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TREC
2001

Patterns of Potential Answer Expressions as Clues to the Right Answers

9 years 2 months ago
Patterns of Potential Answer Expressions as Clues to the Right Answers
The core of our question-answering mechanism is searching for predefined patterns of textual expressions that may be interpreted as answers to certain types of questions. The presence of such patterns in analyzed answer-string candidates may provide evidence of the right answer. The answer-string candidates are created by cutting up relatively-large source documents passages containing the query terms or their synonyms/substitutes. indicative patterns. The specificity of our approach is: - placing the use of indicative patterns in the core of the QA approach; - aiming at the comprehensive and systematic use of such indicators; - defining various structural types of the indicative patterns, including nontrivial and sophisticated ones; - developing accessory techniques that ensure effective performance of the approach. We believe that the use of indicative patterns for question answering can be considered as a special case of the more general approach to text information retrieval that ...
Martin M. Soubbotin
Added 31 Oct 2010
Updated 31 Oct 2010
Type Conference
Year 2001
Where TREC
Authors Martin M. Soubbotin
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