151 search results - page 19 / 31 » Materializing views with minimal size to answer queries |
109
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MDM
2010
Springer
15 years 4 months ago
2010
Springer
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...
SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
Literature on information integration across databases tacitly assumes that the data in each database can be revealed to the other databases. However, there is an increasing need ...
100
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DOLAP
2000
ACM
15 years 4 months ago
2000
ACM
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
167
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CIDR
2011
14 years 3 months ago
2011
A stream warehouse is a Data Stream Management System (DSMS) that stores a very long history, e.g. years or decades; or equivalently a data warehouse that is continuously loaded. ...
ADBIS
2009
Springer
14 years 9 months ago
2009
Springer
We consider the problem of selecting views and indexes that minimize the evaluation costs of the important queries under an upper bound on the disk space available for storing the ...