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CHI
2010
ACM
16 years 21 days 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
POPL
2010
ACM
16 years 21 days ago
Lightweight asynchrony using parasitic threads
Message-passing is an attractive thread coordination mechanism because it cleanly delineates points in an execution when threads communicate, and unifies synchronization and comm...
K. C. Sivaramakrishnan, Lukasz Ziarek, Raghavendra...
TEI
2010
ACM
160views Hardware» more  TEI 2010»
16 years 20 days ago
Think globally, build locally: a technological platform for low-cost, open-source, locally-assembled programmable bricks for edu
“Programmable bricks” are microcontroller-based devices that can be used in various educational projects, such as robotic prototypes, environmental sensing, and interactive ar...
Arnan Sipitakiat, Paulo Blikstein
CCS
2010
ACM
16 years 20 days ago
Attribute-based signature and its applications
In an attribute-based signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a signature attests not to...
Jin Li, Man Ho Au, Willy Susilo, Dongqing Xie, Kui...
EDBT
2010
ACM
135views Database» more  EDBT 2010»
16 years 20 days ago
Region-based online promotion analysis
This paper addresses a fundamental and challenging problem with broad applications: efficient processing of region-based promotion queries, i.e., to discover the top-k most inter...
Tianyi Wu, Yizhou Sun, Cuiping Li, Jiawei Han