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SEMWEB
2010
Springer
15 years 4 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
SEMWEB
2009
Springer
16 years 24 days ago
Queries to Hybrid MKNF Knowledge Bases through Oracular Tabling
An important issue for the Semantic Web is how to combine open-world ontology languages with closed-world (non-monotonic) rule paradigms. Several proposals for hybrid languages all...
José Júlio Alferes, Matthias Knorr, ...
IRI
2007
IEEE
16 years 17 days ago
Question Driven Semantics Interpretation for Collaborative Knowledge Engineering and Ontology Reuse
Ontology integration, alignment, and reuse are at the heart of Semantic Web vision. The alignment between two ontologies can be achieved easily provided both share the same axioma...
Khalid Latif, Edgar Weippl, A. Min Tjoa
COOPIS
2004
IEEE
15 years 10 months ago
Comparing Approaches for Semantic Service Description and Matchmaking
Matching descriptions of user requirements against descriptions of service capabilities is crucial for the discovery of appropriate services for a given task. To improve the precis...
Sven Schade, Arnd Sahlmann, Michael Lutz, Florian ...
CIKM
2008
Springer
15 years 8 months ago
Kernel methods, syntax and semantics for relational text categorization
Previous work on Natural Language Processing for Information Retrieval has shown the inadequateness of semantic and syntactic structures for both document retrieval and categoriza...
Alessandro Moschitti