171 search results - page 11 / 35 » Extending OLAP Querying to External Object Databases |
ICDE
2009
IEEE
14 years 9 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...
PODS
2004
ACM
14 years 7 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
14 years 1 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...
COOPIS
2003
IEEE
14 years 19 days 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...
SIGMOD
2005
ACM
14 years 7 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...