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ICIP
2003
IEEE
16 years 8 months ago
Hierarchical segmentation via a diffusion scheme in color/texture feature space
This paper presents a segmentation scheme for images containing both smooth regions and textures. It is based on a vector-valued anisotropic diffusion on a combined color/Gabor fe...
Iris Vanhamel, Antonis Katartzis, Hichem Sahli
WWW
2008
ACM
16 years 7 months ago
A logical framework for modeling and reasoning about semantic web services contract
In this paper, we incorporate concrete domain and action theory into a very expressive Description Logic (DL), called ALCQO. Notably, this extension can significantly augment the ...
Hai Liu, Qing Li, Naijie Gu, An Liu
WWW
2008
ACM
16 years 7 months ago
Towards robust trust establishment in web-based social networks with socialtrust
We propose the SocialTrust framework for tamper-resilient trust establishment in online social networks. Two of the salient features of SocialTrust are its dynamic revision of tru...
James Caverlee, Ling Liu, Steve Webb
PODC
2009
ACM
16 years 1 months ago
Brief announcement: new bounds for the controller problem
The (M, W)-controller, originally studied by Afek, Awerbuch, Plotkin, and Saks, is a basic distributed tool that an abstraction for managing the consumption of a global resource i...
Yuval Emek, Amos Korman
ICC
2009
IEEE
117views Communications» more  ICC 2009»
16 years 1 months ago
Two Phase Spectrum Sharing for Frequency-Agile Radio Networks
Abstract—Modern frequency-agile radios are capable of dynamically changing the spectrum width and central frequency of its channels. Existing spectrum sharing algorithms often fa...
Zhenhua Feng, Yaling Yang