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AnswerBus question answering system

Zhiping Zheng
2002 Proceedings of the second international conference on Human Language Technology Research -   unpublished

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AnswerBus 1 is an open-domain question answering system based on sentence level Web information retrieval. It accepts users' natural-language questions in English, German, French, Spanish, Italian and Portuguese and provides answers in English. Five search engines and directories are used to retrieve Web pages that are relevant to user questions. From the Web pages, AnswerBus extracts sentences that are determined to contain answers. Its current rate of correct answers to TREC-8's 200 questions
more » ... is 70.5% with the average response time to the questions being seven seconds. The performance of AnswerBus in terms of accuracy and response time is better than other similar systems. Keywords open-domain question answering" QA specific dictionary, information retrieval
doi:10.3115/1289189.1289238 fatcat:dszrblfgg5f4vnz3m5qzfjvgne
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Zhiping Zheng. "AnswerBus question answering system." Proceedings of the second international conference on Human Language Technology Research - (2002)