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PowerAqua

Semantic Web and Knowledge Services  

A Natural Language Interface to the Semantic Web

PowerAqua is a multi-ontology-based Question Answering (QA) system, which takes as input queries expressed in natural language and is able to return answers drawn from the relevant distributed resources on the Semantic Web. In contrast with any other existing natural language front end, PowerAqua is not restricted to a single ontology and therefore provides the first comprehensive attempt at supporting open domain QA on the Semantic Web.

Participant: Enrico Motta, Marta Sabou, Victoria Uren and Miriam Fernandez

Technology Champion: Vanessa Lopez

URL: http://kmi.open.ac.uk/technologies/poweraqua/

Lopez, V., Uren, V., Sabou, M. and Motta, E. (2011) Is Question Answering fit for the Semantic Web? A Survey, Journal of Semantic Web - Interoperability, Usability, Applicability, In Press

Lopez, V., Fernandez, M., Motta, E. and Stieler, N. (2011) PowerAqua: Supporting Users in Querying and Exploring the Semantic Web, antic Web. Journal of Semantic Web - Interoperability, Usability, Applicability., In Press.

Uren, V., Sabou, M., Motta, E., Fernandez, M., Lopez, V. and Lei, Y. (2010) Reflections on Five Years of Evaluating Semantic Search Systems, International Journal of Metadata, Semantics and Ontologies (IJMSO), 5, 2, pp. 87-98

Lopez, V., Nikolov, A., Sabou, M., Uren, V. and Motta, E. (2010) Scaling up Question-Answering to Linked Data, Knowledge Engineering and Knowledge Management by the Masses (EKAW-2010), Lisboa, Portugal

Lopez, V., Nikolov, A., Fernandez, M., Sabou, M., Uren, V. and Motta, E. (2009) Merging and Ranking Answers in the Semantic Web: The Wisdom of Crowds (Best Paper Award), The 4th Asian Semantic Web Conference, Shanghai, China