17760 search results - page 3145 / 3552 » A Generalization of the Massey-Ding Algorithm |
174
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PODS
2006
ACM
16 years 7 months ago
2006
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
157
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PODS
2007
ACM
16 years 7 months ago
2007
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
198
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PODS
2007
ACM
16 years 7 months ago
2007
ACM
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...
194
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EDBT
2006
ACM
16 years 7 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
215
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ICIAP
2005
ACM
16 years 7 months ago
2005
ACM
Facial image analysis is very useful in many applications such as video compression, talking heads, or biometrics. During the last few years, many algorithms have been proposed in ...