486 search results - page 35 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
223
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ICDE
2005
IEEE
16 years 2 months ago
2005
IEEE
Moving objects databases managing spatial objects with continuously changing position and extent over time have recently found large interest in the database community. Queries ab...
236
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ICDE
2001
IEEE
16 years 2 months ago
2001
IEEE
In this paper, we develop a general framework for approximate nearest neighbor queries. We categorize the current approaches for nearest neighbor query processing based on either ...
106
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SSDBM
2006
IEEE
15 years 7 months ago
2006
IEEE
We consider an environment where a subscription system continuously evaluates pattern-based requests over unbounded sequential data. We propose an extension of the traditional pat...
251
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GIS
2005
ACM
16 years 2 months ago
2005
ACM
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...
112
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ISI
2006
Springer
15 years 1 months ago
2006
Springer
Access control mechanisms are commonly used to provide control over who may access sensitive information. However, malicious users can exploit the correlation among the data and in...