AliQAn and BRILI QA Systems at CLEF 2006

Sergio Ferrández, Pilar López-Moreno, Sandra Roger, Antonio Ferrández, Jesús Peral, X. Alvarado, Elisa Noguera, Fernando Llopis
2006 Conference and Labs of the Evaluation Forum  
An initial version of AliQAn participated in the CLEF-2005 Spanish Monolingual Question Answering task. AliQAn has been improved and it has better results than last year. The system offers new and representative patterns in question analysis and extraction of the answer. A new ontology of questions types has been included. The inexact questions have been improved. The information retrieval engine has been modified considering only the words for the question analysis module as well as we do not
more » ... se the question expansion of IR-n. Besides, many MACO and SUPAR errors have been solved and finally, dictionary about cities and countries have been incorporated. Finally, the BRILI system is presented as an extension of the AliQAn system, in order to deal with bilingual tasks. The final results achieved after that we improve our approach (overall accuracy of 37.89% for monolingual and 21.58% for bilingual) are shown in this paper.
dblp:conf/clef/FerrandezL0FPANL06 fatcat:ckwshbfajngapmiv2qyg6xo2uq