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» Formalizing Ontological Commitment
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AAAI
2006
14 years 11 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
FGCS
2006
114views more  FGCS 2006»
14 years 9 months ago
A semantic approach to discovering learning services in grid-based collaborative systems
CSCL systems can benefit from using grids since they offer a common infrastructure enabling the access to an extended pool of resources that can provide supercomputing capabilitie...
Guillermo Vega-Gorgojo, Miguel L. Bote-Lorenzo, Ed...
CIKM
2011
Springer
13 years 9 months ago
Semantic data markets: a flexible environment for knowledge management
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
Roberto De Virgilio, Giorgio Orsi, Letizia Tanca, ...
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WWW
2004
ACM
15 years 10 months ago
An agent system reasoning about the web and the user
The paper describes some innovations related to the ongoing work on the GSA prototype, an integrated information retrieval agent. In order to improve the original system effective...
Giovambattista Ianni, Francesco Ricca, Francesco C...
WWW
2002
ACM
15 years 10 months ago
Simulation, verification and automated composition of web services
Web services -- Web-accessible programs and devices ? are a key application area for the Semantic Web. With the proliferation of Web services and the evolution towards the Semanti...
Srini Narayanan, Sheila A. McIlraith