138 search results - page 14 / 28 » Robustness Analysis of Model-Based Collaborative Filtering S... |
RECSYS
2009
ACM
14 years 1 months ago
2009
ACM
Robustness analysis research has shown that conventional memory-based recommender systems are very susceptible to malicious profile-injection attacks. A number of attack models h...
ECSCW
2001
13 years 10 months ago
2001
We present PolyLens, a new collaborative filtering recommender system designed to recommend items for groups of users, rather than for individuals. A group recommender is more appr...
IV
2003
IEEE
14 years 1 months ago
2003
IEEE
In this paper we describe a model of the process by which people solve problems using information visualization systems. The model was based on video analysis of forty dyads who p...
GIS
1999
ACM
14 years 25 days ago
1999
ACM
The GeoWorlds system integrates geographic information systems, spatial digital libraries and other information analysis, retrieval and collaboration tools. It supports multiple a...
TSP
2008
13 years 8 months ago
2008
We derive an easy-to-compute approximate bound for the range of step-sizes for which the constant-modulus algorithm (CMA) will remain stable if initialized close to a minimum of t...