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ICIP
2008
IEEE
16 years 6 months ago
Layered wireless video multicast using directional relays
In this paper, we explore the use of directional antennas in relay transmission to improve the performance of video multicast with omni-directional relays in infrastructurebased wi...
Ozgu Alay, Thanasis Korakis, Yao Wang, Shivendra S...
ICASSP
2008
IEEE
15 years 10 months ago
Layered wireless video multicast using omni-directional relays
— Wireless video multicast enables delivery of popular events to many wireless users in a bandwidth efficient manner. However, providing good and stable video quality to a large...
Ozgu Alay, Thanasis Korakis, Yao Wang, Elza Erkip,...
ARCS
2004
Springer
15 years 9 months ago
Implementation and Evaluation of a Parallel-External Algorithm for Cycle Structure Computation on a PC-Cluster
Abstract: We report on our experiences with the implementation of a parallel algorithm to compute the cycle structure of a permutation given as an oracle. As a sub-problem, the cyc...
Latifa Boursas, Jörg Keller
WG
2004
Springer
15 years 9 months ago
Treelike Comparability Graphs: Characterization, Recognition, and Applications
An undirected graph is a treelike comparability graph if it admits a transitive orientation such that its transitive reduction is a tree. We show that treelike comparability graphs...
Sabine Cornelsen, Gabriele Di Stefano
ICDE
2010
IEEE
209views Database» more  ICDE 2010»
15 years 9 months ago
Overlapping Community Search for social networks
— Finding decompositions of a graph into a family of clusters is crucial to understanding its underlying structure. While most existing approaches focus on partitioning the nodes...
Arnau Padrol-Sureda, Guillem Perarnau-Llobet, Juli...