4124 search results - page 251 / 825 » Improved Algorithms for Data Migration |
138
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DMDW
2000
15 years 5 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
120
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DCC
2003
IEEE
16 years 4 months ago
2003
IEEE
The Prediction by Partial Matching (PPM) algorithm uses a cumulative frequency count of input symbols in different contexts to estimate their probability distribution. Excellent c...
144
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SODA
2000
ACM
15 years 5 months ago
2000
ACM
We describe a new external memory data structure, the buffered repository tree, and use it to provide the first non-trivial external memory algorithm for directed breadth-first se...
161
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WISE
2002
Springer
15 years 9 months ago
2002
Springer
The need of using spatial vector data for web-based and mobile applications has been increasing rapidly. Vector spatial data is difficult to generalise (that is, to derive a suita...
152
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PR
2007
15 years 4 months ago
2007
In relevance feedback algorithms, selective sampling is often used to reduce the cost of labeling and explore the unlabeled data. In this paper, we proposed an active learning alg...