Wikipedia and Web document based Query Translation and Expansion for

نویسندگان

  • Ling-Xiang Tang
  • Andrew Trotman
  • Shlomo Geva
  • Yue Xu
چکیده

In this paper we describe our approaches to retrieving crosslingual documents for question answering in the NTCIR ACLIA-IR4QA task. A few Chinese indexing techniques were used in our experiments. We mainly focused on using external recourses: web documents and Wikipedia for the key phrase identification, translation and query expansion. The evaluation shows encouraging results of our system.

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تاریخ انتشار 2010