2674 search results - page 253 / 535 » Data Models and Query Languages for Spatial Databases |
251
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SIGMOD
2012
ACM
13 years 9 months ago
2012
ACM
While extensive work has been done on evaluating queries over tuple-independent probabilistic databases, query evaluation over correlated data has received much less attention eve...
184
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EDBT
2004
ACM
16 years 6 months ago
2004
ACM
A location-based service (LBS) provides information based on the location information specified in a query. Nearest-neighbor (NN) search is an important class of queries supported ...
182
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GEOINFO
2003
15 years 8 months ago
2003
The integration among DW, OLAP and GIS has been given considerable attention in recent years by many researchers and industrial corporations. This may be a result of: 1) DW/OLAP ca...
254
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Book
A set of presentations covering the book, which includes the following topics ER Model and Conceptual Design, The Relational Model and SQL DDL, Relational Algebra, SQL, Database Ap...
182
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DAWAK
2001
Springer
15 years 11 months ago
2001
Springer
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...