293 search results - page 24 / 59 » Efficiently Querying Relational Databases Using OWL and SWRL |
WWW
2007
ACM
16 years 11 days ago
2007
ACM
As the data and ontology layers of the Semantic Web stack have achieved a certain level of maturity in standard recommendations such as RDF and OWL, the current focus lies on two ...
VLDB
1989
ACM
15 years 3 months ago
1989
ACM
An important direction in database research for non-standard applications (e.g. engineering or design applications) deals with adequate support for complex objects. Without doubt,...
190
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one uses the no...
180
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
In this paper, we address the problem of extending a relational database system to facilitate efficient real-time application of dynamic probabilistic models to streaming data. he ...
FGCS
2000
14 years 11 months ago
2000
This paper focuses on parallel query optimization. We consider the operator problem and introduce a new class of execution strategies called Linear-Oriented Bushy Trees (LBTs). Co...