712 search results - page 94 / 143 » Decoupled Query Optimization for Federated Database Systems |
104
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DEBU
2002
15 years 1 months ago
2002
An increasing number of business users and software applications need to process information that is accessible via multiple diverse information systems, such as database systems,...
131
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ADL
2000
Springer
15 years 6 months ago
2000
Springer
The goal of this work is to improve the accuracy (precision and recall) and communication effectiveness of a database system response to a user information request, by utilizing a...
123
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WWW
2008
ACM
16 years 2 months ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
We discuss the design of an acquisitional query processor for data collection in sensor networks. Acquisitional issues are those that pertain to where, when, and how often data is...
105
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SIGMOD
1996
ACM
15 years 6 months ago
1996
ACM
Scheduling query execution plans is an important component of query optimization in parallel database systems. The problem is particularly complex in a shared-nothing execution en...