384 search results - page 44 / 77 » Measurement and analysis of online social networks |
103
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CIKM
2008
Springer
15 years 1 months ago
2008
Springer
Data sparsity, scalability and prediction quality have been recognized as the three most crucial challenges that every collaborative filtering algorithm or recommender system conf...
111
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CSCW
2008
ACM
15 years 1 months ago
2008
ACM
Social networks are popular for online communities. This paper evaluates the risk of sophisticated context-aware spam that could result from information sharing on social networks...
SIGIR
2011
ACM
14 years 2 months ago
2011
ACM
We study a novel problem of social context summarization for Web documents. Traditional summarization research has focused on extracting informative sentences from standard docume...
KDD
2009
ACM
16 years 11 days ago
2009
ACM
Influence maximization is the problem of finding a small subset of nodes (seed nodes) in a social network that could maximize the spread of influence. In this paper, we study the ...
ECTEL
2007
Springer
15 years 6 months ago
2007
Springer
The paper presents a flexible framework for the online evaluation of collaborative project-oriented e-learning platforms. The framework was developed for the evaluation of the COOP...