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WWW
2007
ACM
14 years 9 months ago
2007
ACM
Web-based communities have become important places for people to seek and share expertise. We find that networks in these communities typically differ in their topology from other...
CGF
2010
13 years 8 months ago
2010
Social networks collected by historians or sociologists typically have a large number of actors and edge attributes. Applying social network analysis (SNA) algorithms to these net...
CHI
2004
ACM
14 years 9 months ago
2004
ACM
We investigate the prevalence and learning impact of different types of off-task behavior in classrooms where students are using intelligent tutoring software. We find that within...
ICCV
2011
IEEE
12 years 8 months ago
2011
IEEE
We present a generic, efficient and iterative algorithm for interactively clustering classes of images and videos. The approach moves away from the use of large hand labelled tra...
GIS
2009
ACM
14 years 9 months ago
2009
ACM
The spatio-textual spreadsheet is a conventional spreadsheet where spatial attribute values are specified textually. Techniques are presented to automatically find the textually-s...