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IIR
2010
15 years 1 months ago
An Empirical Comparison of Collaborative Filtering Approaches on Netflix Data
Recommender systems are widely used in E-Commerce for making automatic suggestions of new items that could meet the interest of a given user. Collaborative Filtering approaches co...
Nicola Barbieri, Massimo Guarascio, Ettore Ritacco
DSS
2007
128views more  DSS 2007»
14 years 12 months ago
Toward an interoperable dynamic network analysis toolkit
To facilitate the analysis of real and simulated data on groups, organizations and societies, tools and measures are needed that can handle relational or network data that is mult...
Kathleen M. Carley, Jana Diesner, Jeffrey Reminga,...
LATINCRYPT
2010
14 years 10 months ago
Broadcast Encryption with Multiple Trust Authorities
Abstract. In this paper we extend the notion of hierarchical identitybased encryption with wildcards (WIBE) from the domain of a single Trusted Authority (TA) to a setting with mul...
Kent D. Boklan, Alexander W. Dent, Christopher A. ...
JMLR
2010
110views more  JMLR 2010»
14 years 6 months ago
Exploiting Covariate Similarity in Sparse Regression via the Pairwise Elastic Net
A new approach to regression regularization called the Pairwise Elastic Net is proposed. Like the Elastic Net, it simultaneously performs automatic variable selection and continuo...
Alexander Lorbert, David Eis, Victoria Kostina, Da...
JSYML
2010
60views more  JSYML 2010»
14 years 6 months ago
Generalizations of small profinite structures
We generalize the model theory of small profinite structures developed by Newelski to the case of compact metric spaces considered together with compact groups of homeomorphisms a...
Krzysztof Krupinski