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» Optimal location queries in road network databases
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PET
2010
Springer
13 years 9 months ago
Achieving Efficient Query Privacy for Location Based Services
Mobile smartphone users frequently need to search for nearby points of interest from a location based service, but in a way that preserves the privacy of the users' locations...
Femi G. Olumofin, Piotr K. Tysowski, Ian Goldberg,...
ICDCS
2007
IEEE
13 years 11 months ago
GeoGrid: A Scalable Location Service Network
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. ...
Jianjun Zhang, Gong Zhang, Ling Liu
DEXA
2006
Springer
137views Database» more  DEXA 2006»
13 years 11 months ago
CLEAR: An Efficient Context and Location-Based Dynamic Replication Scheme for Mobile-P2P Networks
We propose CLEAR (Context and Location-based Efficient Allocation of Replicas), a dynamic replica allocation scheme for improving data availability in mobile ad-hoc peer-to-peer (M...
Anirban Mondal, Sanjay Kumar Madria, Masaru Kitsur...
CIKM
2007
Springer
14 years 1 months ago
Optimizing parallel itineraries for knn query processing in wireless sensor networks
Spatial queries for extracting data from wireless sensor networks are important for many applications, such as environmental monitoring and military surveillance. One such query i...
Tao-Young Fu, Wen-Chih Peng, Wang-Chien Lee
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
14 years 7 months ago
Constrained Optimalities in Query Personalization
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...
Georgia Koutrika, Yannis E. Ioannidis