Exploiting paraphrases in a Question Answering system

Authors:
Fabio Rinaldi;James Dowdall;Kaarel Kaljurand;Michael Hess;Diego Mollá
Affiliations:
University of Zürich, Zürich, Switzerland;University of Zürich, Zürich, Switzerland;University of Zürich, Zürich, Switzerland;University of Zürich, Zürich, Switzerland;Macquarie University, Sydney NSW, Australia
Venue:
PARAPHRASE '03 Proceedings of the second international workshop on Paraphrasing - Volume 16
Year:
2003

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Abstract

We present a Question Answering system for technical domains which makes an intelligent use of paraphrases to increase the likelihood of finding the answer to the user's question. The system implements a simple and efficient logic representation of questions and answers that maps paraphrases to the same underlying semantic representation. Further, paraphrases of technical terminology are dealt with by a separate process that detects surface variants.