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CORR
2010
Springer
147views Education» more  CORR 2010»
15 years 6 months ago
Modeling the structure and evolution of discussion cascades
We analyze the structure and evolution of discussion cascades in four popular websites: Slashdot, Barrapunto, Meneame and Wikipedia. Despite the big heterogeneities between these ...
Vicenç Gómez, Hilbert J. Kappen, And...
CORR
2006
Springer
148views Education» more  CORR 2006»
15 years 6 months ago
Budget Optimization in Search-Based Advertising Auctions
Internet search companies sell advertisement slots based on users' search queries via an auction. While there has been previous work on the auction process and its game-theor...
Jon Feldman, S. Muthukrishnan, Martin Pál, ...
CORR
2006
Springer
135views Education» more  CORR 2006»
15 years 6 months ago
An equilibrium model for matching impatient demand and patient supply over time
We present a simple dynamic equilibrium model for an online exchange where both buyers and sellers arrive according to a exogenously defined stochastic process. The structure of t...
Garud Iyengar, Anuj Kumar
CORR
2002
Springer
156views Education» more  CORR 2002»
15 years 5 months ago
MPICH-G2: A Grid-Enabled Implementation of the Message Passing Interface
Application development for distributed-computing ``Grids'' can benefit from tools that variously hide or enable application-level management of critical aspects of the ...
Nicholas T. Karonis, Brian R. Toonen, Ian T. Foste...
CORR
2010
Springer
98views Education» more  CORR 2010»
15 years 6 months ago
Electrical Flows, Laplacian Systems, and Faster Approximation of Maximum Flow in Undirected Graphs
We introduce a new approach to computing an approximately maximum s-t flow in a capacitated, undirected graph. This flow is computed by solving a sequence of electrical flow probl...
Paul Christiano, Jonathan A. Kelner, Aleksander Ma...