YAGO-QA: Answering Questions by Structured Knowledge Queries

Peter Adolphs, Martin Theobald, Ulrich Schäfer, Hans Uszkoreit, Gerhard Weikum

In: Proceedings of the Fifth IEEE International Conference on Semantic Computing (IEEE-ICSC 2011). IEEE International Conference on Semantic Computing (ICSC-2011) 5th September 18-21 Palo Alto California United States Seiten 158-161 ISBN 978-0-7695-4492-2 IEEE 9/2011.


We present a natural-language question-answering system that gives access to the accumulated knowledge of one of the largest community projects on the Web -- Wikipedia -- via an automatically acquired structured knowledge base. Key to building such a system is to establish mappings from natural language expressions to semantic representations. We propose to acquire these mappings by data-driven methods -- corpus harvesting and paraphrasing -- and present a preliminary empirical study that demonstrates the viability of our method.


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Deutsches Forschungszentrum für Künstliche Intelligenz
German Research Center for Artificial Intelligence