503 search results - page 60 / 101 » Applying Multiple Query Optimization in Mobile Databases |
135
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EDBT
2009
ACM
15 years 9 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
109
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DCOSS
2008
Springer
15 years 4 months ago
2008
Springer
Sensor networks can be viewed as large distributed databases, and SQL-like high-level declarative languages can be used for data and information retrieval. Energy constraints make ...
120
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CVPR
2004
IEEE
16 years 4 months ago
2004
IEEE
In this paper, we describe an approach to recognizing location from mobile devices using image-based web search. We demonstrate the usefulness of common image search metrics appli...
119
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VLDB
1997
ACM
15 years 6 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
124
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ICDCS
2005
IEEE
15 years 8 months ago
2005
IEEE
Database queries, in particular, event-driven continuous queries, are useful for many pervasive computing applications, such as video surveillance. In order to enable these applic...