2724 search results - page 263 / 545 » Optimizing Queries on Files |
161
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
150
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SIGMOD
2010
ACM
15 years 9 months ago
2010
ACM
The K-Nearest Neighbor search (kNN) problem has been investigated extensively in the past due to its broad range of applications. In this paper we study this problem in the contex...
166
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CIKM
2011
Springer
14 years 4 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
114
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HICSS
2009
IEEE
15 years 11 months ago
2009
IEEE
In the United States, congress has set goals for the diffusion of e-government initiatives. One of congressÂ’ goals for 2007 was for 80% of tax and informational returns to be fil...
133
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DEXAW
2006
IEEE
15 years 10 months ago
2006
IEEE
This paper investigates the architecture and design of agent-based sensor networks for petroleum offshore monitoring. A few challenges to monitor the reservoir, wellbore and wellh...