Integrating explicit semantic analysis for ontology-based resource selection

Authors:
Matthias Wauer;Daniel Schuster;Alexander Schill
Affiliations:
TU Dresden, Computer Networks Group, Dresden, Germany;TU Dresden, Computer Networks Group, Dresden, Germany;TU Dresden, Computer Networks Group, Dresden, Germany
Venue:
Proceedings of the 13th International Conference on Information Integration and Web-based Applications and Services
Year:
2011

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Abstract

In federated information systems, deciding whether an information source is relevant for a given query is crucial for its overall performance. Focusing on uncooperative unstructured information sources, we analyze several drawbacks of the popular CORI resource selection algorithm by evaluating it in a federated product information scenario. Based on these results, we propose and describe a novel approach using an ontology-based sampling method, which is used to initialize an Explicit Semantic Analysis index.