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» Anomalies in ontologies with rules
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SEMWEB
2010
Springer
13 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
ICOODB
2009
94views Database» more  ICOODB 2009»
13 years 4 months ago
Metamodelling with Datalog and Classes: ConceptBase at the Age of 21
ConceptBase is a deductive object-oriented database system intended for the management of metadata. A distinguishing feature of the Telos language underlying ConceptBase is the abi...
Matthias Jarke, Manfred A. Jeusfeld, Hans W. Nisse...
WWW
2003
ACM
14 years 7 months ago
Super-peer-based routing and clustering strategies for RDF-based peer-to-peer networks
RDF-based P2P networks have a number of advantages compared with simpler P2P networks such as Napster, Gnutella or with approaches based on distributed indices such as CAN and CHO...
Alexander Löser, Christoph Schmitz, Ingo Brun...
KCAP
2005
ACM
14 years 8 days ago
Acquisition and maintenance of constraints in engineering design
The Designers’ Workbench is a system, developed by the Advanced Knowledge Technologies (AKT) consortium to support designers in large organizations, such as RollsRoyce, by makin...
Suraj Ajit, Derek H. Sleeman, David W. Fowler, Dav...
OTM
2005
Springer
14 years 6 days ago
Semantics of Agent-Based Service Delegation and Alignment
In this paper we will concentrate on the conceptual modeling and semantics of service delegation and alignment in information systems. In delegation, one typically has the situatio...
Herman Balsters, G. B. Huitema, Nicolae B. Szirbik