Patterns of Potential Answer Expressions as Clues to the Right Answers (2001)
| Venue: | In Proceedings of the Tenth Text REtrieval Conference (TREC |
| Citations: | 72 - 1 self |
BibTeX
@INPROCEEDINGS{Soubbotin01patternsof,
author = {M. M. Soubbotin},
title = {Patterns of Potential Answer Expressions as Clues to the Right Answers},
booktitle = {In Proceedings of the Tenth Text REtrieval Conference (TREC},
year = {2001},
pages = {293--302}
}
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Abstract
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 contrasts with linguisticsoriented methodology.
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