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The TALP-QA System for Spanish at CLEF Daniel Ferres, Samir Kanaan, Alicia Ageno, Edgar Gonzalez,

Summary: The TALP-QA System for Spanish at CLEF
Daniel Ferr´es, Samir Kanaan, Alicia Ageno, Edgar Gonz´alez,
Horacio Rodr´iguez, and Jordi Turmo
TALP Research Center, Universitat Polit`ecnica de Catalunya
Jordi Girona 1-3, 08043 Barcelona, Spain
{dferres, skanaan, ageno, egonzalez, horacio, turmo}@lsi.upc.edu
Abstract. This paper describes the TALP-QA system in the context
of the CLEF 2005 Spanish Monolingual Question Answering (QA) eval-
uation task. TALP-QA is a multilingual open-domain QA system that
processes both factoid (normal and temporally restricted) and definition
questions. The approach to factoid questions is based on in-depth NLP
tools and resources to create semantic information representation. An-
swers to definition questions are selected from the phrases that match a
pattern from a manually constructed set of definitional patterns.
1 Introduction
This paper describes TALP-QA, a multilingual open-domain Question Answer-
ing (QA) system under development at UPC for the past 3 years. A first version
of TALP-QA for Spanish was used to participate in the CLEF 2004 Spanish QA
track (see [5]). From this version, a new version for English was built and was


Source: Ageno, Alicia - Departament of Llenguatges i Sistemes Informátics, Universitat Politècnica de Catalunya


Collections: Computer Technologies and Information Sciences