3319 search results - page 598 / 664 » Type Theoretical Databases |
132
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CIKM
2000
Springer
15 years 5 months ago
2000
Springer
—As databases increasingly integrate different types of information such as multimedia, spatial, time-series, and scientific data, it becomes necessary to support efficient retri...
126
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DEXA
2000
Springer
15 years 5 months ago
2000
Springer
Abstract. Bitmap indices are popular multi-dimensional data structures for accessing read-mostly data such as data warehouse (DW) applications, decision support systems (DSS) and o...
115
Voted
SIGMOD
1997
ACM
15 years 5 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
119
Voted
SIGMOD
1994
ACM
15 years 5 months ago
1994
ACM
Spatial joins are one of the most important operations for combining spatial objects of several relations. In this paper, spatial join processing is studied in detail for extended...
111
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VLDB
1994
ACM
15 years 5 months ago
1994
ACM
A new type of optimization, called predicate move-around, ia introduced. It is shown how this optimization `considerably improvea the efficiency of evaluating SQL queries that hav...