Document Type

Article

Date

2002

Embargo Period

4-17-2012

Keywords

information retrieval, TREC-2002, query representation, question answering, reference

Disciplines

Library and Information Science

Description/Abstract

This paper describes the retrieval experiments for the main task and list task of the TREC-2002 question-answering track. The question answering system described automatically finds answers to questions in a large document collection. The system uses a two-stage retrieval approach to answer finding based on matching of named entities, linguistic patterns, keywords, and the use of a new inference module. In answering a question, the system carries out a detailed query analysis that produces a logical query representation, an indication of the question focus, and answer clue words.

Additional Information

Other authors include:

Ozgur Yilmazel, Syracuse University

Elizabeth D. Liddy, Syracuse University

Source

local input

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.

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