This is an article made form the articles of IEEE published in the year 2017
The following presentation has the slides for the Title called the
Machine Learning with Big data. that following presentation which has the challenges and approaches of machine learning with big data.
The integration of the Big Data with Machine Learning has so many challenges that Big data has and what is the approach made by the machine learning mechanism for those challenges.
Machine Learning and Real-World ApplicationsMachinePulse
This presentation was created by Ajay, Machine Learning Scientist at MachinePulse, to present at a Meetup on Jan. 30, 2015. These slides provide an overview of widely used machine learning algorithms. The slides conclude with examples of real world applications.
Ajay Ramaseshan, is a Machine Learning Scientist at MachinePulse. He holds a Bachelors degree in Computer Science from NITK, Suratkhal and a Master in Machine Learning and Data Mining from Aalto University School of Science, Finland. He has extensive experience in the machine learning domain and has dealt with various real world problems.
This presentation briefly discusses about the following topics:
Data Analytics Lifecycle
Importance of Data Analytics Lifecycle
Phase 1: Discovery
Phase 2: Data Preparation
Phase 3: Model Planning
Phase 4: Model Building
Phase 5: Communication Results
Phase 6: Operationalize
Data Analytics Lifecycle Example
Machine Learning and Real-World ApplicationsMachinePulse
This presentation was created by Ajay, Machine Learning Scientist at MachinePulse, to present at a Meetup on Jan. 30, 2015. These slides provide an overview of widely used machine learning algorithms. The slides conclude with examples of real world applications.
Ajay Ramaseshan, is a Machine Learning Scientist at MachinePulse. He holds a Bachelors degree in Computer Science from NITK, Suratkhal and a Master in Machine Learning and Data Mining from Aalto University School of Science, Finland. He has extensive experience in the machine learning domain and has dealt with various real world problems.
This presentation briefly discusses about the following topics:
Data Analytics Lifecycle
Importance of Data Analytics Lifecycle
Phase 1: Discovery
Phase 2: Data Preparation
Phase 3: Model Planning
Phase 4: Model Building
Phase 5: Communication Results
Phase 6: Operationalize
Data Analytics Lifecycle Example
Support Vector Machine - How Support Vector Machine works | SVM in Machine Le...Simplilearn
This Support Vector Machine (SVM) presentation will help you understand Support Vector Machine algorithm, a supervised machine learning algorithm which can be used for both classification and regression problems. This SVM presentation will help you learn where and when to use SVM algorithm, how does the algorithm work, what are hyperplanes and support vectors in SVM, how distance margin helps in optimizing the hyperplane, kernel functions in SVM for data transformation and advantages of SVM algorithm. At the end, we will also implement Support Vector Machine algorithm in Python to differentiate crocodiles from alligators for a given dataset.
Below topics are explained in this Support Vector Machine presentation:
1. What is Machine Learning?
2. Why support vector machine?
3. What is support vector machine?
4. Understanding support vector machine
5. Advantages of support vector machine
6. Use case in Python
- - - - - - - -
About Simplilearn Machine Learning course:
A form of artificial intelligence, Machine Learning is revolutionizing the world of computing as well as all people’s digital interactions. Machine Learning powers such innovative automated technologies as recommendation engines, facial recognition, fraud protection and even self-driving cars.This Machine Learning course prepares engineers, data scientists and other professionals with knowledge and hands-on skills required for certification and job competency in Machine Learning.
- - - - - - -
Why learn Machine Learning?
Machine Learning is taking over the world- and with that, there is a growing need among companies for professionals to know the ins and outs of Machine Learning
The Machine Learning market size is expected to grow from USD 1.03 Billion in 2016 to USD 8.81 Billion by 2022, at a Compound Annual Growth Rate (CAGR) of 44.1% during the forecast period.
- - - - - -
What skills will you learn from this Machine Learning course?
By the end of this Machine Learning course, you will be able to:
1. Master the concepts of supervised, unsupervised and reinforcement learning concepts and modeling.
2. Gain practical mastery over principles, algorithms, and applications of Machine Learning through a hands-on approach which includes working on 28 projects and one capstone project.
3. Acquire thorough knowledge of the mathematical and heuristic aspects of Machine Learning.
4. Understand the concepts and operation of support vector machines, kernel SVM, Naive Bayes, decision tree classifier, random forest classifier, logistic regression, K-nearest neighbors, K-means clustering and more.
5. Be able to model a wide variety of robust Machine Learning algorithms including deep learning, clustering, and recommendation systems
- - - - - - -
A short presentation for beginners on Introduction of Machine Learning, What it is, how it works, what all are the popular Machine Learning techniques and learning models (supervised, unsupervised, semi-supervised, reinforcement learning) and how they works with various Industry use-cases and popular examples.
My class presentation at USC. It gives an introduction about what is data science, machine learning, applications, recommendation system and infrastructure.
Introduction to various data science. From the very beginning of data science idea, to latest designs, changing trends, technologies what make then to the application that are already in real world use as we of now.
Half day session on Machine learning and its applications. It introduces Artificial Intelligence, move on Machine Learning, applications, algorithms, types, using Cloud for ML, Deep Learning and some resources to start with
Index.....................
History of Machine Learning.
What is Machine Learning.
Why ML.
Learning System Model.
Training and Testing.
Performance.
Algorithms.
Machine Learning Structure.
Application.
Conclusion.
----------------------------------------------
THANK YOU
AI Vs ML Vs DL PowerPoint Presentation Slide Templates Complete DeckSlideTeam
AI Vs ML Vs DL PowerPoint Presentation Slide Templates Complete Deck is loaded with easy-to-follow content, and intuitive design. Introduce the types and levels of artificial intelligence using the highly-effective visuals featured in this PPT slide deck. Showcase the AI-subfield of machine learning, as well as deep learning through our comprehensive PowerPoint theme. Represent the differences, and interrelationship between AI, ML, and DL. Elaborate on the scope and use case of machine intelligence in healthcare, HR, banking, supply chain, or any other industry. Take advantage of the infographic-style layout to describe why AI is flourishing in today’s day and age. Elucidate AI trends such as robotic process automation, advanced cybersecurity, AI-powered chatbots, and more. Cover all the essentials of machine learning and deep learning with the help of this PPT slideshow. Outline the application, algorithms, use cases, significance, and selection criteria for machine learning. Highlight the deep learning process, types, limitations, and significance. Describe reinforcement training, neural network classifications, and a lot more. Hit download and begin personalization. Our AI Vs ML Vs DL PowerPoint Presentation Slide Templates Complete Deck are topically designed to provide an attractive backdrop to any subject. Use them to look like a presentation pro. https://bit.ly/3ngJCKf
Introduction to Data Science and AnalyticsSrinath Perera
This webinar serves as an introduction to WSO2 Summer School. It will discuss how to build a pipeline for your organization and for each use case, and the technology and tooling choices that need to be made for the same.
This session will explore analytics under four themes:
Hindsight (what happened)
Oversight (what is happening)
Insight (why is it happening)
Foresight (what will happen)
Recording http://t.co/WcMFEAJHok
This Machine Learning presentation is ideal for beginners to learn Machine Learning from scratch. By the end of this presentation, you will learn why Machine Learning is so important in our lives, what is Machine Learning, the various types of Machine Learning (Supervised, Unsupervised and Reinforcement learning), how do we choose the right Machine Learning solution, what are the different Machine Learning algorithms and how do they work (with simple examples and use-cases).
This Machine Learning presentation will cover the following topics:
1. Life without Machine Learning
2. Life with Machine Learning
3. What is Machine Learning
4. Machine Learning Process
5. Types of Machine Learning
6. Supervised Vs Unsupervised
7. The right Machine Learning solutions
8. Machine Learning Algorithms
9. Use case - Predicting the price of a house using Linear Regression
What is Machine Learning: Machine Learning is an application of Artificial Intelligence (AI) that provides systems the ability to automatically learn and improve from experience without being explicitly programmed.
- - - - - - - -
About Simplilearn Machine Learning course:
A form of artificial intelligence, Machine Learning is revolutionizing the world of computing as well as all people’s digital interactions. Machine Learning powers such innovative automated technologies as recommendation engines, facial recognition, fraud protection and even self-driving cars.This Machine Learning course prepares engineers, data scientists and other professionals with knowledge and hands-on skills required for certification and job competency in Machine Learning.
- - - - - - -
Why learn Machine Learning?
Machine Learning is taking over the world- and with that, there is a growing need among companies for professionals to know the ins and outs of Machine Learning
The Machine Learning market size is expected to grow from USD 1.03 Billion in 2016 to USD 8.81 Billion by 2022, at a Compound Annual Growth Rate (CAGR) of 44.1% during the forecast period.
- - - - - - -
Who should take this Machine Learning Training Course?
We recommend this Machine Learning training course for the following professionals in particular:
1. Developers aspiring to be a data scientist or Machine Learning engineer
2. Information architects who want to gain expertise in Machine Learning algorithms
3. Analytics professionals who want to work in Machine Learning or artificial intelligence
4. Graduates looking to build a career in data science and Machine Learning
- - - - - -
In machine learning, support vector machines (SVMs, also support vector networks[1]) are supervised learning models with associated learning algorithms that analyze data and recognize patterns, used for classification and regression analysis. The basic SVM takes a set of input data and predicts, for each given input, which of two possible classes forms the output, making it a non-probabilistic binary linear classifier.
Machine Learning On Big Data: Opportunities And Challenges- Future Research D...PhD Assistance
Machine Learning (ML) is rapidly used in a variety of applications. It has risen to prominence in recent years, owing in part to the emergence of big data. When it comes to big data, ML algorithms have never been more promising. Big data allows machine learning algorithms to discover finer-grained patterns and make more timely and precise predictions than ever before; however, it also poses significant challenges to machine learning, such as model scalability and distributed computing.
Learn More: https://bit.ly/2RB1buD
Contact Us:
Website: https://www.phdassistance.com/
UK NO: +44–1143520021
India No: +91–4448137070
WhatsApp No: +91 91769 66446
Email: info@phdassistance.com
Support Vector Machine - How Support Vector Machine works | SVM in Machine Le...Simplilearn
This Support Vector Machine (SVM) presentation will help you understand Support Vector Machine algorithm, a supervised machine learning algorithm which can be used for both classification and regression problems. This SVM presentation will help you learn where and when to use SVM algorithm, how does the algorithm work, what are hyperplanes and support vectors in SVM, how distance margin helps in optimizing the hyperplane, kernel functions in SVM for data transformation and advantages of SVM algorithm. At the end, we will also implement Support Vector Machine algorithm in Python to differentiate crocodiles from alligators for a given dataset.
Below topics are explained in this Support Vector Machine presentation:
1. What is Machine Learning?
2. Why support vector machine?
3. What is support vector machine?
4. Understanding support vector machine
5. Advantages of support vector machine
6. Use case in Python
- - - - - - - -
About Simplilearn Machine Learning course:
A form of artificial intelligence, Machine Learning is revolutionizing the world of computing as well as all people’s digital interactions. Machine Learning powers such innovative automated technologies as recommendation engines, facial recognition, fraud protection and even self-driving cars.This Machine Learning course prepares engineers, data scientists and other professionals with knowledge and hands-on skills required for certification and job competency in Machine Learning.
- - - - - - -
Why learn Machine Learning?
Machine Learning is taking over the world- and with that, there is a growing need among companies for professionals to know the ins and outs of Machine Learning
The Machine Learning market size is expected to grow from USD 1.03 Billion in 2016 to USD 8.81 Billion by 2022, at a Compound Annual Growth Rate (CAGR) of 44.1% during the forecast period.
- - - - - -
What skills will you learn from this Machine Learning course?
By the end of this Machine Learning course, you will be able to:
1. Master the concepts of supervised, unsupervised and reinforcement learning concepts and modeling.
2. Gain practical mastery over principles, algorithms, and applications of Machine Learning through a hands-on approach which includes working on 28 projects and one capstone project.
3. Acquire thorough knowledge of the mathematical and heuristic aspects of Machine Learning.
4. Understand the concepts and operation of support vector machines, kernel SVM, Naive Bayes, decision tree classifier, random forest classifier, logistic regression, K-nearest neighbors, K-means clustering and more.
5. Be able to model a wide variety of robust Machine Learning algorithms including deep learning, clustering, and recommendation systems
- - - - - - -
A short presentation for beginners on Introduction of Machine Learning, What it is, how it works, what all are the popular Machine Learning techniques and learning models (supervised, unsupervised, semi-supervised, reinforcement learning) and how they works with various Industry use-cases and popular examples.
My class presentation at USC. It gives an introduction about what is data science, machine learning, applications, recommendation system and infrastructure.
Introduction to various data science. From the very beginning of data science idea, to latest designs, changing trends, technologies what make then to the application that are already in real world use as we of now.
Half day session on Machine learning and its applications. It introduces Artificial Intelligence, move on Machine Learning, applications, algorithms, types, using Cloud for ML, Deep Learning and some resources to start with
Index.....................
History of Machine Learning.
What is Machine Learning.
Why ML.
Learning System Model.
Training and Testing.
Performance.
Algorithms.
Machine Learning Structure.
Application.
Conclusion.
----------------------------------------------
THANK YOU
AI Vs ML Vs DL PowerPoint Presentation Slide Templates Complete DeckSlideTeam
AI Vs ML Vs DL PowerPoint Presentation Slide Templates Complete Deck is loaded with easy-to-follow content, and intuitive design. Introduce the types and levels of artificial intelligence using the highly-effective visuals featured in this PPT slide deck. Showcase the AI-subfield of machine learning, as well as deep learning through our comprehensive PowerPoint theme. Represent the differences, and interrelationship between AI, ML, and DL. Elaborate on the scope and use case of machine intelligence in healthcare, HR, banking, supply chain, or any other industry. Take advantage of the infographic-style layout to describe why AI is flourishing in today’s day and age. Elucidate AI trends such as robotic process automation, advanced cybersecurity, AI-powered chatbots, and more. Cover all the essentials of machine learning and deep learning with the help of this PPT slideshow. Outline the application, algorithms, use cases, significance, and selection criteria for machine learning. Highlight the deep learning process, types, limitations, and significance. Describe reinforcement training, neural network classifications, and a lot more. Hit download and begin personalization. Our AI Vs ML Vs DL PowerPoint Presentation Slide Templates Complete Deck are topically designed to provide an attractive backdrop to any subject. Use them to look like a presentation pro. https://bit.ly/3ngJCKf
Introduction to Data Science and AnalyticsSrinath Perera
This webinar serves as an introduction to WSO2 Summer School. It will discuss how to build a pipeline for your organization and for each use case, and the technology and tooling choices that need to be made for the same.
This session will explore analytics under four themes:
Hindsight (what happened)
Oversight (what is happening)
Insight (why is it happening)
Foresight (what will happen)
Recording http://t.co/WcMFEAJHok
This Machine Learning presentation is ideal for beginners to learn Machine Learning from scratch. By the end of this presentation, you will learn why Machine Learning is so important in our lives, what is Machine Learning, the various types of Machine Learning (Supervised, Unsupervised and Reinforcement learning), how do we choose the right Machine Learning solution, what are the different Machine Learning algorithms and how do they work (with simple examples and use-cases).
This Machine Learning presentation will cover the following topics:
1. Life without Machine Learning
2. Life with Machine Learning
3. What is Machine Learning
4. Machine Learning Process
5. Types of Machine Learning
6. Supervised Vs Unsupervised
7. The right Machine Learning solutions
8. Machine Learning Algorithms
9. Use case - Predicting the price of a house using Linear Regression
What is Machine Learning: Machine Learning is an application of Artificial Intelligence (AI) that provides systems the ability to automatically learn and improve from experience without being explicitly programmed.
- - - - - - - -
About Simplilearn Machine Learning course:
A form of artificial intelligence, Machine Learning is revolutionizing the world of computing as well as all people’s digital interactions. Machine Learning powers such innovative automated technologies as recommendation engines, facial recognition, fraud protection and even self-driving cars.This Machine Learning course prepares engineers, data scientists and other professionals with knowledge and hands-on skills required for certification and job competency in Machine Learning.
- - - - - - -
Why learn Machine Learning?
Machine Learning is taking over the world- and with that, there is a growing need among companies for professionals to know the ins and outs of Machine Learning
The Machine Learning market size is expected to grow from USD 1.03 Billion in 2016 to USD 8.81 Billion by 2022, at a Compound Annual Growth Rate (CAGR) of 44.1% during the forecast period.
- - - - - - -
Who should take this Machine Learning Training Course?
We recommend this Machine Learning training course for the following professionals in particular:
1. Developers aspiring to be a data scientist or Machine Learning engineer
2. Information architects who want to gain expertise in Machine Learning algorithms
3. Analytics professionals who want to work in Machine Learning or artificial intelligence
4. Graduates looking to build a career in data science and Machine Learning
- - - - - -
In machine learning, support vector machines (SVMs, also support vector networks[1]) are supervised learning models with associated learning algorithms that analyze data and recognize patterns, used for classification and regression analysis. The basic SVM takes a set of input data and predicts, for each given input, which of two possible classes forms the output, making it a non-probabilistic binary linear classifier.
Machine Learning On Big Data: Opportunities And Challenges- Future Research D...PhD Assistance
Machine Learning (ML) is rapidly used in a variety of applications. It has risen to prominence in recent years, owing in part to the emergence of big data. When it comes to big data, ML algorithms have never been more promising. Big data allows machine learning algorithms to discover finer-grained patterns and make more timely and precise predictions than ever before; however, it also poses significant challenges to machine learning, such as model scalability and distributed computing.
Learn More: https://bit.ly/2RB1buD
Contact Us:
Website: https://www.phdassistance.com/
UK NO: +44–1143520021
India No: +91–4448137070
WhatsApp No: +91 91769 66446
Email: info@phdassistance.com
SEAMLESS AUTOMATION AND INTEGRATION OF MACHINE LEARNING CAPABILITIES FOR BIG ...ijdpsjournal
The paper aims at proposing a solution for designing and developing a seamless automation and
integration of machine learning capabilities for Big Data with the following requirements: 1) the ability to
seamlessly handle and scale very large amount of unstructured and structured data from diversified and
heterogeneous sources; 2) the ability to systematically determine the steps and procedures needed for
analyzing Big Data datasets based on data characteristics, domain expert inputs, and data pre-processing
component; 3) the ability to automatically select the most appropriate libraries and tools to compute and
accelerate the machine learning computations; and 4) the ability to perform Big Data analytics with high
learning performance, but with minimal human intervention and supervision. The whole focus is to provide
a seamless automated and integrated solution which can be effectively used to analyze Big Data with highfrequency
and high-dimensional features from different types of data characteristics and different
application problem domains, with high accuracy, robustness, and scalability. This paper highlights the
research methodologies and research activities that we propose to be conducted by the Big Data
researchers and practitioners in order to develop and support seamless automation and integration of
machine learning capabilities for Big Data analytics.
SEAMLESS AUTOMATION AND INTEGRATION OF MACHINE LEARNING CAPABILITIES FOR BIG ...ijdpsjournal
The paper aims at proposing a solution for designing and developing a seamless automation and integration of machine learning capabilities for Big Data with the following requirements: 1) the ability to seamlessly handle and scale very large amount of unstructured and structured data from diversified and heterogeneous sources; 2) the ability to systematically determine the steps and procedures needed for
analyzing Big Data datasets based on data characteristics, domain expert inputs, and data pre-processing component; 3) the ability to automatically select the most appropriate libraries and tools to compute and accelerate the machine learning computations; and 4) the ability to perform Big Data analytics with high learning performance, but with minimal human intervention and supervision. The whole focus is to provide
a seamless automated and integrated solution which can be effectively used to analyze Big Data with highfrequency
and high-dimensional features from different types of data characteristics and different application problem domains, with high accuracy, robustness, and scalability. This paper highlights the research methodologies and research activities that we propose to be conducted by the Big Data researchers and practitioners in order to develop and support seamless automation and integration of machine learning capabilities for Big Data analytics.
A SIMPLE PROCESS TO SPEED UP MACHINE LEARNING METHODS: APPLICATION TO HIDDEN ...cscpconf
An intrinsic problem of classifiers based on machine learning (ML) methods is that their
learning time grows as the size and complexity of the training dataset increases. For this reason, it is important to have efficient computational methods and algorithms that can be applied on large datasets, such that it is still possible to complete the machine learning tasks in reasonable time. In this context, we present in this paper a simple process to speed up ML methods. An unsupervised clustering algorithm is combined with Expectation, Maximization (EM) algorithm to develop an efficient Hidden Markov Model (HMM) training. The idea of the proposed process consists of two steps. The first one involves a preprocessing step to reduce the number of training instances with any information loss. In this step, training instances with similar inputs are clustered and a weight factor which represents the frequency of these instances is assigned to each representative cluster. In the second step, all formulas in theclassical HMM training algorithm (EM) associated with the number of training instances are modified to include the weight factor in appropriate terms. This process significantly accelerates HMM training while maintaining the same initial, transition and emission probabilities matrixes as those obtained with the classical HMM training algorithm. Accordingly, the classification accuracy is preserved. Depending on the size of the training set, speedups of up to 2200 times is possible when the size is about 100.000 instances. The proposed approach is not limited to training HMMs, but it can be employed for a large variety of MLs methods.
Machine Learning: Need of Machine Learning, Its Challenges and its ApplicationsArpana Awasthi
BCA Department of JIMS Vasant Kunj-II is one of the best BCA colleges in Delhi NCR. The curriculum is well updated and the subjects included all the latest technologies which are in demand.
JIMS BCA course teaches Python to II semester students and Artificial Intelligence Using Python to Sixth Semester students.
Here is a small article on the Future of Machine Learning, hope you will find it useful.
Machine Learning is a field of Computer science in which computer systems are able to learn from past experiences, examples, environments. With help of various Machine Learning Algorithms, Computers are provided with the ability to sense the data and produce some relevant results.
Machine learning Algorithms provide the technique of predicting the future outcomes or classifying information from the given input to the Machines so that the appropriate decisions can be taken.
Top 20 Data Science Interview Questions and Answers in 2023.pdfAnanthReddy38
Here are the top 20 data science interview questions along with their answers:
What is data science?
Data science is an interdisciplinary field that involves extracting insights and knowledge from data using various scientific methods, algorithms, and tools.
What are the different steps involved in the data science process?
The data science process typically involves the following steps:
a. Problem formulation
b. Data collection
c. Data cleaning and preprocessing
d. Exploratory data analysis
e. Feature engineering
f. Model selection and training
g. Model evaluation and validation
h. Deployment and monitoring
What is the difference between supervised and unsupervised learning?
Supervised learning involves training a model on labeled data, where the target variable is known, to make predictions or classify new instances. Unsupervised learning, on the other hand, deals with unlabeled data and aims to discover patterns, relationships, or structures within the data.
What is overfitting, and how can it be prevented?
Overfitting occurs when a model learns the training data too well, resulting in poor generalization to new, unseen data. To prevent overfitting, techniques like cross-validation, regularization, and early stopping can be employed.
What is feature engineering?
Feature engineering involves creating new features from the existing data that can improve the performance of machine learning models. It includes techniques like feature extraction, transformation, scaling, and selection.
Explain the concept of cross-validation.
Cross-validation is a resampling technique used to assess the performance of a model on unseen data. It involves partitioning the available data into multiple subsets, training the model on some subsets, and evaluating it on the remaining subset. Common types of cross-validation include k-fold cross-validation and holdout validation.
What is the purpose of regularization in machine learning?
Regularization is used to prevent overfitting by adding a penalty term to the loss function during model training. It discourages complex models and promotes simpler ones, ultimately improving generalization performance.
What is the difference between precision and recall?
Precision is the ratio of true positives to the total predicted positives, while recall is the ratio of true positives to the total actual positives. Precision measures the accuracy of positive predictions, whereas recall measures the coverage of positive instances.
Explain the term “bias-variance tradeoff.”
The bias-variance tradeoff refers to the relationship between a model’s bias (error due to oversimplification) and variance (error due to sensitivity to fluctuations in the training data). Increasing model complexity reduces bias but increases variance, and vice versa. The goal is to find the right balance that minimizes overall error.
Machine Learning: The First Salvo of the AI Business RevolutionCognizant
Machine learning (ML), a branch of artificial intelligence (AI), is coming into its own as a force in the business landscape, performing a variety of innovative and highly skilled activities that enhance customer experience and offer market advantages. This is a brief guide to getting started with ML, the thinking, tools and frameworks to make it a powerful business tool.
McKinsey Global Institute Big data The next frontier for innova.docxandreecapon
McKinsey Global Institute
Big data: The next frontier for innovation, competition, and productivity 27
2. Bigdatatechniquesand technologies
A wide variety of techniques and technologies has been developed and adapted to aggregate, manipulate, analyze, and visualize big data. These techniques and technologies draw from several fields including statistics, computer science, applied mathematics, and economics. This means that an organization that intends to derive value from big data has to adopt a flexible, multidisciplinary approach. Some techniques and technologies were developed in a world with access to far smaller volumes and variety in data, but have been successfully adapted so that they are applicable to very large sets of more diverse data. Others have been developed more recently, specifically to capture value from big data. Some were developed by academics and others by companies, especially those with online business models predicated on analyzing big data.
This report concentrates on documenting the potential value that leveraging big data can create. It is not a detailed instruction manual on how to capture value, a task that requires highly specific customization to an organization’s context, strategy, and capabilities. However, we wanted to note some of the main techniques and technologies that can be applied to harness big data to clarify the way some
of the levers for the use of big data that we describe might work. These are not comprehensive lists—the story of big data is still being written; new methods and tools continue to be developed to solve new problems. To help interested readers find a particular technique or technology easily, we have arranged these lists alphabetically. Where we have used bold typefaces, we are illustrating the multiple interconnections between techniques and technologies. We also provide a brief selection of illustrative examples of visualization, a key tool for understanding very large-scale data and complex analyses in order to make better decisions.
TECHNIQUES FOR ANALYZING BIG DATA
There are many techniques that draw on disciplines such as statistics and computer science (particularly machine learning) that can be used to analyze datasets. In this section, we provide a list of some categories of techniques applicable across a range of industries. This list is by no means exhaustive. Indeed, researchers continue to develop new techniques and improve on existing ones, particularly in response to the need
to analyze new combinations of data. We note that not all of these techniques strictly require the use of big data—some of them can be applied effectively to smaller datasets (e.g., A/B testing, regression analysis). However, all of the techniques we list here can be applied to big data and, in general, larger and more diverse datasets can be used to generate more numerous and insightful results than smaller, less diverse ones.
A/B testing. A technique in which a control group is compa ...
How Does Data Create Economic Value_ Foundations For Valuation Models.pdfDr. Anke Nestler
In order to clarify how data creates economic value, the measurement of data value and the process of valuation of data contribution to economic benefits is being discussed in this article leading to the identification of ways to operationalize data valuation methodologies. The four independent authors André Gorius, Véronique Blum, Andreas Liebl, and Anke Nestler are leading European IP and licensing specialists of the International Licensing Executives Society (LESI).
Um zu klären, wie Daten einen wirtschaftlichen Wert schaffen, werden in diesem Artikel die Messung von Datenwerten und der Prozess der Bewertung des Beitrags von Daten zum wirtschaftlichen Nutzen erörtert, um Wege zur Operationalisierung von Datenbewertungsmethoden zu finden. Die vier unabhängigen Autoren André Gorius, Véronique Blum, Andreas Liebl und Anke Nestler sind führende europäische IP- und Lizenzierungsspezialisten der International Licensing Executives Society (LESI).
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Empowering the Data Analytics Ecosystem: A Laser Focus on Value
The data analytics ecosystem thrives when every component functions at its peak, unlocking the true potential of data. Here's a laser focus on key areas for an empowered ecosystem:
1. Democratize Access, Not Data:
Granular Access Controls: Provide users with self-service tools tailored to their specific needs, preventing data overload and misuse.
Data Catalogs: Implement robust data catalogs for easy discovery and understanding of available data sources.
2. Foster Collaboration with Clear Roles:
Data Mesh Architecture: Break down data silos by creating a distributed data ownership model with clear ownership and responsibilities.
Collaborative Workspaces: Utilize interactive platforms where data scientists, analysts, and domain experts can work seamlessly together.
3. Leverage Advanced Analytics Strategically:
AI-powered Automation: Automate repetitive tasks like data cleaning and feature engineering, freeing up data talent for higher-level analysis.
Right-Tool Selection: Strategically choose the most effective advanced analytics techniques (e.g., AI, ML) based on specific business problems.
4. Prioritize Data Quality with Automation:
Automated Data Validation: Implement automated data quality checks to identify and rectify errors at the source, minimizing downstream issues.
Data Lineage Tracking: Track the flow of data throughout the ecosystem, ensuring transparency and facilitating root cause analysis for errors.
5. Cultivate a Data-Driven Mindset:
Metrics-Driven Performance Management: Align KPIs and performance metrics with data-driven insights to ensure actionable decision making.
Data Storytelling Workshops: Equip stakeholders with the skills to translate complex data findings into compelling narratives that drive action.
Benefits of a Precise Ecosystem:
Sharpened Focus: Precise access and clear roles ensure everyone works with the most relevant data, maximizing efficiency.
Actionable Insights: Strategic analytics and automated quality checks lead to more reliable and actionable data insights.
Continuous Improvement: Data-driven performance management fosters a culture of learning and continuous improvement.
Sustainable Growth: Empowered by data, organizations can make informed decisions to drive sustainable growth and innovation.
By focusing on these precise actions, organizations can create an empowered data analytics ecosystem that delivers real value by driving data-driven decisions and maximizing the return on their data investment.
Levelwise PageRank with Loop-Based Dead End Handling Strategy : SHORT REPORT ...Subhajit Sahu
Abstract — Levelwise PageRank is an alternative method of PageRank computation which decomposes the input graph into a directed acyclic block-graph of strongly connected components, and processes them in topological order, one level at a time. This enables calculation for ranks in a distributed fashion without per-iteration communication, unlike the standard method where all vertices are processed in each iteration. It however comes with a precondition of the absence of dead ends in the input graph. Here, the native non-distributed performance of Levelwise PageRank was compared against Monolithic PageRank on a CPU as well as a GPU. To ensure a fair comparison, Monolithic PageRank was also performed on a graph where vertices were split by components. Results indicate that Levelwise PageRank is about as fast as Monolithic PageRank on the CPU, but quite a bit slower on the GPU. Slowdown on the GPU is likely caused by a large submission of small workloads, and expected to be non-issue when the computation is performed on massive graphs.
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2. Introduction
The Big Data revolution promises to transform how we live, work, and think by
enabling process optimization, empowering insight discovery and improving decision
making.
Today, the amount of data is exploding at an unprecedented rate as a result of developments
in Web technologies, social media, and mobile and sensing devices. For example, Twitter
processes over 70M tweets per day, thereby generating over 8TB daily.
The ability to extract value from Big Data depends on data analytics which consider
analytics to be the core of the Big Data revolution
Data analytics involves various approaches, technologies, and tools such as those from text
analytics, business intelligence, data visualization, and statistical analysis. The machine
learning (ML) as a fundamental component of data analytics. The ML will be one of the
main drivers of the Big Data revolution. The reason for this is its ability to learn from data
and provide data driven insights, decisions, and predictions.
3. ML Challenges Originating From Big Data
Definition
Big Data are often described by its dimensions, which are referred to as
its V’s.Earlier definitions of Big Data focussed on three V’s (volume,
velocity, and variety); however, a more commonly accepted definition
now relies upon the following four V’s : volume, velocity, variety, and
veracity.
It is important to note that other Vs can also be found in the
literature. For example, value is often added as a 5th V. However, value
is defined as the desired outcome of Big Data processing and not as
defining characteristics of Big Data itself
This section identifies machine learning challenges and associates each
challenge with a specific dimension of Big Data.
5. VOLUME:
The first and the most talked about characteristic of Big Data
is volume: it is the amount, size, and scale of the data.
In the machine learning context, size can be defined either
Vertically by the number of records or samples in a dataset or
horizontally by the number of features or attributes it contains.
1) Processing Performance:-
One of the main challenges encountered in computations with
Big Data comes from the simple principle that scale, or
volume, adds computational complexity.
Consequently, as the scale becomes large, even trivial
operations can become costly.
6. volume
For example, the standard support vector machine (SVM)
algorithm has a training time complexity of O(m3
) and a
space complexity of O(m2
), where m is the number of
training samples. Therefore, an increase in the size m will
drastically affect the time and memory needed to train the
SVM algorithm and may even become computationally
infeasible on very large datasets.
Many other ML algorithms also exhibit high time complexity:
for example, the time complexity of principal component
analysis is O(mn2
+n3
) , that of logistic regression O(mn2
+n3
) ,
that of locally weighted linear regression O(mn2+n3) , and
that of Gaussian discriminative analysis O(mn2+n3), where
m is the number of samples and n the number of features.
7. Volume
Class imbalance:-
As datasets grow larger, the assumption that the data are
uniformly distributed across all classes is often broken.
This leads to a challenge referred to as class imbalance
The performance of a machine learning algorithm can be
negatively affected when datasets contain data from classes
with various probabilities of occurrence.
This problem is especially prominent when some classes are
represented by a large number of samples and some by very
few.
8. volume
Curse of Dimensionality:-
It refers to difficulties encountered when working in high
dimensional space. Specifically, the dimensionality describes
the number of features or attributes present in the dataset.
In addition, dimensionality affects processing performance:
the time and space complexity of ML algorithms is closely
related to data dimensionality. The time complexity of
many ML algorithms is polynomial in the number of
dimensions.
9. volume
Feature Engineering:-
This is the process of creating features, typically using
domain knowledge, to make machine learning perform better.
Indeed, the selection of the most appropriate features is one
of the most time consuming pre-processing tasks in machine
Learning.
As the dataset grows, both vertically and horizontally, it
becomes more difficult to create new, highly relevant features.
10. volume
Bonferonni’s principle :
It embodies the idea that if one is looking for a specific type
of event within a certain amount of data, the likelihood of
finding this event is high.
However, more often than not these occurrences are bogus,
meaning that they have no cause and are therefore
meaningless
instances within a Dataset.
In statistics, the Bonferonni correction theorem provides a
means of
avoiding those bogus positive searches within a dataset. It
suggests
That :- if testing m hypotheses with a desired significance of α ,
each
11. volume
Variance and Bias
Machine learning relies upon the idea of generalization;
through
observations and manipulations of data, representations can
be
generalized to enable analysis and prediction. Generalization
error
can be broken down into two components: variance and bias
Variance describes the consistency of a learner’s ability to
predict
random things, whereas bias describes the ability of a learner
to learn
the wrong thing
13. APPROACHES
This paper reviews and organizes various proposed
machine learning approaches and discusses how they
address the identified challenges.
The big picture of approach-challenge correlations is
presented in Table.
It includes a list of approaches along with the challenges
that each best addresses. Symbol ‘√’ indicate high degree
of remedy while ‘*’ represents partial resolution.
14.
15. Approaches ...
The following sub-sections introduce techniques and
methodologies being developed and used to handle the
challenges associated with machine learning with Big Data.
First, manipulation techniques used in conjunction with
existing algorithms are presented.
Second, various machine learning paradigms that are
especially well suited to handle Big Data challenge
16. A. Manipulations for Big Data
Data analytics using machine learning relies on an
established suite of events, also known as the data analytics
pipeline. The approaches presented in this section discuss
possible manipulations in various steps of the existing
Pipeline.
Dimensionality reduction aims to map high dimensionality
space onto lower-dimensionality one without significant loss
of information.
19. B. Machine Learning Paradigms for Big
Data
A variety of learning paradigms exists in the field of machine
learning; however, not all types are relevant to all areas of
Research
1) Deep Learning
Deep learning is an approach from the representation
learning family of machine learning. Representation learning
is also often referred to as feature learning
It transforms data into abstract representations that enable
the
features to be learnt. In a deep learning architecture, these
representations are subsequently used to accomplish the
machine learning tasks
20.
21. 2) Online Learning
Because it responds well to large-scale processing by nature,
online learning is another machine learning paradigm that has
been explored to bridge efficiency gaps created by Big Data.
Online learning can be seen as an alternative to batch
learning, the paradigm typically used in conventional machine
learning.
22. Local Learning
Local learning is a strategy that offers an alternative to typical
global learning. Conventionally, ML algorithms make use of
global learning through strategies such as generative learning
The idea behind it is to separate the input space into clusters
and then build a separate model for each cluster. This
reduces overall cost and complexity.
23.
24. Transfer Learning
Transfer learning is an approach for improving learning in a
particular domain, referred to as the target domain, by
training
the model with other datasets from multiple domains, denoted
as source domains, with similar attributes or features, such as
the problem and constraints.
This type of learning is used when the data size within the
target domain is insufficient or the learning task is different .
Figure shows an abstract view of transfer learning.
25.
26. Lifelong learning
Lifelong learning mimics human learning; learning is
continuous; knowledge is retained and used to solve different
problems. It is directed to maximize overall learning, to be
able to solve a new task by training either on one single
domain or on heterogeneous domains collectively
The learning outcomes from the training process are
collected and combined together in a space called the topic
model or knowledge model.
28. Conclusion
This paper has provided a systematic review of the
challenges associated with machine learning in the context
Of Big Data and categorized them according to the V
dimensions of Big Data. Moreover, it has presented an
overview of ML approaches and discussed how these
techniques overcome the various challenges identified.