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UML
2001
Springer
14 years 23 hour ago
On Querying UML Data Models with OCL
UML is the de-facto standard language for Object-Oriented analysis and design of information systems. Persistent storage and extraction of data in such systems is supported by dat...
David H. Akehurst, Behzad Bordbar
SIGMOD
2008
ACM
126views Database» more  SIGMOD 2008»
14 years 7 months ago
On efficient top-k query processing in highly distributed environments
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
EUROPAR
2006
Springer
13 years 11 months ago
Adding Dynamism to OGSA-DQP: Incorporating the DynaSOAr Framework in Distributed Query Processing
OGSA-DQP is a Distributed Query Processing system for the Grid. It uses the OGSA-DAI framework for querying individual databases and adds on top of it an infrastructure to perform ...
Arijit Mukherjee, Paul Watson
EDBTW
2004
Springer
14 years 1 months ago
Semantic Query Routing and Processing in P2P Database Systems: The ICS-FORTH SQPeer Middleware
Abstract. Peer-to-peer (P2P) computing is currently attracting enormous attention. In P2P systems a very large number of autonomous computing nodes (the peers) pool together their ...
Giorgos Kokkinidis, Vassilis Christophides
ICDE
2001
IEEE
141views Database» more  ICDE 2001»
14 years 9 months ago
Processing Queries with Expensive Functions and Large Objects in Distributed Mediator Systems
LeSelect is a mediator system which allows scientists to publish their resources (data and programs) so they can be transparently accessed. The scientists can typically issue quer...
Fabio Porto, Françoise Fabret, Luc Bouganim...