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» Indexing of Moving Objects for Location-Based Services
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SIGMOD
2010
ACM
267views Database» more  SIGMOD 2010»
14 years 7 days ago
Processing proximity relations in road networks
Applications ranging from location-based services to multi-player online gaming require continuous query support to monitor, track, and detect events of interest among sets of mov...
Zhengdao Xu, Hans-Arno Jacobsen
GIS
2008
ACM
14 years 8 months ago
Privacy: preserving trajectory collection
In order to provide context?aware Location?Based Services, real location data of mobile users must be collected and analyzed by spatio?temporal data mining methods. However, the d...
Gyözö Gidófalvi, Torben Bach Pede...
MM
2005
ACM
141views Multimedia» more  MM 2005»
14 years 1 months ago
SEVA: sensor-enhanced video annotation
In this paper, we study how a sensor-rich world can be exploited by digital recording devices such as cameras and camcorders to improve a user’s ability to search through a larg...
Xiaotao Liu, Mark D. Corner, Prashant J. Shenoy
GIS
2004
ACM
14 years 8 months ago
Energy efficient exact kNN search in wireless broadcast environments
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
Bugra Gedik, Aameek Singh, Ling Liu
VLDB
2008
ACM
147views Database» more  VLDB 2008»
14 years 7 months ago
Tree-based partition querying: a methodology for computing medoids in large spatial datasets
Besides traditional domains (e.g., resource allocation, data mining applications), algorithms for medoid computation and related problems will play an important role in numerous e...
Kyriakos Mouratidis, Dimitris Papadias, Spiros Pap...