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GIS
2010
ACM
13 years 9 months ago
Reverse k-Nearest Neighbor monitoring on mobile objects
In this paper we focus on the problem of continuously monitoring the set of Reverse k-Nearest Neighbors (RkNNs) of a query object in a moving object database using a client server...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
AGENTS
1999
Springer
14 years 3 months ago
Personal Navigating Agents
The World Wide Web provides a huge distributed web database. However, information in the web database is free formatted and unorganized. Traditional keyword-based retrieval approa...
H. L. Wang, W. K. Shih, C. N. Hsu, Y. S. Chen, Y. ...
ADC
2009
Springer
141views Database» more  ADC 2009»
14 years 5 months ago
Event-based Communication for Location-based Service Collaboration
Location-based context-aware services for mobile users need to collaborate in disparate networks. Services come and go as the user moves and no central repository is available. Th...
Annika Hinze, Yann Michel, Lisa Eschner
MOBISYS
2007
ACM
14 years 10 months ago
Rendezvous-based access control for medical records in the pre-hospital environment
We present rendezvous-based access control for access control in the pre-hospital environment. Rendezvous-based access control is a simple cryptographic access control method that...
Feike W. Dillema, Simone Lupetti
PERCOM
2006
ACM
14 years 10 months ago
Context and Location-Aware Encryption for Pervasive Computing Environments
Pervasive computing promises to revolutionize computing, empower mobile users, and enhance mobility, customizability and adaptability of computing environments. Intrinsic to the n...
Jalal Al-Muhtadi, Raquel L. Hill, Roy H. Campbell,...