The document describes a study that used BERT (Bidirectional Encoder Representations from Transformers), a pretrained language model, for extractive text summarization. The researchers developed a two-phase encoder-decoder model where BERT encoded sentences from documents and classified them as included or not included in the summary. They evaluated the model on the CNN/Daily Mail corpus and found it achieved state-of-the-art results comparable to previous models based on both automatic metrics and human evaluation.
EXTRACTIVE SUMMARIZATION WITH VERY DEEP PRETRAINED LANGUAGE MODELijaia
Recent development of generative pretrained language models has been proven very successful on a wide
range of NLP tasks, such as text classification, question answering, textual entailment and so on. In this
work, we present a two-phase encoder decoder architecture based on Bidirectional Encoding
Representation from Transformers(BERT) for extractive summarization task. We evaluated our model by
both automatic metrics and human annotators, and demonstrated that the architecture achieves the stateof-the-art comparable result on large scale corpus – ‘CNN/Daily Mail1
As the best of our knowledge’, this
is the first work that applies BERT based architecture to a text summarization task and achieved the stateof-the-art comparable result.
Sentiment Analysis In Myanmar Language Using Convolutional Lstm Neural Networkkevig
In recent years, there has been an increasing use of social media among people in Myanmar and writing
review on social media pages about the product, movie, and trip are also popular among people. Moreover,
most of the people are going to find the review pages about the product they want to buy before deciding
whether they should buy it or not. Extracting and receiving useful reviews over interesting products is very
important and time consuming for people. Sentiment analysis is one of the important processes for extracting
useful reviews of the products. In this paper, the Convolutional LSTM neural network architecture is
proposed to analyse the sentiment classification of cosmetic reviews written in Myanmar Language. The
paper also intends to build the cosmetic reviews dataset for deep learning and sentiment lexicon in Myanmar
Language.
Chunking means splitting the sentences into tokens and then grouping them in a meaningful way. When it comes to high-performance chunking systems, transformer models have proved to be the state of the art benchmarks. To perform chunking as a task it requires a large-scale high quality annotated corpus where each token is attached with a particular tag similar as that of Named Entity Recognition Tasks. Later these tags are used in conjunction with pointer frameworks to find the final chunk. To solve this for a specific domain problem, it becomes a highly costly affair in terms of time and resources to manually annotate and produce a large-high-quality training set. When the domain is specific and diverse, then cold starting becomes even more difficult because of the expected large number of manually annotated queries to cover all aspects. To overcome the problem, we applied a grammar-based text generation mechanism where instead of annotating a sentence we annotate using grammar templates. We defined various templates corresponding to different grammar rules. To create a sentence we used these templates along with the rules where symbol or terminal values were chosen from the domain data catalog. It helped us to create a large number of annotated queries. These annotated queries were used for training the machine learning model using an ensemble transformer-based deep neural network model [24.] We found that grammar-based annotation was useful to solve domain-based chunks in input query sentences without any manual annotation where it was found to achieve a classification F1 score of 96.97% in classifying the tokens for the out of template queries.
BIDIRECTIONAL LONG SHORT-TERM MEMORY (BILSTM)WITH CONDITIONAL RANDOM FIELDS (...ijnlc
This study investigates the effectiveness of Knowledge Named Entity Recognition in Online Judges (OJs). OJs are lacking in the classification of topics and limited to the IDs only. Therefore a lot of time is consumed in finding programming problems more specifically in knowledge entities.A Bidirectional Long Short-Term Memory (BiLSTM) with Conditional Random Fields (CRF) model is applied for the recognition of knowledge named entities existing in the solution reports.For the test run, more than 2000 solution reports are crawled from the Online Judges and processed for the model output. The stability of the model is
also assessed with the higher F1 value. The results obtained through the proposed BiLSTM-CRF model are more effectual (F1: 98.96%) and efficient in lead-time.
This paper presents machine translation based on machine learning, which learns the semantically
correct corpus. The machine learning process based on Quantum Neural Network (QNN) is used to
recognizing the corpus pattern in realistic way. It translates on the basis of knowledge gained during
learning by entering pair of sentences from source to target language. By taking help of this training data
it translates the given text. own text.The paper consist study of a machine translation system which
converts source language to target language using quantum neural network. Rather than comparing
words semantically QNN compares numerical tags which is faster and accurate. In this tagger tags the
part of sentences discretely which helps to map bilingual sentences.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
EXTRACTIVE SUMMARIZATION WITH VERY DEEP PRETRAINED LANGUAGE MODELijaia
Recent development of generative pretrained language models has been proven very successful on a wide
range of NLP tasks, such as text classification, question answering, textual entailment and so on. In this
work, we present a two-phase encoder decoder architecture based on Bidirectional Encoding
Representation from Transformers(BERT) for extractive summarization task. We evaluated our model by
both automatic metrics and human annotators, and demonstrated that the architecture achieves the stateof-the-art comparable result on large scale corpus – ‘CNN/Daily Mail1
As the best of our knowledge’, this
is the first work that applies BERT based architecture to a text summarization task and achieved the stateof-the-art comparable result.
Sentiment Analysis In Myanmar Language Using Convolutional Lstm Neural Networkkevig
In recent years, there has been an increasing use of social media among people in Myanmar and writing
review on social media pages about the product, movie, and trip are also popular among people. Moreover,
most of the people are going to find the review pages about the product they want to buy before deciding
whether they should buy it or not. Extracting and receiving useful reviews over interesting products is very
important and time consuming for people. Sentiment analysis is one of the important processes for extracting
useful reviews of the products. In this paper, the Convolutional LSTM neural network architecture is
proposed to analyse the sentiment classification of cosmetic reviews written in Myanmar Language. The
paper also intends to build the cosmetic reviews dataset for deep learning and sentiment lexicon in Myanmar
Language.
Chunking means splitting the sentences into tokens and then grouping them in a meaningful way. When it comes to high-performance chunking systems, transformer models have proved to be the state of the art benchmarks. To perform chunking as a task it requires a large-scale high quality annotated corpus where each token is attached with a particular tag similar as that of Named Entity Recognition Tasks. Later these tags are used in conjunction with pointer frameworks to find the final chunk. To solve this for a specific domain problem, it becomes a highly costly affair in terms of time and resources to manually annotate and produce a large-high-quality training set. When the domain is specific and diverse, then cold starting becomes even more difficult because of the expected large number of manually annotated queries to cover all aspects. To overcome the problem, we applied a grammar-based text generation mechanism where instead of annotating a sentence we annotate using grammar templates. We defined various templates corresponding to different grammar rules. To create a sentence we used these templates along with the rules where symbol or terminal values were chosen from the domain data catalog. It helped us to create a large number of annotated queries. These annotated queries were used for training the machine learning model using an ensemble transformer-based deep neural network model [24.] We found that grammar-based annotation was useful to solve domain-based chunks in input query sentences without any manual annotation where it was found to achieve a classification F1 score of 96.97% in classifying the tokens for the out of template queries.
BIDIRECTIONAL LONG SHORT-TERM MEMORY (BILSTM)WITH CONDITIONAL RANDOM FIELDS (...ijnlc
This study investigates the effectiveness of Knowledge Named Entity Recognition in Online Judges (OJs). OJs are lacking in the classification of topics and limited to the IDs only. Therefore a lot of time is consumed in finding programming problems more specifically in knowledge entities.A Bidirectional Long Short-Term Memory (BiLSTM) with Conditional Random Fields (CRF) model is applied for the recognition of knowledge named entities existing in the solution reports.For the test run, more than 2000 solution reports are crawled from the Online Judges and processed for the model output. The stability of the model is
also assessed with the higher F1 value. The results obtained through the proposed BiLSTM-CRF model are more effectual (F1: 98.96%) and efficient in lead-time.
This paper presents machine translation based on machine learning, which learns the semantically
correct corpus. The machine learning process based on Quantum Neural Network (QNN) is used to
recognizing the corpus pattern in realistic way. It translates on the basis of knowledge gained during
learning by entering pair of sentences from source to target language. By taking help of this training data
it translates the given text. own text.The paper consist study of a machine translation system which
converts source language to target language using quantum neural network. Rather than comparing
words semantically QNN compares numerical tags which is faster and accurate. In this tagger tags the
part of sentences discretely which helps to map bilingual sentences.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Source side pre-ordering using recurrent neural networks for English-Myanmar ...IJECEIAES
Word reordering has remained one of the challenging problems for machine translation when translating between language pairs with different word orders e.g. English and Myanmar. Without reordering between these languages, a source sentence may be translated directly with similar word order and translation can not be meaningful. Myanmar is a subject-objectverb (SOV) language and an effective reordering is essential for translation. In this paper, we applied a pre-ordering approach using recurrent neural networks to pre-order words of the source Myanmar sentence into target English’s word order. This neural pre-ordering model is automatically derived from parallel word-aligned data with syntactic and lexical features based on dependency parse trees of the source sentences. This can generate arbitrary permutations that may be non-local on the sentence and can be combined into English-Myanmar machine translation. We exploited the model to reorder English sentences into Myanmar-like word order as a preprocessing stage for machine translation, obtaining improvements quality comparable to baseline rule-based pre-ordering approach on asian language treebank (ALT) corpus.
This paper presents a natural language processing based automated system called DrawPlus for generating UML diagrams, user scenarios and test cases after analyzing the given business requirement specification which is written in natural language. The DrawPlus is presented for analyzing the natural languages and extracting the relative and required information from the given business requirement Specification by the user. Basically user writes the requirements specifications in simple English and the designed system has conspicuous ability to analyze the given requirement specification by using some of the core natural language processing techniques with our own well defined algorithms. After compound analysis and extraction of associated information, the DrawPlus system draws use case diagram, User scenarios and system level high level test case description. The DrawPlus provides the more convenient and reliable way of generating use case, user scenarios and test cases in a way reducing the time and cost of software development process while accelerating the 70 of works in Software design and Testing phase Janani Tharmaseelan ""Cohesive Software Design"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: https://www.ijtsrd.com/papers/ijtsrd22900.pdf
Paper URL: https://www.ijtsrd.com/computer-science/other/22900/cohesive-software-design/janani-tharmaseelan
Performance analysis on secured data method in natural language steganographyjournalBEEI
The rapid amount of exchange information that causes the expansion of the internet during the last decade has motivated that a research in this field. Recently, steganography approaches have received an unexpected attention. Hence, the aim of this paper is to review different performance metric; covering the decoding, decrypting and extracting performance metric. The process of data decoding interprets the received hidden message into a code word. As such, data encryption is the best way to provide a secure communication. Decrypting take an encrypted text and converting it back into an original text. Data extracting is a process which is the reverse of the data embedding process. The effectiveness evaluation is mainly determined by the performance metric aspect. The intention of researchers is to improve performance metric characteristics. The evaluation success is mainly determined by the performance analysis aspect. The objective of this paper is to present a review on the study of steganography in natural language based on the criteria of the performance analysis. The findings review will clarify the preferred performance metric aspects used. This review is hoped to help future research in evaluating the performance analysis of natural language in general and the proposed secured data revealed on natural language steganography in specific.
A MULTI-LAYER HYBRID TEXT STEGANOGRAPHY FOR SECRET COMMUNICATION USING WORD T...IJNSA Journal
This paper introduces a multi-layer hybrid text steganography approach by utilizing word tagging and recoloring. Existing approaches are planned to be either progressive in getting imperceptibility, or high hiding limit, or robustness. The proposed approach does not use the ordinary sequential inserting process and overcome issues of the current approaches by taking a careful of getting imperceptibility, high hiding limit, and robustness through its hybrid work by using a linguistic technique and a format-based technique. The linguistic technique is used to divide the cover text into embedding layers where each layer consists of a sequence of words that has a single part of speech detected by POS tagger, while the format-based technique is used to recolor the letters of a cover text with a near RGB color coding to embed 12 bits from the secret message in each letter which leads to high hidden capacity and blinds the embedding, moreover, the robustness is accomplished through a multi-layer embedding process, and the generated stego key significantly assists the security of the embedding messages and its size. The experimental results comparison shows that the purpose approach is better than currently developed approaches in providing an ideal balance between imperceptibility, high hiding limit, and robustness criteria.
Sentence Validation by Statistical Language Modeling and Semantic RelationsEditor IJCATR
This paper deals with Sentence Validation - a sub-field of Natural Language Processing. It finds various applications in
different areas as it deals with understanding the natural language (English in most cases) and manipulating it. So the effort is on
understanding and extracting important information delivered to the computer and make possible efficient human computer
interaction. Sentence Validation is approached in two ways - by Statistical approach and Semantic approach. In both approaches
database is trained with the help of sample sentences of Brown corpus of NLTK. The statistical approach uses trigram technique based
on N-gram Markov Model and modified Kneser-Ney Smoothing to handle zero probabilities. As another testing on statistical basis,
tagging and chunking of the sentences having named entities is carried out using pre-defined grammar rules and semantic tree parsing,
and chunked off sentences are fed into another database, upon which testing is carried out. Finally, semantic analysis is carried out by
extracting entity relation pairs which are then tested. After the results of all three approaches is compiled, graphs are plotted and
variations are studied. Hence, a comparison of three different models is calculated and formulated. Graphs pertaining to the
probabilities of the three approaches are plotted, which clearly demarcate them and throw light on the findings of the project.
BERT - Part 1 Learning Notes of Senthil KumarSenthil Kumar M
In this part 1 presentation, I have attempted to provide a '30,000 feet view' of BERT (Bidirectional Encoder Representations from Transformer) - a state of the art Language Model in NLP with high level technical explanations. I have attempted to collate useful information about BERT from various useful sources.
Derric A. Alkis C
Abstract:
Delivering the customer to a high degree of confidence and the seller for more information about the products and the desire of customers through the use of modern technology and Machine Learning through comments left on the product to see and evaluate the comments added later and thus evaluate the product, whether good or bad.
SENSE DISAMBIGUATION TECHNIQUE FOR PROVIDING MORE ACCURATE RESULTS IN WEB SEARCHijwscjournal
As the web is increasing exponentially, so it is very much difficult to provide relevant information to the information seekers. While searching some information on the web, users can easily fade out in rich hypertext. The existing techniques provide the results that are not up to the mark. This paper focuses on the technique that helps in offering more accurate results, especially in case of Homographs. Homograph is a word that shares the same written form but has different meanings. The technique that shows how senses of words can play an important role in offering accurate search results, is described in following sections. While adopting this technique user can receive only relevant pages on the top of the search result.
T EXT M INING AND C LASSIFICATION OF P RODUCT R EVIEWS U SING S TRUCTURED S U...csandit
Text mining and Text classification are the two pro
minent and challenging tasks in the field of
Machine learning. Text mining refers to the process
of deriving high quality and relevant
information from text, while Text classification de
als with the categorization of text documents
into different classes. The real challenge in these
areas is to address the problems like handling
large text corpora, similarity of words in text doc
uments, and association of text documents with
a subset of class categories. The feature extractio
n and classification of such text documents
require an efficient machine learning algorithm whi
ch performs automatic text classification.
This paper describes the classification of product
review documents as a multi-label
classification scenario and addresses the problem u
sing Structured Support Vector Machine.
The work also explains the flexibility and performan
ce of the proposed approach for e
fficient text classification.
Our project is about guessing the correct missing
word in a given sentence. To find of guess the missing word
we have two main methods one of them statistical language
modeling, while the other is neural language models.
Statistical language modeling depend on the frequency of the
relation between words and here we use Markov chain. Since
neural language models uses artificial neural networks which
uses deep learning, here we use BERT which is the state of art
in language modeling provided by google.
Transformer Models have taken over most of the Natural language Inference tasks. In recent
times they have proved to beat several benchmarks. Chunking means splitting the sentences into
tokens and then grouping them in a meaningful way. Chunking is a task that has gradually
moved from POS tag-based statistical models to neural nets using Language models such as
LSTM, Bidirectional LSTMs, attention models, etc. Deep neural net Models are deployed
indirectly for classifying tokens as different tags defined under Named Recognition Tasks. Later
these tags are used in conjunction with pointer frameworks for the final chunking task. In our
paper, we propose an Ensemble Model using a fine-tuned Transformer Model and a recurrent
neural network model together to predict tags and chunk substructures of a sentence. We
analyzed the shortcomings of the transformer models in predicting different tags and then
trained the BILSTM+CNN accordingly to compensate for the same.
Novel Database-Centric Framework for Incremental Information Extractionijsrd.com
Information extraction (IE) has been an active research area that seeks techniques to uncover information from a large collection of text. IE is the task of automatically extracting structured information from unstructured and/or semi structured machine-readable documents. In most of the cases this activity concerns processing human language texts by means of natural language processing (NLP). Recent activities in document processing like automatic annotation and content extraction could be seen as information extraction. Many applications call for methods to enable automatic extraction of structured information from unstructured natural language text. Due to the inherent challenges of natural language processing, most of the existing methods for information extraction from text tend to be domain specific. In this project a new paradigm for information extraction. In this extraction framework, intermediate output of each text processing component is stored so that only the improved component has to be deployed to the entire corpus. Extraction is then performed on both the previously processed data from the unchanged components as well as the updated data generated by the improved component. Performing such kind of incremental extraction can result in a tremendous reduction of processing time and there is a mechanism to generate extraction queries from both labeled and unlabeled data. Query generation is critical so that casual users can specify their information needs without learning the query language.
ANALYZING ARCHITECTURES FOR NEURAL MACHINE TRANSLATION USING LOW COMPUTATIONA...ijnlc
With the recent developments in the field of Natural Language Processing, there has been a rise in the use
of different architectures for Neural Machine Translation. Transformer architectures are used to achieve
state-of-the-art accuracy, but they are very computationally expensive to train. Everyone cannot have such
setups consisting of high-end GPUs and other resources. We train our models on low computational
resources and investigate the results. As expected, transformers outperformed other architectures, but
there were some surprising results. Transformers consisting of more encoders and decoders took more
time to train but had fewer BLEU scores. LSTM performed well in the experiment and took comparatively
less time to train than transformers, making it suitable to use in situations having time constraints.
Source side pre-ordering using recurrent neural networks for English-Myanmar ...IJECEIAES
Word reordering has remained one of the challenging problems for machine translation when translating between language pairs with different word orders e.g. English and Myanmar. Without reordering between these languages, a source sentence may be translated directly with similar word order and translation can not be meaningful. Myanmar is a subject-objectverb (SOV) language and an effective reordering is essential for translation. In this paper, we applied a pre-ordering approach using recurrent neural networks to pre-order words of the source Myanmar sentence into target English’s word order. This neural pre-ordering model is automatically derived from parallel word-aligned data with syntactic and lexical features based on dependency parse trees of the source sentences. This can generate arbitrary permutations that may be non-local on the sentence and can be combined into English-Myanmar machine translation. We exploited the model to reorder English sentences into Myanmar-like word order as a preprocessing stage for machine translation, obtaining improvements quality comparable to baseline rule-based pre-ordering approach on asian language treebank (ALT) corpus.
This paper presents a natural language processing based automated system called DrawPlus for generating UML diagrams, user scenarios and test cases after analyzing the given business requirement specification which is written in natural language. The DrawPlus is presented for analyzing the natural languages and extracting the relative and required information from the given business requirement Specification by the user. Basically user writes the requirements specifications in simple English and the designed system has conspicuous ability to analyze the given requirement specification by using some of the core natural language processing techniques with our own well defined algorithms. After compound analysis and extraction of associated information, the DrawPlus system draws use case diagram, User scenarios and system level high level test case description. The DrawPlus provides the more convenient and reliable way of generating use case, user scenarios and test cases in a way reducing the time and cost of software development process while accelerating the 70 of works in Software design and Testing phase Janani Tharmaseelan ""Cohesive Software Design"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: https://www.ijtsrd.com/papers/ijtsrd22900.pdf
Paper URL: https://www.ijtsrd.com/computer-science/other/22900/cohesive-software-design/janani-tharmaseelan
Performance analysis on secured data method in natural language steganographyjournalBEEI
The rapid amount of exchange information that causes the expansion of the internet during the last decade has motivated that a research in this field. Recently, steganography approaches have received an unexpected attention. Hence, the aim of this paper is to review different performance metric; covering the decoding, decrypting and extracting performance metric. The process of data decoding interprets the received hidden message into a code word. As such, data encryption is the best way to provide a secure communication. Decrypting take an encrypted text and converting it back into an original text. Data extracting is a process which is the reverse of the data embedding process. The effectiveness evaluation is mainly determined by the performance metric aspect. The intention of researchers is to improve performance metric characteristics. The evaluation success is mainly determined by the performance analysis aspect. The objective of this paper is to present a review on the study of steganography in natural language based on the criteria of the performance analysis. The findings review will clarify the preferred performance metric aspects used. This review is hoped to help future research in evaluating the performance analysis of natural language in general and the proposed secured data revealed on natural language steganography in specific.
A MULTI-LAYER HYBRID TEXT STEGANOGRAPHY FOR SECRET COMMUNICATION USING WORD T...IJNSA Journal
This paper introduces a multi-layer hybrid text steganography approach by utilizing word tagging and recoloring. Existing approaches are planned to be either progressive in getting imperceptibility, or high hiding limit, or robustness. The proposed approach does not use the ordinary sequential inserting process and overcome issues of the current approaches by taking a careful of getting imperceptibility, high hiding limit, and robustness through its hybrid work by using a linguistic technique and a format-based technique. The linguistic technique is used to divide the cover text into embedding layers where each layer consists of a sequence of words that has a single part of speech detected by POS tagger, while the format-based technique is used to recolor the letters of a cover text with a near RGB color coding to embed 12 bits from the secret message in each letter which leads to high hidden capacity and blinds the embedding, moreover, the robustness is accomplished through a multi-layer embedding process, and the generated stego key significantly assists the security of the embedding messages and its size. The experimental results comparison shows that the purpose approach is better than currently developed approaches in providing an ideal balance between imperceptibility, high hiding limit, and robustness criteria.
Sentence Validation by Statistical Language Modeling and Semantic RelationsEditor IJCATR
This paper deals with Sentence Validation - a sub-field of Natural Language Processing. It finds various applications in
different areas as it deals with understanding the natural language (English in most cases) and manipulating it. So the effort is on
understanding and extracting important information delivered to the computer and make possible efficient human computer
interaction. Sentence Validation is approached in two ways - by Statistical approach and Semantic approach. In both approaches
database is trained with the help of sample sentences of Brown corpus of NLTK. The statistical approach uses trigram technique based
on N-gram Markov Model and modified Kneser-Ney Smoothing to handle zero probabilities. As another testing on statistical basis,
tagging and chunking of the sentences having named entities is carried out using pre-defined grammar rules and semantic tree parsing,
and chunked off sentences are fed into another database, upon which testing is carried out. Finally, semantic analysis is carried out by
extracting entity relation pairs which are then tested. After the results of all three approaches is compiled, graphs are plotted and
variations are studied. Hence, a comparison of three different models is calculated and formulated. Graphs pertaining to the
probabilities of the three approaches are plotted, which clearly demarcate them and throw light on the findings of the project.
BERT - Part 1 Learning Notes of Senthil KumarSenthil Kumar M
In this part 1 presentation, I have attempted to provide a '30,000 feet view' of BERT (Bidirectional Encoder Representations from Transformer) - a state of the art Language Model in NLP with high level technical explanations. I have attempted to collate useful information about BERT from various useful sources.
Derric A. Alkis C
Abstract:
Delivering the customer to a high degree of confidence and the seller for more information about the products and the desire of customers through the use of modern technology and Machine Learning through comments left on the product to see and evaluate the comments added later and thus evaluate the product, whether good or bad.
SENSE DISAMBIGUATION TECHNIQUE FOR PROVIDING MORE ACCURATE RESULTS IN WEB SEARCHijwscjournal
As the web is increasing exponentially, so it is very much difficult to provide relevant information to the information seekers. While searching some information on the web, users can easily fade out in rich hypertext. The existing techniques provide the results that are not up to the mark. This paper focuses on the technique that helps in offering more accurate results, especially in case of Homographs. Homograph is a word that shares the same written form but has different meanings. The technique that shows how senses of words can play an important role in offering accurate search results, is described in following sections. While adopting this technique user can receive only relevant pages on the top of the search result.
T EXT M INING AND C LASSIFICATION OF P RODUCT R EVIEWS U SING S TRUCTURED S U...csandit
Text mining and Text classification are the two pro
minent and challenging tasks in the field of
Machine learning. Text mining refers to the process
of deriving high quality and relevant
information from text, while Text classification de
als with the categorization of text documents
into different classes. The real challenge in these
areas is to address the problems like handling
large text corpora, similarity of words in text doc
uments, and association of text documents with
a subset of class categories. The feature extractio
n and classification of such text documents
require an efficient machine learning algorithm whi
ch performs automatic text classification.
This paper describes the classification of product
review documents as a multi-label
classification scenario and addresses the problem u
sing Structured Support Vector Machine.
The work also explains the flexibility and performan
ce of the proposed approach for e
fficient text classification.
Our project is about guessing the correct missing
word in a given sentence. To find of guess the missing word
we have two main methods one of them statistical language
modeling, while the other is neural language models.
Statistical language modeling depend on the frequency of the
relation between words and here we use Markov chain. Since
neural language models uses artificial neural networks which
uses deep learning, here we use BERT which is the state of art
in language modeling provided by google.
Transformer Models have taken over most of the Natural language Inference tasks. In recent
times they have proved to beat several benchmarks. Chunking means splitting the sentences into
tokens and then grouping them in a meaningful way. Chunking is a task that has gradually
moved from POS tag-based statistical models to neural nets using Language models such as
LSTM, Bidirectional LSTMs, attention models, etc. Deep neural net Models are deployed
indirectly for classifying tokens as different tags defined under Named Recognition Tasks. Later
these tags are used in conjunction with pointer frameworks for the final chunking task. In our
paper, we propose an Ensemble Model using a fine-tuned Transformer Model and a recurrent
neural network model together to predict tags and chunk substructures of a sentence. We
analyzed the shortcomings of the transformer models in predicting different tags and then
trained the BILSTM+CNN accordingly to compensate for the same.
Novel Database-Centric Framework for Incremental Information Extractionijsrd.com
Information extraction (IE) has been an active research area that seeks techniques to uncover information from a large collection of text. IE is the task of automatically extracting structured information from unstructured and/or semi structured machine-readable documents. In most of the cases this activity concerns processing human language texts by means of natural language processing (NLP). Recent activities in document processing like automatic annotation and content extraction could be seen as information extraction. Many applications call for methods to enable automatic extraction of structured information from unstructured natural language text. Due to the inherent challenges of natural language processing, most of the existing methods for information extraction from text tend to be domain specific. In this project a new paradigm for information extraction. In this extraction framework, intermediate output of each text processing component is stored so that only the improved component has to be deployed to the entire corpus. Extraction is then performed on both the previously processed data from the unchanged components as well as the updated data generated by the improved component. Performing such kind of incremental extraction can result in a tremendous reduction of processing time and there is a mechanism to generate extraction queries from both labeled and unlabeled data. Query generation is critical so that casual users can specify their information needs without learning the query language.
ANALYZING ARCHITECTURES FOR NEURAL MACHINE TRANSLATION USING LOW COMPUTATIONA...ijnlc
With the recent developments in the field of Natural Language Processing, there has been a rise in the use
of different architectures for Neural Machine Translation. Transformer architectures are used to achieve
state-of-the-art accuracy, but they are very computationally expensive to train. Everyone cannot have such
setups consisting of high-end GPUs and other resources. We train our models on low computational
resources and investigate the results. As expected, transformers outperformed other architectures, but
there were some surprising results. Transformers consisting of more encoders and decoders took more
time to train but had fewer BLEU scores. LSTM performed well in the experiment and took comparatively
less time to train than transformers, making it suitable to use in situations having time constraints.
ANALYZING ARCHITECTURES FOR NEURAL MACHINE TRANSLATION USING LOW COMPUTATIO...kevig
With the recent developments in the field of Natural Language Processing, there has been a rise in the use
of different architectures for Neural Machine Translation. Transformer architectures are used to achieve
state-of-the-art accuracy, but they are very computationally expensive to train. Everyone cannot have such
setups consisting of high-end GPUs and other resources. We train our models on low computational
resources and investigate the results. As expected, transformers outperformed other architectures, but
there were some surprising results. Transformers consisting of more encoders and decoders took more
time to train but had fewer BLEU scores. LSTM performed well in the experiment and took comparatively
less time to train than transformers, making it suitable to use in situations having time constraints
ANALYZING ARCHITECTURES FOR NEURAL MACHINE TRANSLATION USING LOW COMPUTATIONA...kevig
With the recent developments in the field of Natural Language Processing, there has been a rise in the use
of different architectures for Neural Machine Translation. Transformer architectures are used to achieve
state-of-the-art accuracy, but they are very computationally expensive to train. Everyone cannot have such
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Extractive Summarization with Very Deep Pretrained Language Model
1. International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
DOI: 10.5121/ijaia.2019.10203 27
EXTRACTIVE SUMMARIZATION WITH VERY DEEP
PRETRAINED LANGUAGE MODEL
Yang Gu1
and Yanke Hu2
1
Suning USA, Palo Alto, California, USA
2
Humana, Irving, Texas, USA
ABSTRACT
Recent development of generative pretrained language models has been proven very successful on a wide
range of NLP tasks, such as text classification, question answering, textual entailment and so on. In this
work, we present a two-phase encoder decoder architecture based on Bidirectional Encoding
Representation from Transformers(BERT) for extractive summarization task. We evaluated our model by
both automatic metrics and human annotators, and demonstrated that the architecture achieves the state-
of-the-art comparable result on large scale corpus – CNN/Daily Mail1
. As the best of our knowledge, this
is the first work that applies BERT based architecture to a text summarization task and achieved the state-
of-the-art comparable result.
KEYWORDS
BERT, AI, Deep Learning, Summarization
1. INTRODUCTION
Document summarization is a widely investigated problem in natural language processing, and
mainly classified into two categories: extractive summarization and abstractive summarization.
Extractive approaches work in the way of extracting existing words or sentences from the original
text and organizing into the summary, while abstractive approaches focus more on generating the
inherently same summary that is closer to the way human expresses. We will focus on extractive
summarization in this paper.
Traditional extractive summarization approaches can be generally classified into two ways like:
greedy approaches [1] and graph-based approaches [2]. Recently, deep learning techniques have
been proven successful in this domain. Kageback et al. 2014 [3] utilized continuous vector
representations in the recurrent neural network for the first time, and achieved the best result on
Opinosis dataset [4]. Yin et al. 2015 [5] developed an unsupervised convolutional neural network
for learning the sentence representations, and then applied a special sentence selection algorithm
to balance sentence prestige and diversity. Cao et al. 2016 [6] applied the attention mechanism in
a joint neural network model that can learn query relevance ranking and sentence saliency
ranking simultaneously,and achieved competitive performance on DUC query-focused
summarization benchmark datasets2
. Cheng et al. 2016 [7] developed a hierarchical document
1
https://github.com/deepmind/rc-data
2
https://www-nlpir.nist.gov/projects/duc/
2. International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
encoder and an attention-based extractor,and achieved results comparable to the state
CNN/Daily Mail corpus [8] without linguistic annotation.
Recent development of GPT
trained language model on a wide range of different tasks, such as text classification, que
answering, textual entailment, etc, but neither of these approaches
summarization task.
In this paper, we introduced a two
tuned this model on the CNN/Daily Mail
result demonstrated that our model has the state
automatic metrics (in terms of ROUGE
this is the first work that applies BERT based architecture to a text summarization task.
2. TRAINING DATASET
CNN/Daily Mail [8] dataset is the most widely used large scale dataset for summarization and
reading comprehension. The training set contains 287226 samples. The validation set contains
13368 samples. The test set contains 11490 samples. Each sample contains an article and
referenced summary. After tokenization, an article contains 800 tokens on average, and a
corresponding summary contains 56 tokens on average.
3. SUMMARIZATION MODEL
In this section, we propose the summarization model that efficiently utilizes BERT
text encoder. The architecture is shown in Figure
encoder and sentence classification.
Figure 1: Architecture of the Summarization Model
The sentences of the original document will be feed into the BERT encoder sequentially, and be
classified as if or not to be included in the summary. BERT is essentially a multi
bidirectional Transformer [19]
layer and a following linear affine sub
process utilizes query matrix
dimension , and it can be expressed as E
, ,
International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
based extractor,and achieved results comparable to the state
without linguistic annotation.
[9] and BERT [10] has proven the effectiveness of a generative pre
trained language model on a wide range of different tasks, such as text classification, que
answering, textual entailment, etc, but neither of these approaches has been tested on the text
ced a two-phase encoder decoder architecture based on BERT. We fine
tuned this model on the CNN/Daily Mail corpus for single document summarization task. The
result demonstrated that our model has the state-of-the-art comparable performance by both
automatic metrics (in terms of ROUGE [11]) and human assessors. As the best of our knowledge,
rk that applies BERT based architecture to a text summarization task.
dataset is the most widely used large scale dataset for summarization and
reading comprehension. The training set contains 287226 samples. The validation set contains
13368 samples. The test set contains 11490 samples. Each sample contains an article and
referenced summary. After tokenization, an article contains 800 tokens on average, and a
corresponding summary contains 56 tokens on average.
ODEL
In this section, we propose the summarization model that efficiently utilizes BERT
text encoder. The architecture is shown in Figure 1 and consists of two main modules, BERT
encoder and sentence classification.
Figure 1: Architecture of the Summarization Model
The sentences of the original document will be feed into the BERT encoder sequentially, and be
classified as if or not to be included in the summary. BERT is essentially a multi
[19] encoder. Each layer consists of a multi-head self
layer and a following linear affine sub-layer with the residual connection. The BERT encoding
process utilizes query matrix , key matrix of dimension , and value matrix
, and it can be expressed as Eq.(1).
International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
28
based extractor,and achieved results comparable to the state of the art on
has proven the effectiveness of a generative pre-
trained language model on a wide range of different tasks, such as text classification, question
been tested on the text
phase encoder decoder architecture based on BERT. We fine-
corpus for single document summarization task. The
art comparable performance by both
) and human assessors. As the best of our knowledge,
rk that applies BERT based architecture to a text summarization task.
dataset is the most widely used large scale dataset for summarization and
reading comprehension. The training set contains 287226 samples. The validation set contains
13368 samples. The test set contains 11490 samples. Each sample contains an article and a
referenced summary. After tokenization, an article contains 800 tokens on average, and a
In this section, we propose the summarization model that efficiently utilizes BERT [10] as the
of two main modules, BERT
The sentences of the original document will be feed into the BERT encoder sequentially, and be
classified as if or not to be included in the summary. BERT is essentially a multi-layer
ead self-attention sub-
layer with the residual connection. The BERT encoding
, and value matrix of
(1)
3. International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
29
Given the input document as { !, … , #} where % denotes one source token. The BERT
encoder’s output can be expressed as Eq. (2).
& , , !, … , # (2)
In CNN/Daily Mail dataset, the ground truth is the referenced summaries without sentence labels,
so we follow Nallapati et al. [20] to convert the abstractive referenced summaries to extractive
labels. The idea is to add one sentence each time incrementally to the candidate summary, so that
the Rouge score of the current set of selected sentences is increasing in regard to the referenced
summary. We stopped when the remaining candidate sentences cannot promote the Rouge score
with respect to the referenced summary. With this approach, we convert a text summarization
task to a sentence classification task.
Our BERT encoder is based on Google’s TensorFlow3
implementation (TensorFlow version >=
1.11.0). We used the BERT-Base model(uncased, 12-layer,768-hidden,12-heads, 110M
parameters) and then fine tune the model on training set of CNN/Daily Main corpus. All inputs to
the reader are padded to 384 tokens; the learning rate is set to 3x10-5, and other settings are by
default.
4. EXPERIMENT RESULT
We evaluate ROUGE-1, ROUGE-2, and ROUGE-L [11] of our proposed model on CNN/Daily
Mail test dataset. This automatic metric measures the overlap of 1-gram (R-1), bigrams (R-2) and
the longest common subsequence between the model generated summaries and the reference
summaries. We also listed the previously reported ROUGE scores on CNN/Daily Mail in Table 1
for comparison. As Table 1 shows, the ROUGE score of BERT summarization is comparable to
the start-of-the-art models.
Table 1: Comparative evaluation of BERT Summarization with recently reported summarization systems
Models ROUGE-1 ROUGE-2 ROUGE-L
Pointer Generator [12]
ML + Intra-Attention [13]
Saliency + Entailment reward [14]
Key information guide network [15]
Inconsistency loss [16]
Sentence Rewriting [17]
Bottom-Up Summarization [18]
36.44
38.30
40.43
38.95
40.68
40.88
41.22
15.66
14.81
18.00
17.12
17.97
17.80
18.68
33.42
35.49
37.10
35.68
37.13
38.54
38.34
BERT Summarization (Ours) 37.30 17.05 34.76
As per Schluter [21], extractive summarization performance tends to be undervalued with respect
to ROUGE standard, so we also conduct human assessment on Amazon Mechanical Turk
(MTurk)4
for the relevance and readability between Bottom-Up Summarization model (best
3
https://github.com/google-research/bert
4
https://www.mturk.com/
4. International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
30
reported score on CNN/Daily Mail) and our BERT Summarization model. We selected 3 human
annotators who had an approval rate over than 95% (at least 1000 HITs), and showed them 100
samples from the test dataset of CNN/Daily Mail, including the input article, the reference
summary, and the outputs of the two candidate models. We asked them to choose the better one
between the two candidate models’ outputs, or choose “tie” if both outputs were equally good or
bad. The relevance score is mainly based on if the output summary is informative and redundancy
free. The Readability score is mainly based on if the output summary is coherent and
grammatically correct. As shown in Table 2, our BERT Summarization model achieves higher
scores than the best reported Bottom-Up Summarization model by human assessment.
Table 2: Human assessment: pairwise comparison of relevance and readability between Bottom-Up
Summarization [18] and BERT Summarization
Models Relevance Readability Total
Bottom-Up Summarization 42 38 80
BERT Summarization (Ours) 49 46 95
Tie 9 16 25
5. CONCLUSIONS
In this paper, we present a two-phase encoder decoder architecture based on BERT for extractive
summarization task. We demonstrated that our model has the state-of-the-art comparable
performance on CNN/Daily Mail dataset by both automatic metrics and human assessors. As the
best of our knowledge, this is the first work that applies BERT based architecture to a text
summarization task. In the future, we will test employing better decoding and reinforcement
learning approaches to extend it to abstractive summarization task.
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Yang Gu
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experience in computer vision and natural language processing.
International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
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6. International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
Yanke Hu
Senior Cognitive/Machine Learning Engineer at Humana, responsible for deep
learning research and AI platform development. 9
development experience in software industry at companies majoring in
navigation (TeleNav), business analytics (IBM), finance(Fintopia), retail (AiFi)
and healthcare (Humana).
International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
Senior Cognitive/Machine Learning Engineer at Humana, responsible for deep
learning research and AI platform development. 9 years research and
development experience in software industry at companies majoring in
navigation (TeleNav), business analytics (IBM), finance(Fintopia), retail (AiFi)
International Journal of Artificial Intelligence and Applications (IJAIA), Vol.10, No.2, March 2019
32