Searching the Semantic Web: Approximate Query Processing Based on Ontologies
IEEE Intelligent Systems
Conceptual graphs for semantic web applications
ICCS'05 Proceedings of the 13th international conference on Conceptual Structures: common Semantics for Sharing Knowledge
Web Semantics: Science, Services and Agents on the World Wide Web
ICCS '08 Proceedings of the 16th international conference on Conceptual Structures: Knowledge Visualization and Reasoning
ICCS '08 Proceedings of the 16th international conference on Conceptual Structures: Knowledge Visualization and Reasoning
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The sparqlquery language is a W3C candidate recommendation for asking and answering queries against RDF data. It offers capabilities for querying by graph patternsand retrieval of solutions is based on graph pattern matching. This paper is dedicated to the implementation of the sparqlquery language and its pattern matching mechanism which is reformulated into a graph homomorphism checking constrained by filter evaluation.