A Comparative Study on Feature Selection in Text Categorization
ICML '97 Proceedings of the Fourteenth International Conference on Machine Learning
Mining the peanut gallery: opinion extraction and semantic classification of product reviews
WWW '03 Proceedings of the 12th international conference on World Wide Web
Effects of adjective orientation and gradability on sentence subjectivity
COLING '00 Proceedings of the 18th conference on Computational linguistics - Volume 1
Mining and summarizing customer reviews
Proceedings of the tenth ACM SIGKDD international conference on Knowledge discovery and data mining
Development and use of a gold-standard data set for subjectivity classifications
ACL '99 Proceedings of the 37th annual meeting of the Association for Computational Linguistics on Computational Linguistics
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
Utility scoring of product reviews
CIKM '06 Proceedings of the 15th ACM international conference on Information and knowledge management
Extracting product features and opinions from reviews
HLT '05 Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing
Using Online Conversations to Study Word-of-Mouth Communication
Marketing Science
Red Opal: product-feature scoring from reviews
Proceedings of the 8th ACM conference on Electronic commerce
WSDM '08 Proceedings of the 2008 International Conference on Web Search and Data Mining
Do online reviews matter? - An empirical investigation of panel data
Decision Support Systems
Mining opinion features in customer reviews
AAAI'04 Proceedings of the 19th national conference on Artifical intelligence
Collecting evaluative expressions for opinion extraction
IJCNLP'04 Proceedings of the First international joint conference on Natural Language Processing
Probabilistic ranking of product features from customer reviews
IbPRIA'11 Proceedings of the 5th Iberian conference on Pattern recognition and image analysis
Identifying implicit relationships between social media users to support social commerce
Proceedings of the 14th Annual International Conference on Electronic Commerce
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Web 2.0 technologies have facilitated the interaction between web users. The business-to-consumer electronic commerce is no longer restricted between consumers and online retail stores. It has been extended to opinions sharing between consumers and consumers. Before making purchasing decision, consumers like to see other consumer opinions in order to identify the best consumer product that fits their preferences. In the recent years, many research works have focused on sentiment classification and analysis of online consumer reviews. Most of them rely on natural language processing techniques to parse and analyze the sentences in online consumer reviews. However, the writing of consumer reviews contributed by web users is usually less formal than those appear in news or journal articles. Many sentences in consumer reviews may contain grammatical errors and unknown terms that do not exist in any dictionaries. As a result, the natural language processing rules are not applicable in many consumer review text and the performance is relatively poor. In this work, we propose to utilize machine learning techniques to classify the consumer product features and produce a summary of consumer reviews for products such as digital cameras. We have conducted an experiment to compare the performance of class association rules and naïve Bayesian classifier for sentiment analysis. The results show that over 70% of macro- and micro- F measures are achieved. It is substantially higher than those achieved by natural language processing approaches.