3514 search results - page 200 / 703 » On Moving Object Queries |
250
Voted
ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
138
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DIS
2009
Springer
16 years 25 days ago
2009
Springer
The promotion analysis problem has been proposed in [16], where ranking-based promotion query processing techniques are studied to effectively and efficiently promote a given obje...
169
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JVA
2006
IEEE
16 years 8 days ago
2006
IEEE
In this paper, we will introduce to describe learning resources by using ontology model based on metadata of learning standard as Sharable Content Object Reference Model (SCORM) a...
326
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ICDE
2001
IEEE
16 years 7 months ago
2001
IEEE
We investigate query routing techniques in a cluster of databases for a query-dominant environment. The objective is to decrease query response time. Each component of the cluster...
181
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
With the emergence of applications that require content-based similarity retrieval, techniques to support such a retrieval paradigm over database systems have emerged as a critica...