691 search results - page 23 / 139 » Online communities |
146
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ITRUST
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. Past evidence has shown that generic approaches to recommender systems based upon collaborative filtering tend to poorly scale. Moreover, their fitness for scenarios su...
101
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SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
We propose a novel privacy-preserving distributed infrastructure in which data resides only with the publishers owning it. The infrastructure disseminates user queries to publishe...
ATAL
2009
Springer
15 years 27 days ago
2009
Springer
In this paper we present the results of our user study about status message sharing on the Social Web. The study revealed the privacy and information noise (sometimes originating f...
107
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ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Online forums contain huge amounts of valuable user-generated content. In current forum systems, users have to passively wait for other users to visit the forum systems and read/an...
105
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WWW
2009
ACM
16 years 13 days ago
2009
ACM
There are many on-line settings in which users publicly express opinions. A number of these offer mechanisms for other users to evaluate these opinions; a canonical example is Ama...