721 search results - page 57 / 145 » Supporting top-k join queries in relational databases |
188
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
155
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
PVLDB
2010
14 years 8 months ago
2010
Applications from several domains are now being written to process live data originating from hardware and softwarebased streaming sources. Many of these applications have been wr...
AMW
2009
14 years 11 months ago
2009
Conventional operators for data retrieval are either based on exact matching or on total order relationship among elements. Neither of them is appropriate to manage complex data, s...
BTW
2003
Springer
2003
Springer
Transbase: a Leading-edge ROLAP Engine Supporting Multidimensional Indexing and Hierarchy Clustering
15 years 3 months ago
: Analysis-oriented database applications, such as data warehousing or customer relationship management, play a crucial role in the database area. In general, the multidimensional ...