Evaluation and improvement of cross-lingual question answering strategies

Authors:
Anne-Laure Ligozat;Brigitte Grau;Isabelle Robba;Anne Vilnat
Affiliations:
LIMSI-CNRS, Orsay Cedex, France;LIMSI-CNRS, Orsay Cedex, France;LIMSI-CNRS, Orsay Cedex, France;LIMSI-CNRS, Orsay Cedex, France
Venue:
MLQA '06 Proceedings of the Workshop on Multilingual Question Answering
Year:
2006

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Abstract

This article presents a bilingual question answering system, which is able to process questions and documents both in French and in English. Two cross-lingual strategies are described and evaluated. First, we study the contribution of biterms translation, and the influence of the completion of the translation dictionaries. Then, we propose a strategy for transferring the question analysis from one language to the other, and we study its influence on the performance of our system.