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ICWSM
2008
13 years 6 months ago
2008
"Witkeys" are websites in China that form a rapidly growing web-based knowledge market. A user who posts a task also offers a small fee, and many other users submit thei...
PIMRC
2010
IEEE
13 years 2 months ago
2010
IEEE
Abstract--Is the temporal dimension alone sufficient to characterize contacts in opportunistic networks? Several studies analyze the temporal aspect of contacts with significant re...
ISPAN
2008
IEEE
13 years 11 months ago
2008
IEEE
Intuitively, a signed graph is a graph in which every edge is labeled with a + or − sign. For each edge, its sign represents the mode of the relationship between the vertices it...