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PERCOM
2004
ACM
15 years 9 months ago
Supporting Persistent Social Groups in Ubiquitous Computing Environments Using Context-Aware Ephemeral Group Service
In this paper, we analyze the role of the social group in a Ubiquitous Computing (Ubicomp) environment as a source of contextual information. A model is presented to address the s...
Bin Wang, John Bodily, Sandeep K. S. Gupta
ISCAS
2005
IEEE
134views Hardware» more  ISCAS 2005»
15 years 3 months ago
Heap charge pump optimisation by a tapered architecture
- The heap charge pump represents an attractive voltage multiplier scheme in integrated circuits where only low-voltage devices are available. This paper presents a performance opt...
R. Arona, Edoardo Bonizzoni, Franco Maloberti, Gui...
IWDW
2005
Springer
15 years 3 months ago
On the Achievable Rate of Side Informed Embedding Techniques with Steganographic Constraints
The development of watermarking schemes in the literature is generally guided by a power constraint on the watermark to be embedded into the host. In a steganographic framework the...
Mark T. Hogan, Félix Balado, Neil J. Hurley...
ICRA
2000
IEEE
147views Robotics» more  ICRA 2000»
15 years 2 months ago
Chaos Dynamics in the Trajectory Control of Redundant Manipulators
Several kinematic control algorithms for redundant manipulators adopt generalized inverse matrices. In this line of thought, the generalized inverse control scheme is tested throu...
Fernando B. M. Duarte, José António ...
EDBT
2009
ACM
133views Database» more  EDBT 2009»
15 years 4 months ago
Multiplicative synopses for relative-error metrics
Existing hierarchical summarization techniques fail to provide synopses good in terms of relative-error metrics. This paper introduces multiplicative synopses: a summarization par...
Panagiotis Karras