Norifumi Katafuchi

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Distributed question answering services, like Yahoo Answer and Aardvark, are known to be useful for end users and have also opened up numerous topics ranging in many research fields. In this paper, we propose a user-support tool for composing questions in such services. Our system incrementally recommends similar questions while users are typing their(More)
This paper introduces a method that improves web search accuracy by using modified term weighting with relevant terms that are extracted from various information resources by the application of various techniques. The existing query expansion method, which is typical of the techniques that use relevant terms, offers improved search accuracy, but its(More)
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