2771 search results - page 444 / 555 » Locality of Queries and Transformations |
167
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
176
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PODS
2006
ACM
16 years 6 months ago
2006
ACM
Finding icebergs ? items whose frequency of occurrence is above a certain threshold ? is an important problem with a wide range of applications. Most of the existing work focuses ...
189
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CVPR
2010
IEEE
16 years 2 months ago
2010
IEEE
A novel method for crowd flow modeling and anomaly detection is proposed for both coherent and incoherent scenes. The novelty is revealed in three aspects. First, it is a unique ut...
147
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DEXA
2004
Springer
15 years 11 months ago
2004
Springer
Data integration is the process that gives users access to multiple data sources though queries against a global schema. Semantic heterogeneity has been identified as the most imp...
165
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SIGMOD
1996
ACM
15 years 10 months ago
1996
ACM
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...