Evaluation and improvement of cross-lingual question answering strategies

Anne-Laure Ligozat (1) , Brigitte Grau (1, 2) , Isabelle Robba (1) , Anne Vilnat (1)

1 LIMSI - Laboratoire d'Informatique pour la Mécanique et les Sciences de l'Ingénieur
2 ENSIIE - Ecole Nationale Supérieure d'Informatique pour l'Industrie et l'Entreprise

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.

Domaines: Informatique et langage [cs.CL]

Anne-Laure Ligozat, Brigitte Grau, Isabelle Robba, Anne Vilnat. Evaluation and improvement of cross-lingual question answering strategies. Proceedings of the Workshop on Multilingual Question Answering at EACL Conference, May 2006, Trento, Italy. pp.23--30. ⟨hal-02307363⟩