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124
Voted
WWW
2008
ACM
16 years 4 months ago
Budget constrained bidding in keyword auctions and online knapsack problems
We consider the budget-constrained bidding optimization problem for sponsored search auctions, and model it as an online (multiple-choice) knapsack problem. We design both determi...
Yunhong Zhou, Deeparnab Chakrabarty, Rajan M. Luko...
130
Voted
WWW
2008
ACM
16 years 4 months ago
Dynamic cost-per-action mechanisms and applications to online advertising
We study the Cost-Per-Action or Cost-Per-Acquisition (CPA) charging scheme in online advertising. In this scheme, instead of paying per click, the advertisers pay only when a user...
Hamid Nazerzadeh, Amin Saberi, Rakesh Vohra
WWW
2004
ACM
16 years 4 months ago
Small world peer networks in distributed web search
In ongoing research, a collaborative peer network application is being proposed to address the scalability limitations of centralized search engines. Here we introduce a local ada...
Ruj Akavipat, Le-Shin Wu, Filippo Menczer
EWSN
2009
Springer
16 years 4 months ago
Solving the Wake-Up Scattering Problem Optimally
Abstract. In their EWSN'07 paper [1], Giusti et al. proposed a decentralized wake-up scattering algorithm for temporally spreading the intervals in which the nodes of a wirele...
Luigi Palopoli, Roberto Passerone, Amy L. Murphy, ...
172
Voted
KDD
2007
ACM
132views Data Mining» more  KDD 2007»
16 years 4 months ago
A scalable modular convex solver for regularized risk minimization
A wide variety of machine learning problems can be described as minimizing a regularized risk functional, with different algorithms using different notions of risk and different r...
Choon Hui Teo, Alex J. Smola, S. V. N. Vishwanatha...