A fast forward approach to cross-lingual question answering for english and german

Authors:
Robert Strötgen;Thomas Mandl;René Schneider
Affiliations:
Information Science, University of Hildesheim, Hildesheim, Germany;Information Science, University of Hildesheim, Hildesheim, Germany;Information Science, University of Hildesheim, Hildesheim, Germany
Venue:
CLEF'05 Proceedings of the 6th international conference on Cross-Language Evalution Forum: accessing Multilingual Information Repositories
Year:
2005

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Abstract

This paper describes the development of a question answering system for mono-lingual and cross-lingual tasks for English and German. We developed the question answering system from a document and retrieval perspective. The system consists of question and answering taxonomies, named entity recognition, term expansion modules, a multi-lingual search engine based on Lucene and a passage extraction and ranking component. The overall architecture and heuristics applied during development are described. We discuss the results at CLEF 2005 and show potential future work.