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» Improving Passage Retrieval in Question Answering Using NLP
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ISCI
2007
142views more  ISCI 2007»
13 years 4 months ago
Semantic passage segmentation based on sentence topics for question answering
We propose a semantic passage segmentation method for a Question Answering (QA) system. We define a semantic passage as sentences grouped by semantic coherence, determined by the...
Hyo-Jung Oh, Sung-Hyon Myaeng, Myung-Gil Jang
AIIA
2007
Springer
13 years 11 months ago
A Comparison of Genetic Algorithms for Optimizing Linguistically Informed IR in Question Answering
In this paper we compare four selection strategies in evolutionary optimization of information retrieval (IR) in a question answering setting. The IR index has been augmented by li...
Jörg Tiedemann
TSD
2005
Springer
13 years 10 months ago
A Passage Retrieval System for Multilingual Question Answering
In this paper we present a new Question Answering (QA) system based on redundancy and a new Passage Retrieval (PR) method oriented to QA. We suppose that in a large enough document...
José Manuel Gómez Soriano, Manuel Mo...
ACSC
2006
IEEE
13 years 11 months ago
A semantic approach to boost passage retrieval effectiveness for question answering
In the current state of the rapid growth of information resources and the huge number of requests submitted by users to existing information retrieval systems; recently, Question ...
Bahadorreza Ofoghi, John Yearwood, Ranadhir Ghosh
CLIN
2003
13 years 6 months ago
Natural Language Processing in Information Retrieval
Many Natural Language Processing (NLP) techniques have been used in Information Retrieval. The results are not encouraging. Simple methods (stopwording, porter-style stemming, etc...
Thorsten Brants