The TREC 2007 question answering (QA) track contained two tasks: the main task consisting of series of factoid, list, and “Other” questions organized around a set of targets, ...
We present a strategy for answering fact-based natural language questions that is guided by a characterization of realworld user queries. Our approach, implemented in a system cal...
This paper describes the work done by the RFIA group at the Departamento de Sistemas Inform´aticos y Computaci´on of the Universidad Polit´ecnica of Valencia for the 2007 editio...
Davide Buscaldi, Yassine Benajiba, Paolo Rosso, Em...
We describe ongoing work in semi-automatic annotating corpus, with the goal to answer "why" question in question answering system and give a construction of the coherent...
This paper describes an algorithm for propagating verb arguments along lexical chains consisting of WordNet relations. The algorithm creates verb argument structures using VerbNet...