63 search results - page 2 / 13 » Demonstration of a Peer-to-Peer Approach for Spatial Queries |
ISCI
2007
13 years 7 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...
TMC
2008
13 years 7 months ago
2008
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with the...
GEOS
2009
Springer
14 years 2 days ago
2009
Springer
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract-- This work presents a novel index structure, MHRtree, for efficiently answering approximate string match queries in large spatial databases. The MHR-tree is based on the ...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision-making, reasoning, and analysis. Raw input about un...