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SIAMCO
2008
161views more  SIAMCO 2008»
14 years 9 months ago
Controllability and Observability of Second Order Descriptor Systems
We analyze controllability and observability conditions for second order descriptor systems and show how the classical conditions for first order systems can be generalized to this...
Philip Losse, Volker Mehrmann
SIGMETRICS
2008
ACM
14 years 9 months ago
Joint rate-and-power allocation for multi-channel spectrum sharing networks
abstract, we propose a study on joint rate-and-power allocation problem for multi-channel spectrum sharing networks (SSNs). We formulate this cross-layer optimization problem as a...
Yuan Wu, Danny H. K. Tsang
IJWBC
2007
137views more  IJWBC 2007»
14 years 9 months ago
Identifying communities in blogs: roles for social network analysis and survey instruments
: We examine the problem of identifying, measuring and evaluating communities in blogs. In our approach, we use sense of community (McMillan and Chavis, 1986) and centrality measur...
Alvin Chin, Mark H. Chignell
TCSV
2008
88views more  TCSV 2008»
14 years 9 months ago
Fast and Efficient Method for Block Edge Classification and Its Application in H.264/AVC Video Coding
Edge is an important feature in video classification which finds applications in video representation and coding. In H.264/AVC, intra-prediction mode decision (a computationally in...
Hongliang Li, King Ngi Ngan, Zhenyu Wei
DAM
2000
126views more  DAM 2000»
14 years 9 months ago
2-Medians in trees with pos/neg weights
This paper deals with facility location problems with pos=neg weights in trees. We consider two di erent objective functions which model two di erent ways to handle obnoxious faci...
Rainer E. Burkard, Eranda Çela, Helidon Dol...