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» Continuous spatial assignment of moving users
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VLDB
2010
ACM
127views Database» more  VLDB 2010»
13 years 3 months ago
Continuous spatial assignment of moving users
Leong Hou U, Kyriakos Mouratidis, Nikos Mamoulis
SSDBM
2008
IEEE
177views Database» more  SSDBM 2008»
13 years 11 months ago
Prioritized Evaluation of Continuous Moving Queries over Streaming Locations
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
Kostas Patroumpas, Timos K. Sellis
GIS
2008
ACM
14 years 6 months ago
Monitoring continuous queries over streaming locations
We report on our experience from design and implementation of a powerful map application for managing, querying and visualizing evolving locations of moving objects. Instead of bu...
Kostas Patroumpas, Evi Kefallinou, Timos K. Sellis
VLDB
2009
ACM
381views Database» more  VLDB 2009»
14 years 4 months ago
Lazy Updates: An Efficient Technique to Continuously Monitoring Reverse kNN
In this paper, we study the problem of continuous monitoring of reverse k nearest neighbor queries. Existing continuous reverse nearest neighbor monitoring techniques are sensitive...
Muhammad Aamir Cheema, Xuemin Lin, Ying Zhang, Wei...
MOBIDE
2010
ACM
13 years 5 months ago
Direction-based spatial skylines
Traditional location-based services recommend nearest objects to the user by considering their spatial proximity. However, an object not only has its distance but also has its dir...
Xi Guo, Yoshiharu Ishikawa, Yunjun Gao