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JCM
2007
145views more  JCM 2007»
15 years 4 months ago
HealthGear: Automatic Sleep Apnea Detection and Monitoring with a Mobile Phone
— We present HealthGear, a real-time wearable system for monitoring, visualizing and analyzing physiological signals. HealthGear consists of a set of non-invasive physiological s...
Nuria Oliver, Fernando Flores-Mangas
JCO
2007
113views more  JCO 2007»
15 years 4 months ago
Recent progress in mathematics and engineering on optimal graph labellings with distance conditions
The problem of radio channel assignments with multiple levels of interference can be modelled using graph theory. The theory of integer vertex-labellings of graphs with distance c...
Jerrold R. Griggs, Xiaohua Teresa Jin
JCO
2007
80views more  JCO 2007»
15 years 4 months ago
The wireless network jamming problem
In adversarial environments, disabling the communication capabilities of the enemy is a high priority. We introduce the problem of determining the optimal number and locations for ...
Clayton W. Commander, Panos M. Pardalos, Valeriy R...
JGT
2007
112views more  JGT 2007»
15 years 4 months ago
The 2-dimensional rigidity of certain families of graphs
Laman’s characterization of minimally rigid 2-dimensional generic frameworks gives a matroid structure on the edge set of the underlying graph, as was first pointed out and expl...
Bill Jackson, Brigitte Servatius, Herman Servatius
JNCA
2007
126views more  JNCA 2007»
15 years 4 months ago
Usage derived recommendations for a video digital library
We describe a minimalist methodology to develop usage-based recommender systems for multimedia digital libraries. A prototype recommender system based on this strategy was impleme...
Johan Bollen, Michael L. Nelson, Gary Geisler, Raq...