Ontology-based question answering for digital libraries

Authors:
Stephan Bloehdorn;Philipp Cimiano;Alistair Duke;Peter Haase;Jörg Heizmann;Ian Thurlow;Johanna Völker
Affiliations:
Institute AIFB, University of Karlsruhe, Karlsruhe, Germany;Institute AIFB, University of Karlsruhe, Karlsruhe, Germany;British Telecom, Ipswich, UK;Institute AIFB, University of Karlsruhe, Karlsruhe, Germany;ontoprise GmbH, Karlsruhe, Germany;British Telecom, Ipswich, UK;Institute AIFB, University of Karlsruhe, Karlsruhe, Germany
Venue:
ECDL'07 Proceedings of the 11th European conference on Research and Advanced Technology for Digital Libraries
Year:
2007

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Abstract

In this paper we present an approach to question answering over heterogeneous knowledge sources that makes use of different ontology management components within the scenario of a digital library application. We present a principled framework for integrating structured metadata and unstructured resource content in a seamless manner which can then be flexibly queried using structured queries expressed in natural language. The novelty of the approach lies in the combination of different semantic technologies providing a clear benefit for the application scenario considered. The resulting system is implemented as part of the digital library of British Telecommunications (BT). The original contribution of our paper lies in the architecture we present allowing for the nonstraightforward integration of the different components we consider.