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» Acquiring ontological knowledge from query logs
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TES
2005
Springer
15 years 3 months ago
Bootstrapping Domain Ontology for Semantic Web Services from Source Web Sites
The vision of Semantic Web services promises a network of interoperable Web services over different sources. A major challenge to the realization of this vision is the lack of aut...
Wensheng Wu, AnHai Doan, Clement T. Yu, Weiyi Meng
RIAO
2004
14 years 11 months ago
Ontologies as Background Knowledge to Explore Document Collections
This paper introduces a new approach to provide users with solutions to explore a domain via an information space. A key point in our approach is that information searching and ex...
Nathalie Aussenac-Gilles, Josiane Mothe
DILS
2005
Springer
15 years 3 months ago
Information Integration and Knowledge Acquisition from Semantically Heterogeneous Biological Data Sources
Abstract. We present INDUS (Intelligent Data Understanding System), a federated, query-centric system for knowledge acquisition from autonomous, distributed, semantically heterogen...
Doina Caragea, Jyotishman Pathak, Jie Bao, Adrian ...
GEOS
2009
Springer
15 years 2 months ago
SPARQL Query Re-writing Using Partonomy Based Transformation Rules
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
Prateek Jain, Peter Z. Yeh, Kunal Verma, Cory A. H...
RR
2010
Springer
14 years 8 months ago
Query-Based Access Control for Ontologies
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
Martin Knechtel, Heiner Stuckenschmidt