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EUROSYS
2007
ACM
15 years 6 months ago
Sealing OS processes to improve dependability and safety
In most modern operating systems, a process is a -protected abstraction for isolating code and data. This protection, however, is selective. Many common mechanisms—dynamic code ...
Galen C. Hunt, Mark Aiken, Manuel Fähndrich, ...
CHI
2010
ACM
15 years 4 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
INFOCOM
2009
IEEE
15 years 4 months ago
All Bits Are Not Equal - A Study of IEEE 802.11 Communication Bit Errors
—In IEEE 802.11 Wireless LAN (WLAN) systems, techniques such as acknowledgement, retransmission, and transmission rate adaptation, are frame-level mechanisms designed for combati...
Bo Han, Lusheng Ji, Seungjoon Lee, Bishwaranjan Bh...
SIGMETRICS
2009
ACM
126views Hardware» more  SIGMETRICS 2009»
15 years 4 months ago
Self-adaptive admission control policies for resource-sharing systems
We consider the problem of admission control in resource sharing systems, such as web servers and transaction processing systems, when the job size distribution has high variabili...
Varun Gupta, Mor Harchol-Balter
IDEAS
2007
IEEE
135views Database» more  IDEAS 2007»
15 years 3 months ago
Bitmap Index Design Choices and Their Performance Implications
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
Elizabeth J. O'Neil, Patrick E. O'Neil, Kesheng Wu