383 search results - page 4 / 77 » Join operations in temporal databases |
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
The increasing use of temporal and spatial data in presentday relational systems necessitates an efficient support of joins on interval-valued attributes. Standard join algorithms...
DEXAW
1999
IEEE
15 years 1 months ago
1999
IEEE
We propose an object-oriented framework for one of the most frequent and costly operations in parallel database systems: the parallel join. The framework independently captures a ...
SIGMOD
1998
ACM
15 years 1 months ago
1998
ACM
Two new spatial join operations, distance join and distance semijoin, are introduced where the join output is ordered by the distance betweenthe spatialattribute values ofthe join...
102
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ICDM
2002
IEEE
15 years 2 months ago
2002
IEEE
The similarity join has become an important database primitive to support similarity search and data mining. A similarity join combines two sets of complex objects such that the r...
150
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GIS
2006
ACM
15 years 10 months ago
2006
ACM
This paper presents a query optimizer module based on cost estimation that chooses the best filtering step algorithm to perform a specific spatial join operation. A set of express...