3047 search results - page 409 / 610 » Aggregation functions: Means |
126
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
120
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VLDB
1997
ACM
15 years 8 months ago
1997
ACM
Data is often stored in summarized form, as a histogram of aggregates (COUNTs, SUMs, or AVeraGes) over speci ed ranges. We study how to estimate the original detail data from the ...
194
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COBUILD
1998
Springer
15 years 8 months ago
1998
Springer
Abstract. As the amount of information and communication increases dramatically new working environments must provide efficient mechanisms to maximize the benefits of these develop...
130
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ATAL
2007
Springer
15 years 8 months ago
2007
Springer
Merging operators try to define the beliefs of a group of agents according to the beliefs of each member of the group. Several model-based propositional belief merging operators h...
134
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ELPUB
2007
ACM
15 years 8 months ago
2007
ACM
The principal aim of Project StORe is to provide middleware that will enable bi-directional links between source repositories of research data and the output repositories containi...