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INFOCOM
2008
IEEE
16 years 13 days ago
On the Levy-Walk Nature of Human Mobility
—We report that human walks performed in outdoor settings of tens of kilometers resemble a truncated form of Levy walks commonly observed in animals such as monkeys, birds and ja...
Injong Rhee, Minsu Shin, Seongik Hong, Kyunghan Le...
TASLP
2008
131views more  TASLP 2008»
15 years 6 months ago
A Noise-Robust FFT-Based Auditory Spectrum With Application in Audio Classification
In this paper, we investigate the noise robustness of Wang and Shamma's early auditory (EA) model for the calculation of an auditory spectrum in audio classification applicati...
Wei Chu, B. Champagne
IPSN
2007
Springer
16 years 5 days ago
Object tracking in the presence of occlusions via a camera network
This paper describes a sensor network approach to tracking a single object in the presence of static and moving occluders using a network of cameras. To conserve communication ban...
Ali Ozer Ercan, Abbas El Gamal, Leonidas J. Guibas
SIGIR
2004
ACM
15 years 11 months ago
A formal study of information retrieval heuristics
Empirical studies of information retrieval methods show that good retrieval performance is closely related to the use of various retrieval heuristics, such as TF-IDF weighting. On...
Hui Fang, Tao Tao, ChengXiang Zhai
STOC
1993
ACM
264views Algorithms» more  STOC 1993»
15 years 10 months ago
Contention in shared memory algorithms
Most complexity measures for concurrent algorithms for asynchronous shared-memory architectures focus on process steps and memory consumption. In practice, however, performance of ...
Cynthia Dwork, Maurice Herlihy, Orli Waarts