Applying dependency trees and term density for answer selection reinforcement

Authors:
Manuel Pérez-Coutiño;Manuel Montes-y-Gómez;Aurelio López-López;Luis Villaseñor-Pineda;Aarón Pancardo-Rodríguez
Affiliations:
Vanguard Engineering Puebla, San Andrés Cholula, Pue., México;INAOEPue., México;INAOEPue., México;INAOEPue., México;Vanguard Engineering Puebla, San Andrés Cholula, Pue., México
Venue:
CLEF'06 Proceedings of the 7th international conference on Cross-Language Evaluation Forum: evaluation of multilingual and multi-modal information retrieval
Year:
2006

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Abstract

This paper describes the experiments performed for the QA@CLEF- 2006 within the joint participation of the eLing Division at VEng and the Language Technologies Laboratory at INAOE. The aim of these experiments was to observe and quantify the improvements in the final step of the Question Answering prototype when some syntactic features were included into the decision process. In order to reach this goal, a shallow approach to answer ranking based on the term density measure has been integrated into the weighting schema. This approach has shown an interesting improvement against the same prototype without this module. The paper discusses the results achieved, the conclusions and further directions within this research.