392 search results - page 34 / 79 » Optimal location queries in road network databases |
131
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SSDBM
2005
IEEE
15 years 6 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...
129
Voted
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
— In this paper1 we address the problem of processing continuous multi-join queries, over distributed data streams. Our approach makes use of existing work in the field of publi...
126
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ICDE
2005
IEEE
15 years 6 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
191
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VLDB
2007
ACM
16 years 21 days ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
218
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ICDE
2009
IEEE
16 years 2 months ago
2009
IEEE
The popularity of location-based services and the need to do real-time processing on them has led to an interest in performing queries on transportation networks, such as finding s...