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CN
2007
91views more  CN 2007»
14 years 11 months ago
On investigating overlay service topologies
Recently, a moderate amount of work has been reported on the use of overlay networks to support value-added network services, such as multicasting, Quality of Service (QoS), secur...
Zhi Li, Prasant Mohapatra
IJMMS
2007
166views more  IJMMS 2007»
14 years 11 months ago
Visualization of large networks with min-cut plots, A-plots and R-MAT
What does a ‘normal’ computer (or social) network look like? How can we spot ‘abnormal’ sub-networks in the Internet, or web graph? The answer to such questions is vital f...
Deepayan Chakrabarti, Christos Faloutsos, Yiping Z...
DM
1999
65views more  DM 1999»
14 years 11 months ago
Finite three dimensional partial orders which are not sphere orders
Abstract. Given a partially ordered set P = (X; P ), a function F which assigns to each x 2 X a set F (x) so that x y in P if and only if F (x) F (y) is called an inclusion represe...
Stefan Felsner, Peter C. Fishburn, William T. Trot...
CORR
2012
Springer
218views Education» more  CORR 2012»
13 years 7 months ago
On the Hardness of Welfare Maximization in Combinatorial Auctions with Submodular Valuations
We present a new type of monotone submodular functions: multi-peak submodular functions. Roughly speaking, given a family of sets F, we construct a monotone submodular function f ...
Shahar Dobzinski, Jan Vondrák
CVPR
2007
IEEE
16 years 1 months ago
Change Detection in a 3-d World
This paper examines the problem of detecting changes in a 3-d scene from a sequence of images, taken by cameras with arbitrary but known pose. No prior knowledge of the state of n...
Thomas Pollard, Joseph L. Mundy