136 search results - page 18 / 28 » Query optimizer for spatial join operations |
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Research in modeling and querying spatial data has primarily focused on traditional "crisp" spatial objects with exact location and spatial extent. More recent work, how...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...
BTW
2003
Springer
14 years 1 months ago
2003
Springer
Abstract: Optimization of nested queries, in particular finding equivalent “flattened” queries for queries that employ the SQL sub-query construct, has been researched extensiv...