1860 search results - page 180 / 372 » A Model of Queries for Object-Oriented Databases |
131
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VLDB
1991
ACM
15 years 8 months ago
1991
ACM
In this paper we describe a rule-based approach to semantic specification that can be used to establish semantic agreement between a source and receiver. Query processing techniqu...
166
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VLDB
2005
ACM
15 years 10 months ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
177
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EDBT
2012
ACM
13 years 7 months ago
2012
ACM
The range searching problem is fundamental in a wide spectrum of applications such as radio frequency identification (RFID) networks, location based services (LBS), and global po...
291
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GIS
2006
ACM
16 years 5 months ago
2006
ACM
Remotely sensed data, in particular satellite imagery, play many important roles in environmental applications and models. In particular applications that study (rapid) changes in...
138
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CIKM
2009
Springer
15 years 9 months ago
2009
Springer
Answering queries using views is a well-established technique in databases. In this context, two outstanding problems can be formulated. The first one consists in deciding whethe...