2223 search results - page 55 / 445 » Query Optimization in an OODBMS |
183
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SIGMOD
2006
ACM
15 years 12 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
125
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SSDBM
2005
IEEE
15 years 5 months ago
2005
IEEE
The widespread use of sensor networks in scientific and engineering applications leads to increased demand on the efficient computation of the collected sensor data. Recent rese...
DBISP2P
2005
Springer
15 years 5 months ago
2005
Springer
In this work we address the issue of efficient processing of range queries in DHT-based P2P data networks. The novelty of the proposed approach lies on architectures, algorithms, ...
117
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SEMWEB
2009
Springer
15 years 4 months ago
2009
Springer
Scalable query answering over Description Logic (DL) based ontologies plays an important role for the success of the Semantic Web. Towards tackling the scalability problem, we prop...
109
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SIGMOD
2011
ACM
14 years 2 months ago
2011
ACM
Scheduling data processing workflows (dataflows) on the cloud is a very complex and challenging task. It is essentially an optimization problem, very similar to query optimizati...