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ACMICEC
2007
ACM
107views ECommerce» more  ACMICEC 2007»
13 years 11 months ago
A family of growth models for representing the price process in online auctions
Bids during an online auction arrive at unequally-spaced discrete time points. Our goal is to capture the entire continuous price-evolution function by representing it as a functi...
Valerie Hyde, Wolfgang Jank, Galit Shmueli
SEKE
2010
Springer
13 years 5 months ago
A Multi-State Bayesian Network for Shill Verification in Online Auctions
Online auction systems have made remarkable progress in recent years. However, one of the most severe and persistent problems in such systems is shilling behavior, which is a type ...
Ankit Goel, Haiping Xu, Sol M. Shatz
INFOCOM
2011
IEEE
12 years 11 months ago
To preempt or not: Tackling bid and time-based cheating in online spectrum auctions
—Online spectrum auctions offer ample flexibility for bidders to request and obtain spectrum on-the-fly. Such flexibility, however, opens up new vulnerabilities to bidder mani...
Lara B. Deek, Xia Zhou, Kevin C. Almeroth, Haitao ...
WWW
2007
ACM
14 years 8 months ago
Dynamics of bid optimization in online advertisement auctions
We consider the problem of online keyword advertising auctions among multiple bidders with limited budgets, and study a natural bidding heuristic in which advertisers attempt to o...
Christian Borgs, Jennifer T. Chayes, Nicole Immorl...
HICSS
2002
IEEE
123views Biometrics» more  HICSS 2002»
14 years 13 days ago
Toward a Value Framework for Online Learning Systems
Many universities and private corporations are investing significant capital in online learning initiatives. Willingness on the part of the student to take part in online learning...
Yair Levy, Kenneth E. Murphy