26 search results - page 1 / 6 » Cost modeling of spatial operators using non-parametric regr... |
ISCI
2007
13 years 4 months ago
2007
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
GEOINFO
2003
13 years 6 months ago
2003
One of the main challenges for the development of spatial information theory is the formalization of the concepts of space and spatial relations. Currently, most spatial data struc...
VLDB
2005
ACM
13 years 10 months ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
IWMM
2009
Springer
13 years 11 months ago
2009
Springer
Good spatial locality alleviates both the latency and bandwidth problem of memory by boosting the effect of prefetching and improving the utilization of cache. However, convention...
PODS
1999
ACM
13 years 9 months ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...