4324 search results - page 165 / 865 » Online social networks |
120
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AAAI
2012
13 years 4 months ago
2012
As the popularity of the social media increases, as evidenced in Twitter, Facebook and China’s Renren, spamming activities also picked up in numbers and variety. On social netwo...
SOCIALCOM
2010
14 years 11 months ago
2010
: Networks having several hundred or more nodes and significant edge probabilities are extremely difficult to visualize. They typically appear as dense clumps, with the various sub...
INTERACT
2007
15 years 3 months ago
2007
Abstract. Visualizing social networks presents challeges for both nodelink and adjacency matrix representations. Social networks are locally dense, which makes node-link displays u...
102
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CSCW
2008
ACM
15 years 3 months ago
2008
ACM
Within a group of peers, it is often useful or interesting to know whether someone in the group has gone to bed or whether they have awakened in the morning. This information, nat...
104
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AH
2006
Springer
15 years 7 months ago
2006
Springer
This research outline refers to the assessment of motivation in online learning environments. It includes a presentation of previous approaches, most of them based on Keller’s AR...