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CCS
2007
ACM
16 years 20 days ago
Preserving privacy in gps traces via uncertainty-aware path cloaking
Motivated by a probe-vehicle based automotive traffic monitoring system, this paper considers the problem of guaranteed anonymity in a dataset of location traces while maintainin...
Baik Hoh, Marco Gruteser, Hui Xiong, Ansaf Alrabad...
CIKM
2007
Springer
16 years 20 days 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
ANSS
2006
IEEE
16 years 17 days ago
Grid-Boxing for Spatial Simulation Performance Optimisation
— Computer simulations of complex systems such as physical aggregation processes or swarming and collective behaviour of life-forms, often require order N-squared computational c...
Kenneth A. Hawick, Heath A. James, C. J. Scogings
IFIP
2005
Springer
15 years 12 months ago
Type-Based Distributed Access Control vs. Untyped Attackers
This paper considers the effect of untyped attackers inside a distributed system where security is enforced by the type system. In previous work we introduced the Key-Based Decentr...
Tom Chothia, Dominic Duggan
SC
2004
ACM
15 years 12 months ago
Big Wins with Small Application-Aware Caches
Large datasets, on the order of GB and TB, are increasingly common as abundant computational resources allow practitioners to collect, produce and store data at higher rates. As d...
Julio C. López, David R. O'Hallaron, Tianka...