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KDD
2010
ACM
223views Data Mining» more  KDD 2010»
15 years 8 months ago
An efficient algorithm for a class of fused lasso problems
The fused Lasso penalty enforces sparsity in both the coefficients and their successive differences, which is desirable for applications with features ordered in some meaningful w...
Jun Liu, Lei Yuan, Jieping Ye
JNCA
2007
108views more  JNCA 2007»
15 years 6 months ago
Delivering adaptivity through context-awareness
Developing applications and deploying services for mobile users raises a number of issues and challenges that must be successfully addressed before the era of truly ubiquitous com...
Michael J. O'Grady, Gregory M. P. O'Hare, C. Donag...
CHI
2010
ACM
16 years 1 months ago
Worlds of information: designing for engagement at a public multi-touch display
In designing for engagement at a public multi-touch installation, we identified supporting multiple users and allowing for gradual discovery as challenges. In this paper, we prese...
Giulio Jacucci, Ann Morrison, Gabriela T. Richard,...
IMC
2009
ACM
16 years 1 months ago
Scalable proximity estimation and link prediction in online social networks
Proximity measures quantify the closeness or similarity between nodes in a social network and form the basis of a range of applications in social sciences, business, information t...
Han Hee Song, Tae Won Cho, Vacha Dave, Yin Zhang, ...
CCS
2010
ACM
15 years 6 months ago
Attacks and design of image recognition CAPTCHAs
We systematically study the design of image recognition CAPTCHAs (IRCs) in this paper. We first review and examine all IRCs schemes known to us and evaluate each scheme against th...
Bin B. Zhu, Jeff Yan, Qiujie Li, Chao Yang, Jia Li...