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CIKM
2010
Springer
13 years 9 months ago
Query optimization for ontology-based information integration
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
Yingjie Li, Jeff Heflin
ICFP
2010
ACM
13 years 12 months ago
Instance chains: type class programming without overlapping instances
Type classes have found a wide variety of uses in Haskell programs, from simple overloading of operators (such as equality or ordering) to complex invariants used to implement typ...
J. Garrett Morris, Mark P. Jones
JODL
2000
123views more  JODL 2000»
13 years 10 months ago
On Z39.50 wrapping and description logics
Z39.50 is a client/server protocol widely used in digital libraries and museums for searching and retrieving information spread over a number of heterogeneous sources. To overcome ...
Yannis Velegrakis, Vassilis Christophides, Panos C...
SEMWEB
2005
Springer
14 years 4 months ago
An Ontological Framework for Dynamic Coordination
Abstract. Coordination is the process of managing the possible interactions between activities and processes; a mechanism to handle such interactions is known as a coordination reg...
Valentina A. M. Tamma, Chris van Aart, Thierry Moy...
BXML
2004
14 years 8 days ago
Subject Identification in Topic Maps in Theory and Practice
: If Topic Maps should be exchanged in distributed environments a common semantic problem occurs: Do two Topics refer to the same Subject? If they describe the same Subject the giv...
Lutz Maicher