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140
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WWW
2007
ACM
16 years 4 months ago
Netprobe: a fast and scalable system for fraud detection in online auction networks
Given a large online network of online auction users and their histories of transactions, how can we spot anomalies and auction fraud? This paper describes the design and implemen...
Shashank Pandit, Duen Horng Chau, Samuel Wang, Chr...
JAL
2006
101views more  JAL 2006»
15 years 3 months ago
Semi-matchings for bipartite graphs and load balancing
We consider the problem of fairly matching the left-hand vertices of a bipartite graph to the right-hand vertices. We refer to this problem as the optimal semimatching problem; it...
Nicholas J. A. Harvey, Richard E. Ladner, Lá...
254
Voted
ICDE
2002
IEEE
204views Database» more  ICDE 2002»
16 years 5 months ago
Approximating a Data Stream for Querying and Estimation: Algorithms and Performance Evaluation
Obtaining fast and good quality approximations to data distributions is a problem of central interest to database management. A variety of popular database applications including,...
Sudipto Guha, Nick Koudas
125
Voted
SODA
2010
ACM
190views Algorithms» more  SODA 2010»
16 years 1 months ago
One-Counter Markov Decision Processes
We study the computational complexity of some central analysis problems for One-Counter Markov Decision Processes (OC-MDPs), a class of finitely-presented, countable-state MDPs. O...
Tomas Brazdil, Vaclav Brozek, Kousha Etessami, Ant...
ICCAD
2002
IEEE
92views Hardware» more  ICCAD 2002»
16 years 25 days ago
ECO algorithms for removing overlaps between power rails and signal wires
Design ECO commonly happens in industry due to constraints or target changes from manufacturing, marketing, reliability, or performance. At each step, designers usually want to mo...
Hua Xiang, Kai-Yuan Chao, D. F. Wong