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ICCV
2011
IEEE
14 years 3 months ago
Discriminative Learning of Relaxed Hierarchy for Large-scale Visual Recognition
In the real visual world, the number of categories a classifier needs to discriminate is on the order of hundreds or thousands. For example, the SUN dataset [24] contains 899 sce...
Tianshi Gao, Daphne Koller
CHI
2007
ACM
16 years 3 months ago
Social dynamics of early stage co-design in developing regions
Technology arguably has the potential to play a key role in improving the lives of people in developing regions. However, these communities are not well understood and designers m...
Divya Ramachandran, Matthew Kam, Jane Chiu, John F...
CHI
2005
ACM
16 years 3 months ago
Applying the lessons of the attack on the world trade center, 11th September 2001, to the design and use of interactive evacuati
The collapse of buildings, such as terminal 2E at Paris' Charles de Gaule Airport, and of fires, such as the Rhode Island, Station Night Club tragedy, has focused public atte...
C. W. Johnson
114
Voted
WWW
2010
ACM
15 years 10 months ago
On the high density of leadership nuclei in endorsement social networks
In this paper we study the community structure of endorsement networks, i.e., social networks in which a directed edge u → v is asserting an action of support from user u to use...
Guillermo Garrido, Francesco Bonchi, Aristides Gio...
ICC
2009
IEEE
142views Communications» more  ICC 2009»
15 years 10 months ago
Revealing Social Networks of Spammers Through Spectral Clustering
—To date, most studies on spam have focused only on the spamming phase of the spam cycle and have ignored the harvesting phase, which consists of the mass acquisition of email ad...
Kevin S. Xu, Mark Kliger, Yilun Chen, Peter J. Woo...