5221 search results - page 841 / 1045 » An On-line Problem Database |
177
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ICDE
2007
IEEE
16 years 26 days ago
2007
IEEE
Increasingly large text datasets and the high dimensionality associated with natural language create a great challenge in text mining. In this research, a systematic study is cond...
146
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ICDE
2007
IEEE
16 years 26 days ago
2007
IEEE
Data stream methods look at each new item of the stream, perform a small number of operations while keeping a small amount of memory, and still perform muchneeded analyses. Howeve...
166
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CCS
2007
ACM
16 years 21 days ago
2007
ACM
In recent years, web applications have become tremendously popular, and nowadays they are routinely used in security-critical environments, such as medical, financial, and milita...
166
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CCS
2007
ACM
16 years 21 days ago
2007
ACM
Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...
190
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CIKM
2007
Springer
16 years 21 days ago
2007
Springer
Recently, due to its wide applications, subgraph search has attracted a lot of attention from database and data mining community. Sub-graph search is defined as follows: given a ...