2003 · 74 citations · 6 references
ComputingComputer ScienceComputational LinguisticsInformation RetrievalNatural Language ProcessingAnnotationDocument ClusteringOpinion MiningPerspective TakingQuestion AnsweringText ClusteringDocument UnderstandingDocument-level AnnotationOpinion AnnotationOpinion ExtractionPerspective Taking In TextQuestion Answering SystemsQuestion UnderstandingRhetorical Use Of Sources
Tomorrow’s question answering systems will need to have the ability to process information about beliefs, opinions, and evaluations—the perspective of an agent. Answers to many simple factual
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Ian H. Witten, Eibe Frank · ACM SIGMOD Record · 2002 · 5.2K citations
Janyce Wiebe, Theresa Wilson, Rebecca Bruce et al. · Computational Linguistics · 2004 · 743 citations