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CHI
2010
ACM
14 years 5 months ago
The effects of diversity on group productivity and member withdrawal in online volunteer groups
The “wisdom of crowds” argument emphasizes the importance of diversity in online collaborations, such as open source projects and Wikipedia. However, decades of research on di...
Jilin Chen, Yuqing Ren, John Riedl
CCS
2010
ACM
14 years 5 months ago
Practical ID-based encryption for wireless sensor network
In this paper, we propose a new practical identity-based encryption scheme which is suitable for wireless sensor network (WSN). We call it Receiver-Bounded Online/Offline Identity...
Cheng-Kang Chu, Joseph K. Liu, Jianying Zhou, Feng...
IPSN
2010
Springer
14 years 5 months ago
High-resolution, low-power time synchronization an oxymoron no more
We present Virtual High-resolution Time (VHT), a powerproportional time-keeping service that offers a baseline power draw of a low-speed clock (e.g. 32 kHz crystal), but provides...
Thomas Schmid, Prabal Dutta, Mani B. Srivastava
LATIN
2010
Springer
14 years 5 months ago
Sharp Separation and Applications to Exact and Parameterized Algorithms
Many divide-and-conquer algorithms employ the fact that the vertex set of a graph of bounded treewidth can be separated in two roughly balanced subsets by removing a small subset o...
Fedor V. Fomin, Daniel Lokshtanov, Fabrizio Grando...
SC
2009
ACM
14 years 5 months ago
Bridging parallel and reconfigurable computing with multilevel PGAS and SHMEM+
Reconfigurable computing (RC) systems based on FPGAs are becoming an increasingly attractive solution to building parallel systems of the future. Applications targeting such syste...
Vikas Aggarwal, Alan D. George, K. Yalamanchili, C...