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MOBISYS
2011
ACM
13 years 25 days ago
Indoor location sensing using geo-magnetism
We present an indoor positioning system that measures location using disturbances of the Earth's magnetic field caused by structural steel elements in a building. The presenc...
Jaewoo Chung, Matt Donahoe, Chris Schmandt, Ig-Jae...
CODASPY
2012
12 years 5 months ago
Comparison-based encryption for fine-grained access control in clouds
Access control is one of the most important security mechanisms in cloud computing. However, there has been little work that explores various comparison-based constraints for regu...
Yan Zhu, Hongxin Hu, Gail-Joon Ahn, Mengyang Yu, H...
ICA
2004
Springer
14 years 3 months ago
Blind Separation of Nonstationary Sources by Spectral Decorrelation
Abstract. This paper demonstrates and exploits some interesting frequency-domain properties of nonstationary signals. Considering these properties, two new methods for blind separa...
Shahram Hosseini, Yannick Deville
CONCUR
1998
Springer
14 years 2 months ago
It's About Time: Real-Time Logics Reviewed
Abstract. We summarize and reorganize some of the last decade's research on real-time extensions of temporal logic. Our main focus is on tableau constructions for model checki...
Thomas A. Henzinger
ECOOP
1993
Springer
14 years 2 months ago
A Timed Calculus for Distributed Objects with Clocks
This paper proposes a formalism for reasoning about distributed object-oriented computations. The formalism is an extension of Milner’s CCS with the notion of local time. It allo...
Ichiro Satoh, Mario Tokoro