171 search results - page 11 / 35 » Extending OLAP Querying to External Object Databases |
193
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract-- In sensor environments and moving robot applications, the position of an object is often known imprecisely because of measurement error and/or movement of the object. In...
111
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PODS
2004
ACM
15 years 9 months ago
2004
ACM
The Semantic Web is based on the idea of adding more machine-readable semantics to web information via annotations written in a language called the Resource Description Framework ...
ADBIS
2007
Springer
15 years 3 months ago
2007
Springer
Nowadays, ontologies are used in a lot of diverse research fields. They provide with the capability to describe a huge set of information contents. Therefore, several approaches f...
93
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COOPIS
2003
IEEE
15 years 2 months ago
2003
IEEE
This paper discusses some of the implications of introducing the dynamic object role concept into object-oriented metamodels on both implementational and conceptual modeling levels...
209
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Given a set of objects P and a query point q, a k nearest neighbor (k-NN) query retrieves the k objects in P that lie closest to q. Even though the problem is well-studied for sta...