4955 search results - page 805 / 991 » Multiple Pattern Databases |
SIGMOD
2003
ACM
15 years 10 months ago
2003
ACM
The skyline of a set of d-dimensional points contains the points that are not dominated by any other point on all dimensions. Skyline computation has recently received considerabl...
SIGMOD
2002
ACM
15 years 10 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
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PODS
2004
ACM
15 years 10 months ago
2004
ACM
The problem of disk declustering is to distribute data among multiple disks to reduce query response times through parallel I/O. A strictly optimal declustering technique is one t...
EDBT
2006
ACM
15 years 10 months ago
2006
ACM
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
EDBT
2006
ACM
15 years 10 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...