Question Answering Using Syntax-Based Concept Nodes

Demetrios G. Glinos, Fernando Gomez

2006

Abstract

This paper presents a syntax-based formalism for representing atomic propositions extracted from textual documents. A method is described for constructing a network of concept nodes for indexing such logical forms based on the discourse entities they contain. The decomposition of meaningful questions into Boolean combinations of question patterns using the same formalism is presented, in which free variables represent the desired answers. A method is described for using this formalism for robust question answering using the concept network and WordNet synonym, hypernym, and antonym relationships. Finally, the encouraging performance of an implementation of this formalism against the factoid questions from the 2005 Text Retrieval Conference, which operated upon the AQUAINT document corpus, is discussed.

References

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Paper Citation


in Harvard Style

G. Glinos D. and Gomez F. (2006). Question Answering Using Syntax-Based Concept Nodes . In Proceedings of the 3rd International Workshop on Natural Language Understanding and Cognitive Science - Volume 1: NLUCS, (ICEIS 2006) ISBN 978-972-8865-50-4, pages 81-90. DOI: 10.5220/0002477500810090


in Bibtex Style

@conference{nlucs06,
author={Demetrios G. Glinos and Fernando Gomez},
title={Question Answering Using Syntax-Based Concept Nodes},
booktitle={Proceedings of the 3rd International Workshop on Natural Language Understanding and Cognitive Science - Volume 1: NLUCS, (ICEIS 2006)},
year={2006},
pages={81-90},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002477500810090},
isbn={978-972-8865-50-4},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 3rd International Workshop on Natural Language Understanding and Cognitive Science - Volume 1: NLUCS, (ICEIS 2006)
TI - Question Answering Using Syntax-Based Concept Nodes
SN - 978-972-8865-50-4
AU - G. Glinos D.
AU - Gomez F.
PY - 2006
SP - 81
EP - 90
DO - 10.5220/0002477500810090