799 search results - page 21 / 160 » Query Brokers for Distributed and Flexible Query Evaluation |
CSFW
2004
IEEE
15 years 3 months ago
2004
IEEE
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
112
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ISCI
2006
14 years 11 months ago
2006
Management and analysis of streaming data has become crucial with its applications in web, sensor data, network traffic data, and stock market. Data streams consist of mostly nume...
103
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ICPADS
2008
IEEE
15 years 6 months ago
2008
IEEE
Existing solutions for top-k queries in wireless sensor networks mainly focused on energy efficiency and little attention has been paid to the response time to answer a top-k que...
183
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
Aggregate measures summarizing subsets of data are valuable in exploratory analysis and decision support, especially when dependent aggregations can be easily specified and compute...
IS
2006
14 years 11 months ago
2006
As XML documents contain both content and structure information, taking advantage of the document structure in the retrieval process can lead to better identify relevant informati...