242 search results - page 7 / 49 » Joining Interval Data in Relational Databases |
SSD
2001
Springer
13 years 12 months ago
2001
Springer
Intervals represent a fundamental data type for temporal, scientific, and spatial databases where time stamps and point data are extended to time spans and range data, respectively...
PODS
1999
ACM
13 years 11 months ago
1999
ACM
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
Many Geographic Information System (GIS) applications must handle large geospatial datasets stored in raster representation. Spatial joins over raster data are important queries i...
TKDE
2002
13 years 7 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
DEXA
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. The development of scalable parallel database systems requires the design of efficient algorithms for the join operation which is the most frequent and expensive operatio...