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SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
Our world today is generating huge amounts of graph data such as social networks, biological networks, and the semantic web. Many of these real-world graphs are edge-labeled graph...
HUC
2009
Springer
14 years 1 months ago
2009
Springer
This paper attempts to re-imagine ubiquitous computing for populations in low-income and information-challenged environments. We examine information infrastructures in midsized ur...
PERCOM
2010
ACM
14 years 25 days ago
2010
ACM
—This paper studies economic models of user participation incentive in participatory sensing applications. User participation is the most important element in participatory sensi...
PODC
2010
ACM
14 years 25 days ago
2010
ACM
We present Gatekeeper, a decentralized protocol that performs Sybil-resilient node admission control based on a social network. Gatekeeper can admit most honest nodes while limiti...
ICWSM
2008
13 years 10 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...