186 search results - page 12 / 38 » Generalized deviations in risk analysis |
SIGIR
2002
ACM
13 years 7 months ago
2002
ACM
Collaborative filtering (CF) is valuable in e-commerce, and for direct recommendations for music, movies, news etc. But today's systems have several disadvantages, including ...
ECIR
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. This paper concerns document ranking in information retrieval. In information retrieval systems, the widely accepted probability ranking principle (PRP) suggests that, fo...
COLT
2006
Springer
13 years 11 months ago
2006
Springer
We propose a sequential randomized algorithm, which at each step concentrates on functions having both low risk and low variance with respect to the previous step prediction functi...
APPROX
2010
Springer
13 years 9 months ago
2010
Springer
We consider optimization problems that can be formulated as minimizing the cost of a feasible solution wT x over an arbitrary combinatorial feasible set F {0, 1}n . For these pro...
DIM
2009
ACM
14 years 17 days ago
2009
ACM
For e-commerce companies providing online services, fraudulent access resulting from theft of identity credentials is a serious concern. Such online service providers deploy a var...