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» Computing in Quotient Groups
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TCS
2008
15 years 6 months ago
Optimizing deletion cost for secure multicast key management
Multicast and broadcast are efficient ways to deliver messages to a group of recipients in a network. Due to the growing security concerns in various applications, messages are oft...
Zhi-Zhong Chen, Ze Feng, Minming Li, F. Frances Ya...
PAMI
2010
112views more  PAMI 2010»
15 years 5 months ago
Polynomial Time Algorithms for Ratio Regions and a Variant of Normalized Cut
—In partitioning, clustering, and grouping problems, a typical goal is to group together similar objects, or pixels in the case of image processing. At the same time, another goa...
Dorit S. Hochbaum
CORR
2011
Springer
261views Education» more  CORR 2011»
15 years 1 months ago
Convex and Network Flow Optimization for Structured Sparsity
We consider a class of learning problems regularized by a structured sparsity-inducing norm defined as the sum of 2- or ∞-norms over groups of variables. Whereas much effort ha...
Julien Mairal, Rodolphe Jenatton, Guillaume Obozin...
CHI
2009
ACM
16 years 7 months ago
Designing for discovery: opening the hood for open-source end user tinkering
According to the Free Software Movement, the user ought to have "the freedoms to make changes, and to publish improved versions" and "to study how the program works...
Gifford Cheung, Parmit Chilana, Shaun K. Kane, Bra...
ICPP
2009
IEEE
16 years 1 months ago
On Maximum Stability with Enhanced Scalability in High-Churn DHT Deployment
Abstract—When applied in a commercial deployment, DHTbased P2P protocols face a dilemma: although most real-world participants are so unstable that the maintenance overhead is pr...
Junfeng Xie, Zhenhua Li, Guihai Chen, Jie Wu