Sciweavers

760 search results - page 78 / 152
» Recommendation Systems: A Probabilistic Analysis
Sort
View
SAGA
2009
Springer
15 years 6 months ago
Economical Caching with Stochastic Prices
In the economical caching problem, an online algorithm is given a sequence of prices for a certain commodity. The algorithm has to manage a buffer of fixed capacity over time. We...
Matthias Englert, Berthold Vöcking, Melanie W...
CCS
2009
ACM
15 years 3 months ago
The bayesian traffic analysis of mix networks
This work casts the traffic analysis of anonymity systems, and in particular mix networks, in the context of Bayesian inference. A generative probabilistic model of mix network ar...
Carmela Troncoso, George Danezis
ICC
2008
IEEE
134views Communications» more  ICC 2008»
15 years 6 months ago
Secret Little Functions and Codebook for Protecting Users from Password Theft
—In this paper, we discuss how to prevent users’ passwords from being stolen by adversaries. We propose differentiated security mechanisms in which a user has the freedom to ch...
Yang Xiao, Chung-Chih Li, Ming Lei, Susan V. Vrbsk...
HT
2009
ACM
14 years 9 months ago
Retrieving broken web links using an approach based on contextual information
In this short note we present a recommendation system for automatic retrieval of broken Web links using an approach based on contextual information. We extract information from th...
Juan Martinez-Romo, Lourdes Araujo
WWW
2008
ACM
16 years 14 days ago
Offline matching approximation algorithms in exchange markets
Motivated by several marketplace applications on rapidly growing online social networks, we study the problem of efficient offline matching algorithms for online exchange markets....
Zeinab Abbassi, Laks V. S. Lakshmanan