158 search results - page 21 / 32 » Analysis of an online health social network |
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...
HICSS
2003
IEEE
15 years 5 months ago
2003
IEEE
Healthcare organizations worldwide are faced with the growing challenge of introducing structural and technological reforms and cost-effective IT solutions that will transform the...
134
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WWW
2011
ACM
14 years 6 months ago
2011
ACM
Online social networks have become very popular in recent years and their number of users is already measured in many hundreds of millions. For various commercial and sociological...
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...