83 search results - page 1 / 17 » Detecting Hotspots in Geographic Networks |
AGILE
2009
Springer
13 years 11 months ago
2009
Springer
We study a point pattern detection problem on networks, motivated by geographical analysis tasks, such as crime hotspot detection. Given a network N (for example, a street, train,...
SIGMOD
2010
ACM
13 years 4 months ago
2010
ACM
Histograms have been widely used for fast estimation of query result sizes in query optimization. In this paper, we propose a new histogram method, called the Skew-Tolerant Histog...
MOBISYS
2004
ACM
14 years 4 months ago
2004
ACM
ICDCS
2007
IEEE
13 years 8 months ago
2007
IEEE
This paper presents GeoGrid, a geographical location service overlay network system, for providing scalable location-based services to a large and growing number of mobile users. ...
DMSN
2005
ACM
13 years 6 months ago
2005
ACM
In the resource over-constrained environment of sensor networks, techniques for storing data locally in sensor nodes have been proposed to support efficient processing of adhoc qu...