964 search results - page 31 / 193 » Efficiently Ordering Query Plans for Data Integration |
181
Voted
EDBT
2008
ACM
16 years 4 months ago
2008
ACM
Recently, many new applications, such as sensor data monitoring and mobile device tracking, raise up the issue of uncertain data management. Compared to "certain" data, ...
116
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CGF
2004
15 years 4 months ago
2004
We present a simple but powerful algorithm for optimizing the usage of hardware occlusion queries in arbitrary complex scenes. Our method minimizes the number of issued queries an...
156
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
223
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
There has been a great deal of interest in the past few years on ranking of results of queries on structured databases, including work on probabilistic information retrieval, rank...
238
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...