solution based on the attributes, classes or data are sensed from the environment or other
agents, the GA is then used to learn new changes and evolve into a reinforced solution. As long as
the learning process continues, this procedure can be repeated for incremental leaning.
SVM are found to be effective in large number of classification and regression problem
[5,6,7,8,9]. The incremental learning algorithm[35] has two parts in order to tackle different types
of incremental learning cases, online incremental learning and batch incremental learning.
5. DISCUSSION AND CONCLUSION
In this paper the different methods of incremental learning has been discussed. There are different
applications of incremental learning methods, as it can be online or batch incremental learning,
The incremental leaning has wide range of applications across different domains. For instance,
incremental learning from video stream, incremental leaning for spam e- mail classification,
Some of the existing techniques for spam email classifications are SVM based method, neural
network method, the practical swarm optimization method, the Bayesian Belief network and
many others. For the above two applications the algorithms based on concept drift, ensemble
methods can be used.
The paper provide useful suggestions of using supervised, unsupervised, semisupervised
approach to solve practical application problems
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