384 search results - page 15 / 77 » Measurement and analysis of online social networks |
ACSAC
2009
IEEE
14 years 5 months ago
2009
IEEE
—We study a new application of threshold-based secret sharing in a distributed online social network (DOSN), where users need a means to back up and recover their private keys in...
IJWBC
2007
13 years 10 months ago
2007
: We examine the problem of identifying, measuring and evaluating communities in blogs. In our approach, we use sense of community (McMillan and Chavis, 1986) and centrality measur...
WWW
2010
ACM
13 years 11 months ago
2010
ACM
In this paper, we undertake a large-scale study of online user behavior based on search and toolbar logs. We propose a new CCS taxonomy of pageviews consisting of Content (news, p...
NOSSDAV
2009
Springer
14 years 5 months ago
2009
Springer
In recent years, web based online map applications have been getting more and more popular, such as Google Maps, Yahoo Maps. Many new Web 2.0 techniques such as mash-up and AJAX w...
IIE
2008
13 years 10 months ago
2008
Abstract. An exploratory study of students' engagement in online learning and knowledge building is presented in this paper. Learning in an online community, composed of stude...