Lightweight web-based fact repositories for textual question answering

Abstract

Since answers to fact-seeking questions usually reside within small factual text nuggets, often "hidden" within full-length documents, their relevance to a question is not necessarily correlated to the relevance of the full-length document to the question. Yet previous approaches to open-domain textual question answering from large document collections… (More)
DOI: 10.1145/1321440.1321455

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