6660 search results - page 246 / 1332 » Data Analysis for Query Processing |
160
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DOOD
1995
Springer
15 years 10 months ago
1995
Springer
Abstract. Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigi...
310
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
In many applications, we need to analyze a large number of time series. Segments of time series demonstrating dominating advantages over others are often of particular interest. In...
183
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In ...
168
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
We perform a theoretical study of the following queryview security problem: given a view V to be published, does V logically disclose information about a confidential query S? The...
169
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PVLDB
2010
15 years 1 months ago
2010
Database evolution is the process of updating the schema of a database or data warehouse (schema evolution) and evolving the data to the updated schema (data evolution). Database ...