Class-based n-gram models of natural language
Computational Linguistics
Parallel coordinates: a tool for visualizing multi-dimensional geometry
VIS '90 Proceedings of the 1st conference on Visualization '90
Automatic retrieval and clustering of similar words
COLING '98 Proceedings of the 17th international conference on Computational linguistics - Volume 2
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
Accurate unlexicalized parsing
ACL '03 Proceedings of the 41st Annual Meeting on Association for Computational Linguistics - Volume 1
Extracting product features and opinions from reviews
HLT '05 Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing
A multimedia interface for facilitating comparisons of opinions
Proceedings of the 14th international conference on Intelligent user interfaces
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While there are many commercial systems to help people browse and compare products, these interfaces are typically product centric. To help users identify products that match their needs more efficiently, we instead focus on building a task centric interface and system. Based on answers to initial questions about the situations in which they expect to use the product, the interface identifies products that match their needs, and exposes high-level product features related to their tasks, as well as low-level information including customer reviews and product specifications. We developed semi-automatic methods to extract the high-level features used by the system from online product data. These methods identify and group product features, mine and summarize opinions about those features, and identify product uses. User studies verified our focus on high-level features for browsing products and low-level features and specifications for comparing products.