A note on genetic algorithms for large-scale feature selection
Pattern Recognition Letters
Adaptation in natural and artificial systems
Adaptation in natural and artificial systems
Direction-based text interpretation as an information access refinement
Text-based intelligent systems
Discrimination of authorship using visualization
Information Processing and Management: an International Journal
Application of a hybrid genetic algorithm to airline crew scheduling
Computers and Operations Research - Special issue: artificial intelligence, evolutionary programming and operations research
Feature Selection: Evaluation, Application, and Small Sample Performance
IEEE Transactions on Pattern Analysis and Machine Intelligence
Affective computing
Fast training of support vector machines using sequential minimal optimization
Advances in kernel methods
Machine learning in automated text categorization
ACM Computing Surveys (CSUR)
Mining e-mail content for author identification forensics
ACM SIGMOD Record
Feature Subset Selection Using a Genetic Algorithm
IEEE Intelligent Systems
Machine Learning
A Comparative Study on Feature Selection in Text Categorization
ICML '97 Proceedings of the Fourteenth International Conference on Machine Learning
Mining product reputations on the Web
Proceedings of the eighth ACM SIGKDD international conference on Knowledge discovery and data mining
Mining the peanut gallery: opinion extraction and semantic classification of product reviews
WWW '03 Proceedings of the 12th international conference on World Wide Web
Mining newsgroups using networks arising from social behavior
WWW '03 Proceedings of the 12th international conference on World Wide Web
Feature Selection Using Multi-Objective Genetic Algorithms for Handwritten Digit Recognition
ICPR '02 Proceedings of the 16 th International Conference on Pattern Recognition (ICPR'02) Volume 1 - Volume 1
Measuring praise and criticism: Inference of semantic orientation from association
ACM Transactions on Information Systems (TOIS)
An introduction to variable and feature selection
The Journal of Machine Learning Research
An extensive empirical study of feature selection metrics for text classification
The Journal of Machine Learning Research
Sentiment analysis: capturing favorability using natural language processing
Proceedings of the 2nd international conference on Knowledge capture
ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
HICSS '04 Proceedings of the Proceedings of the 37th Annual Hawaii International Conference on System Sciences (HICSS'04) - Track 4 - Volume 4
Tracking point of view in narrative
Computational Linguistics
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ACL '98 Proceedings of the 35th Annual Meeting of the Association for Computational Linguistics and Eighth Conference of the European Chapter of the Association for Computational Linguistics
Feature selection using linear classifier weights: interaction with classification models
Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval
Mining and summarizing customer reviews
Proceedings of the tenth ACM SIGKDD international conference on Knowledge discovery and data mining
Sentiment Classification Using Phrase Patterns
CIT '04 Proceedings of the The Fourth International Conference on Computer and Information Technology
Sentiment Mining in WebFountain
ICDE '05 Proceedings of the 21st International Conference on Data Engineering
Opinion observer: analyzing and comparing opinions on the Web
WWW '05 Proceedings of the 14th international conference on World Wide Web
Thumbs up or thumbs down?: semantic orientation applied to unsupervised classification of reviews
ACL '02 Proceedings of the 40th Annual Meeting on Association for Computational Linguistics
US Domestic Extremist Groups on the Web: Link and Content Analysis
IEEE Intelligent Systems
Applying Authorship Analysis to Extremist-Group Web Forum Messages
IEEE Intelligent Systems
Using appraisal groups for sentiment analysis
Proceedings of the 14th ACM international conference on Information and knowledge management
Computational Linguistics
Journal of the American Society for Information Science and Technology
Thumbs up?: sentiment classification using machine learning techniques
EMNLP '02 Proceedings of the ACL-02 conference on Empirical methods in natural language processing - Volume 10
Learning subjective nouns using extraction pattern bootstrapping
CONLL '03 Proceedings of the seventh conference on Natural language learning at HLT-NAACL 2003 - Volume 4
EMNLP '03 Proceedings of the 2003 conference on Empirical methods in natural language processing
Intelligence and Security Informatics for International Security: Information Sharing and Data Mining (Integrated Series in Information Systems)
From fingerprint to writeprint
Communications of the ACM - Supporting exploratory search
Data Mining: Practical Machine Learning Tools and Techniques, Second Edition (Morgan Kaufmann Series in Data Management Systems)
The sentimental factor: improving review classification via human-provided information
ACL '04 Proceedings of the 42nd Annual Meeting on Association for Computational Linguistics
A sentimental education: sentiment analysis using subjectivity summarization based on minimum cuts
ACL '04 Proceedings of the 42nd Annual Meeting on Association for Computational Linguistics
Deeper sentiment analysis using machine translation technology
COLING '04 Proceedings of the 20th international conference on Computational Linguistics
COLING '04 Proceedings of the 20th international conference on Computational Linguistics
Determining the sentiment of opinions
COLING '04 Proceedings of the 20th international conference on Computational Linguistics
Recognizing contextual polarity in phrase-level sentiment analysis
HLT '05 Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing
COLING-ACL '06 Proceedings of the COLING/ACL on Main conference poster sessions
Feature subsumption for opinion analysis
EMNLP '06 Proceedings of the 2006 Conference on Empirical Methods in Natural Language Processing
Visualizing authorship for identification
ISI'06 Proceedings of the 4th IEEE international conference on Intelligence and Security Informatics
Optimal Search-Based Gene Subset Selection for Gene Array Cancer Classification
IEEE Transactions on Information Technology in Biomedicine
Development of hybrid genetic algorithms for product line designs
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Affect analysis of text using fuzzy semantic typing
IEEE Transactions on Fuzzy Systems
EuroISI '08 Proceedings of the 1st European Conference on Intelligence and Security Informatics
Improving Patient Opinion Mining through Multi-step Classification
TSD '09 Proceedings of the 12th International Conference on Text, Speech and Dialogue
Joint sentiment/topic model for sentiment analysis
Proceedings of the 18th ACM conference on Information and knowledge management
Sentiment analysis of Chinese documents: From sentence to document level
Journal of the American Society for Information Science and Technology
A Feature Selection Method Based on Fisher's Discriminant Ratio for Text Sentiment Classification
WISM '09 Proceedings of the International Conference on Web Information Systems and Mining
Finding Appropriate Turning Point for Text Sentiment Polarity
ICONIP '09 Proceedings of the 16th International Conference on Neural Information Processing: Part II
Dark web forums portal: searching and analyzing Jihadist forums
ISI'09 Proceedings of the 2009 IEEE international conference on Intelligence and security informatics
Text-based video content classification for online video-sharing sites
Journal of the American Society for Information Science and Technology
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ACL '10 Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics
A study of information retrieval weighting schemes for sentiment analysis
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A comparative study of Bayesian models for unsupervised sentiment detection
CoNLL '10 Proceedings of the Fourteenth Conference on Computational Natural Language Learning
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Expert Systems with Applications: An International Journal
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Decision Support Systems
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ACM SIGKDD Workshop on Intelligence and Security Informatics
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Proceedings of the 2011 iConference
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Self-training from labeled features for sentiment analysis
Information Processing and Management: an International Journal
Subjectivity and sentiment analysis of modern standard Arabic
HLT '11 Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies: short papers - Volume 2
Subjectivity and sentiment annotation of modern standard Arabic newswire
LAW V '11 Proceedings of the 5th Linguistic Annotation Workshop
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WISE'11 Proceedings of the 12th international conference on Web information system engineering
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ACM Transactions on Information Systems (TOIS)
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Expert Systems with Applications: An International Journal
SAMAR: a system for subjectivity and sentiment analysis of Arabic social media
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Exploring the problems of sentiment analysis in informal Arabic
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Experiments in cross-lingual sentiment analysis in discussion forums
SocInfo'12 Proceedings of the 4th international conference on Social Informatics
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International Journal of Intelligent Information Technologies
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International Journal of Information Retrieval Research
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Optimal feature selection for sentiment analysis
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More than words: Social networks' text mining for consumer brand sentiments
Expert Systems with Applications: An International Journal
Towards automatic assessment of government web sites
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Expert Systems with Applications: An International Journal
A method of feature selection and sentiment similarity for Chinese micro-blogs
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Decision Support Systems
SAMAR: Subjectivity and sentiment analysis for Arabic social media
Computer Speech and Language
Information Technology and Management
Sentiment classification: The contribution of ensemble learning
Decision Support Systems
Associating targets with SentiUnits: a step forward in sentiment analysis of Urdu text
Artificial Intelligence Review
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The Internet is frequently used as a medium for exchange of information and opinions, as well as propaganda dissemination. In this study the use of sentiment analysis methodologies is proposed for classification of Web forum opinions in multiple languages. The utility of stylistic and syntactic features is evaluated for sentiment classification of English and Arabic content. Specific feature extraction components are integrated to account for the linguistic characteristics of Arabic. The entropy weighted genetic algorithm (EWGA) is also developed, which is a hybridized genetic algorithm that incorporates the information-gain heuristic for feature selection. EWGA is designed to improve performance and get a better assessment of key features. The proposed features and techniques are evaluated on a benchmark movie review dataset and U.S. and Middle Eastern Web forum postings. The experimental results using EWGA with SVM indicate high performance levels, with accuracies of over 91% on the benchmark dataset as well as the U.S. and Middle Eastern forums. Stylistic features significantly enhanced performance across all testbeds while EWGA also outperformed other feature selection methods, indicating the utility of these features and techniques for document-level classification of sentiments.