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» Dynamic Range Query in Spatial Network Environments
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GIS
2009
ACM
14 years 2 months ago
Constrained reverse nearest neighbor search on mobile objects
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
WOWMOM
2009
ACM
143views Multimedia» more  WOWMOM 2009»
14 years 2 months ago
Improving partial cover of Random Walks in large-scale Wireless Sensor Networks
Random Walks (RWs) have been considered for information dissemination in large scale, dynamic and unstructured environments, as they are scalable, robust to topology changes and d...
Leonidas Tzevelekas, Ioannis Stavrakakis
GIS
2004
ACM
14 years 8 months ago
A serverless 3D world
Online multi-participant virtual-world systems have attracted significant interest from the Internet community but are hindered by their inability to efficiently support interacti...
Egemen Tanin, Aaron Harwood, Hanan Samet, Sarana N...
ICDE
2006
IEEE
201views Database» more  ICDE 2006»
14 years 9 months ago
Approximate Data Collection in Sensor Networks using Probabilistic Models
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...
David Chu, Amol Deshpande, Joseph M. Hellerstein, ...
GI
2009
Springer
13 years 5 months ago
An Improved Method for creating Shared Belief in Communication Constrained Sensor Networks
: Networked systems that gather sensor data in order to react to phenomena in their surroundings are faced with a growing need for adaptive behavior to operate in dynamically chang...
Eelke van Foeken, Peter Hiemstra, Leon Kester