829 search results - page 65 / 166 » Location-aware Query Processing and Optimization |
SSD
2001
Springer
14 years 2 months ago
2001
Springer
Several studies have focused on the efficient processing of simple spatial query types such as selections and spatial joins. Little work, however, has been done towards the optimiz...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
ICEBE
2005
IEEE
14 years 3 months ago
2005
IEEE
Electronic commerce is emerging as a major application area for database systems. A large number of e-commerce stores provide electronic product catalogs that allow customers to s...
ICDE
2003
IEEE
14 years 11 months ago
2003
IEEE
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
The continuous intersection join query is computationally expensive yet important for various applications on moving objects. No previous study has particularly addressed this que...