444 search results - page 25 / 89 » Instance optimal query processing in spatial networks |
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...
SIGMOD
2010
ACM
14 years 27 days ago
2010
ACM
Fast query processing of complex objects, e.g. spatial or uncertain objects, depends on efficient spatial pruning of the objects’ approximations, which are typically minimum bou...
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...
MIDDLEWARE
2005
Springer
14 years 1 months ago
2005
Springer
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
MDM
2010
Springer
14 years 26 days ago
2010
Springer
—Range query processing is an important technology in spatial databases. Current studies mainly focus on range queries in outdoor space based on the Euclidean or network distance...