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CSCW
2012
ACM
12 years 3 months ago
Coordination and beyond: social functions of groups in open content production
We report on a study of the English edition of Wikipedia in which we used a mixed methods approach to understand how nested organizational structures called WikiProjects support c...
Andrea Forte, Niki Kittur, Vanessa Larco, Haiyi Zh...
ICIP
2003
IEEE
14 years 9 months ago
Radon transform inversion via Wiener filtering over the Euclidean motion group
Inthispaper we formulatethe Radon transform asa wnvolution integral over the Euclidean motion group (SE(2)) and provideaminimummeansquare error(MMSE) stochastic deconvolution meth...
Can Evren Yarman, Birsen Yazici
GIS
2005
ACM
14 years 9 months ago
Two ellipse-based pruning methods for group nearest neighbor queries
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
Hongga Li, Hua Lu, Bo Huang, Zhiyong Huang
ICC
2008
IEEE
137views Communications» more  ICC 2008»
14 years 2 months ago
Reliability of Connections in Multilayer Networks under Shared Risk Groups and Costs Constraints
The notion of Shared Risk Resource Groups (SRRG) has been introduced to capture survivability issues when a set of resources may fail simultaneously. Applied to Wavelength Divisio...
David Coudert, Florian Huc, Fabrice Peix, Marie-Em...
NGC
2001
Springer
157views Communications» more  NGC 2001»
14 years 13 days ago
Aggregated Multicast with Inter-Group Tree Sharing
IP multicast suffers from scalability problems for large numbers of multicast groups, since each router keeps forwarding state proportional to the number of multicast tree passing ...
Aiguo Fei, Jun-Hong Cui, Mario Gerla, Michalis Fal...