251 search results - page 30 / 51 » Rewriting Aggregate Queries using Description Logic |
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
The ability to query data streams is of increasing importance and has been identified as a crucial element for modern organizations and agencies. This paper identifies a class o...
COSIT
1999
Springer
14 years 2 days ago
1999
Springer
We extend the theory about terminological default reasoning by using a logical base language that can represent spatioterminological phenomena. Based on this description logic lang...
CLEF
2008
Springer
13 years 9 months ago
2008
Springer
RAVE (Real-time Answer Validation Engine) is a logic-based answer validator/selector designed for real-time question answering. Instead of proving a hypothesis for each answer, RAV...
SEBD
2007
13 years 9 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Contemporary use of the term ’intension’ derives from the traditional logical doctrine that an idea has both an extension and an intension. In this paper we introduce an intens...