266 search results - page 17 / 54 » On first-order topological queries |
MOBIHOC
2003
ACM
14 years 7 months ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Monitoring extreme values (MAX or MIN) is a fundamental problem in wireless sensor networks (and in general, complex dynamic systems). This problem presents very different algorit...
GEOINFORMATICA
2008
13 years 7 months ago
2008
Topological relationships like overlap, inside, meet, and disjoint uniquely characterize the relative position between objects in space. For a long time, they have been a focus of...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Several application contexts require the ability to use together and compare different geographic datasets (maps) concerning the same or overlapping areas. This is for example the...
GIS
2010
ACM
13 years 6 months ago
2010
ACM
Reasoning about space has been a considerable field of study both in Artificial Intelligence and in spatial information theory. Many applications benefit from the inference of ...