About: Identifying Novel Information using latent Semantic Analysis in the WiQA Task at CLEF 2006

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In our two-stage system for the English monolingual WiQA Task, snippets were first retrieved if they contained an exact match with the title. Candidates were then passed to the Latent Semantic Analysis component which judged them Novel if their match with the article text was less than a threshold. In Run 1, the ten best swnippes were returned and in Run 2 the twenty best. Run 1 was superior, with Average Yield per Topic 2.46 and Precision 0.37. Compared to other groups, our performance was in the middle of the range excerpt for Precision where our system was the best. We attribute this to our use of exact title matches in the IR stage. In future work we will vary the approach used depending on the topic type, exploit co-references in conjuction with exact matches and make use of the elaborate hyperlink stucture which is a unique and most interesting aspect of the Wikipedia. In our two-stage system for the English monolingual WiQA Task, snippets were first retrieved if they contained an exact match with the title. Candidates were then passed to the Latent Semantic Analysis component which judged them Novel if their match with the article text was less than a threshold. In Run 1, the ten best swnippes were returned and in Run 2 the twenty best. Run 1 was superior, with Average Yield per Topic 2.46 and Precision 0.37. Compared to other groups, our performance was in the middle of the range excerpt for Precision where our system was the best. We attribute this to our use of exact title matches in the IR stage. In future work we will vary the approach used depending on the topic type, exploit co-references in conjuction with exact matches and make use of the elaborate hyperlink stucture which is a unique and most interesting aspect of the Wikipedia. (en)
Title	Identifying Novel Information using latent Semantic Analysis in the WiQA Task at CLEF 2006 Identifying Novel Information using latent Semantic Analysis in the WiQA Task at CLEF 2006 (en)
skos:prefLabel	Identifying Novel Information using latent Semantic Analysis in the WiQA Task at CLEF 2006 Identifying Novel Information using latent Semantic Analysis in the WiQA Task at CLEF 2006 (en)
skos:notation	RIV/49777513:23520/07:00502230!RIV10-MSM-23520___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Steinberger, Josef
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Západočeská univerzita v Plzni / Fakulta aplikovaných věd
http://linked.open...dnocenehoVysledku	425386
http://linked.open...ai/riv/idVysledku	RIV/49777513:23520/07:00502230
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	latent semantic analysis; information retrieval; wikipedia; question answering (en)
http://linked.open.../riv/klicoveSlovo	question answering wikipedia latent semantic analysis information retrieval
http://linked.open...ontrolniKodProRIV	[43B2BD063E75]
http://linked.open...v/mistoKonaniAkce	Alicante
http://linked.open...i/riv/mistoVydani	Berlin
http://linked.open...i/riv/nazevZdroje	Evaluation of Multilingual and Multi-modal Information Retrieval
http://linked.open...in/vavai/riv/obor	JC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Poesio, Massimo Steinberger, Josef Kabadjov, Mijail A. Kruschwitz, Udo Sutcliffe, Richard F.e.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000250568000066
http://linked.open.../riv/zahajeniAkce	2006-09-22 (xsd:date)
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Springer-Verlag
https://schema.org/isbn	978-3-540-74998-1
http://localhost/t...ganizacniJednotka	23520
is http://linked.open...avai/riv/vysledek of	Identifying Novel Information using latent Semantic Analysis in the WiQA Task at CLEF 2006 Identifying Novel Information using latent Semantic Analysis in the WiQA Task at CLEF 2006 Identifying Novel Information using latent Semantic Analysis in the WiQA Task at CLEF 2006

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