27756 search results - page 243 / 5552 » Process Query Systems |
220
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VLDB
2006
ACM
17 years 2 months ago
2006
ACM
This paper tackles a major privacy concern in current location-based services where users have to continuously report their locations to the database server in order to obtain the ...
144
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ICDE
2010
IEEE
16 years 2 months ago
2010
IEEE
Uncertain data are inherent in many applications such as environmental surveillance and quantitative economics research. As an important problem in many applications, KNN query has...
133
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MDM
2007
Springer
15 years 9 months ago
2007
Springer
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...
113
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DCOSS
2008
Springer
15 years 5 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 ...
107
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WEBDB
2005
Springer
15 years 8 months ago
2005
Springer
Data fragmentation offers various attractive alternatives to organizing and managing data, and presents interesting characteristics that may be exploited for efficient processing...