NDLI: The LIMSI QAst systems: Comparison between human and automatic rules generation for question-answering on speech transcriptions

Content Provider	IEEE Xplore Digital Library
Author	Rosset, S. Galibert, O. Adda, G. Bilinski, E.
Copyright Year	2007
Description	Author affiliation: LIMSI-CNRS, Orsay (Rosset, S.; Galibert, O.; Adda, G.; Bilinski, E.)
Abstract	In this paper, we present two different question-answering systems on speech transcripts. These two systems are based on a complete and multi-level analysis of both queries and documents. The first system uses handcrafted rules for small text fragments (snippet) selection and answer extraction. The second one replaces the handcrafting with an automatically generated research descriptor. A score based on those descriptors is used to select documents and snippets. The extraction and scoring of candidate answers is based on proximity measurements within the research descriptor elements and a number of secondary factors. The preliminary results obtained on QAst (QA on speech transcripts) development data are promising ranged from 72% correct answer at 1 st rank on manually transcribed meeting data to 94% on manually transcribed lecture data.
Starting Page	647
Ending Page	652
File Size	249604
Page Count	6
File Format	PDF
ISBN	9781424417452
DOI	10.1109/ASRU.2007.4430188
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-09
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Humans Data mining Natural languages Information retrieval Speech processing Speech recognition Seminars Search engines Performance analysis Information analysis speech recognition of meetings and lectures Question answering
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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