2063 search results - page 128 / 413 » Containment of Aggregate Queries |
142
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DBPL
1997
Springer
15 years 8 months ago
1997
Springer
Abstract. Multidimensional databases are large collections of data, often historical, used for sophisticated analysis oriented to decision making. This activity is supported by an ...
151
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BDA
2001
15 years 5 months ago
2001
Community Web Portals (e.g., digital libraries, vertical aggregators, infomediaries) have become quite popular nowadays in supporting specific communities of interest on corporate...
134
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....
162
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CIDR
2011
14 years 8 months ago
2011
Amazon’s Mechanical Turk (“MTurk”) service allows users to post short tasks (“HITs”) that other users can receive a small amount of money for completing. Common tasks on...
232
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...