2724 search results - page 127 / 545 » Optimizing Queries on Files |
136
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CCGRID
2008
IEEE
15 years 5 months ago
2008
IEEE
This paper presents the design and implementation of a new file system independent collective I/O optimization based on file views: view-based collective I/O. View-based collective...
205
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SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
160
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EDBTW
2006
Springer
15 years 7 months ago
2006
Springer
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...
217
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ICDE
2007
IEEE
16 years 4 months ago
2007
IEEE
Skyline query processing has been investigated extensively in recent years, mostly for only one query reference point. An example of a single-source skyline query is to find hotel...
141
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ICDE
2006
IEEE
15 years 9 months ago
2006
IEEE
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...