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Hits 1 – 5 of 5
1
1 Universidad Carlos III de Madrid
César De Pablo-sánchez
;
Ana González-ledesma
;
José Luis Martínez-fernández
...
In: http://www.clef-campaign.org/2005/working_notes/workingnotes2005/sanchez05.pdf
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2
Are Passages Enough? The MIRACLE Team Participation at QA@CLEF2009. Multilingual Information Access Evaluation Vol. I Text Retrieval Experiments
María Teresa Vicente-Díez
;
César De Pablo-Sánchez
;
Paloma Martínez
...
In: http://www.lllf.uam.es/ESP/Publicaciones/CLEF2009.pdf
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3
The MIRACLE Team at the CLEF 2008 Multilingual Question Answering Track
Ángel Martínez-gonzález
;
César De Pablo-sánchez
;
Concepción Polo-bayo
...
In: http://clef.isti.cnr.it/2008/working_notes/martinez-paperCLEF2008.pdf
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4
Are Passages Enough? The MIRACLE Team Participation at QA@CLEF2009. Multilingual Information Access Evaluation Vol. I Text Retrieval Experiments
María Teresa Vicente-díez
;
César De Pablo-sánchez
;
Paloma Martínez
;
Julián Moreno Schneider
;
Marta Garrote Salazar
;
Iii Madrid
In: http://ceur-ws.org/Vol-1175/CLEF2009wn-QACLEF-VicenteDiezEt2009.pdf
Abstract:
This paper summarizes the participation of the MIRACLE team in the Multilingual Question Answering Track at CLEF 2009. In this campaign, we took part in the monolingual Spanish task at ResPubliQA@CLEF 2009 and submitted two runs. We have adapted our QA system which has been evaluated in EFE and Wikipedia to the new JRC-Acquis collection and the legal domain. We tested the use of answer filtering and ranking techniques to a base system using passage retrieval with no success. Our run using question analysis and passage retrieval obtained a global accuracy of 0.33 while the addition of an answer filtering step obtained 0.29. We provide an initial analysis of the results across the different questions types while we research the reason why it is difficult to leverage previous QA techniques. A different focus of our work has been on temporal reasoning applied to question answering and also detailed discussion of this issue in the new collection and analysis of the questions is provided.
Keyword:
Categories and Subject Descriptors H.3 [Information Storage and Retrieval
;
H.3.1 Content Analysis and Indexing
;
H.3.3 Information Search and Retrieval
;
H.3.4 Systems and Software
;
H.3.7 Digital Libraries Keywords Question Answering
;
legal domain
;
Spanish
;
temporal indexing
;
temporal normalization
URL:
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.662.2447
http://ceur-ws.org/Vol-1175/CLEF2009wn-QACLEF-VicenteDiezEt2009.pdf
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5
MIRACLE’s Approach to Multilingual Web Retrieval
Ángel Martínez-gonzález
;
José Luis Martínez-fernández
;
César De Pablo-sánchez
...
In: http://clef.isti.cnr.it/2005/working_notes/workingnotes2005/fernandez05.pdf
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