The anatomy of a large-scale hypertextual Web search engine
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Bridging the lexical chasm: statistical approaches to answer-finding
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Document language models, query models, and risk minimization for information retrieval
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Finding similar questions in large question and answer archives
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An intelligent discussion-bot for answering student queries in threaded discussions
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Methods for using textual entailment in open-domain question answering
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Detection of question-answer pairs in email conversations
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Extracting chatbot knowledge from online discussion forums
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Incorporating site-level knowledge to extract structured data from web forums
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A classification-based approach to question answering in discussion boards
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It pays to be picky: an evaluation of thread retrieval in online forums
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Online community search using thread structure
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Detection of imperative and declarative question-answer pairs in email conversations
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Tagging and linking web forum posts
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Shallow information extraction from medical forum data
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Complete-Thread extraction from web forums
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Online forums contain a huge amount of valuable user generated content. In this paper we address the problem of extracting question-answer pairs from forums. Question-answer pairs extracted from forums can be used to help Question Answering services (e.g. Yahoo! Answers) among other applications. We propose a sequential patterns based classification method to detect questions in a forum thread, and a graph based propagation method to detect answers for questions in the same thread. Experimental results show that our techniques are very promising.