2009

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Articles: Recognizing Contextual Polarity: An Exploration of Features for Phrase-Level Sentiment Analysis
Theresa Wilson | Janyce Wiebe | Paul Hoffmann
Computational Linguistics, Volume 35, Number 3, September 2009

2006

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Manual Annotation of Opinion Categories in Meetings
Swapna Somasundaran | Janyce Wiebe | Paul Hoffmann | Diane Litman
Proceedings of the Workshop on Frontiers in Linguistically Annotated Corpora 2006

2005

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Recognizing Contextual Polarity in Phrase-Level Sentiment Analysis
Theresa Wilson | Janyce Wiebe | Paul Hoffmann
Proceedings of Human Language Technology Conference and Conference on Empirical Methods in Natural Language Processing

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OpinionFinder: A System for Subjectivity Analysis
Theresa Wilson | Paul Hoffmann | Swapna Somasundaran | Jason Kessler | Janyce Wiebe | Yejin Choi | Claire Cardie | Ellen Riloff | Siddharth Patwardhan
Proceedings of HLT/EMNLP 2005 Interactive Demonstrations