112 search results - page 18 / 23 » A Unified Algorithm for Continuous Monitoring of Spatial Que... |
DMSN
2004
ACM
14 years 1 months ago
2004
ACM
Wireless sensor networks consist of nodes with the ability to measure, store, and process data, as well as to communicate wirelessly with nodes located in their wireless range. Us...
AUTONOMICS
2008
ACM
13 years 9 months ago
2008
ACM
A prominent functionality of a Wireless Sensor Network (WSN) is environmental monitoring. For this purpose the WSN creates a model for the real world by using abstractions to pars...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Moving objects databases managing spatial objects with continuously changing position and extent over time have recently found large interest in the database community. Queries ab...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
SDM
2007
SIAM
13 years 9 months ago
2007
SIAM
An increasing amount of data is produced in the form of text streams − these can be RSS news feeds, TV closed captions, emails, etc. We study the problem of answering keyword qu...