251 search results - page 36 / 51 » Rewriting Aggregate Queries using Description Logic |
SIGIR
1998
ACM
14 years 14 hour ago
1998
ACM
We describe the design and implementation of a system for logic-based multimedia retrieval. As highlevel logic for retrieval of hypermedia documents, we have developed a probabilis...
JOT
2007
13 years 7 months ago
2007
Agents Interaction Protocols (AIPs) play a crucial role in multi-agents systems development. They allow specifying sequences of messages between agents. Major proposed protocols s...
PVLDB
2010
13 years 6 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
DAWAK
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. A federated data warehouse is a logical integration of data warehouses applicable when physical integration is impossible due to privacy policy or legal restrictions. In ...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
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 ...