485 search results - page 40 / 97 » Processing complex aggregate queries over data streams |
109
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SIGMOD
1997
ACM
15 years 4 months ago
1997
ACM
Data warehouses contain large amounts of information, often collected from a variety of independent sources. Decision-support functions in a warehouse, such as on-line analytical ...
93
Voted
DMDW
2000
15 years 1 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...
130
Voted
SIGMOD
2011
ACM
14 years 3 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
113
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MDM
2007
Springer
15 years 6 months ago
2007
Springer
Several window constructs are usually specified in continuous queries over data streams as a means of limiting the amount of data processed each time and thus providing real-time...
120
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VLDB
2004
ACM
15 years 5 months ago
2004
ACM
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...