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» Machine Function Based Control Code Algebras
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ICFP
2006
ACM
14 years 7 months ago
Modular development of certified program verifiers with a proof assistant
I report on an experience using the Coq proof assistant to develop a program verification tool with a machine-checkable proof of full correctness. The verifier is able to prove me...
Adam J. Chlipala
ISSTA
2012
ACM
11 years 10 months ago
A human study of patch maintainability
Identifying and fixing defects is a crucial and expensive part of the software lifecycle. Measuring the quality of bug-fixing patches is a difficult task that affects both func...
Zachary P. Fry, Bryan Landau, Westley Weimer
EDBT
2012
ACM
214views Database» more  EDBT 2012»
11 years 10 months ago
An optimization framework for map-reduce queries
We present an effective optimization framework for general SQLlike map-reduce queries, which is based on a novel query algebra and uses a small number of higher-order physical ope...
Leonidas Fegaras, Chengkai Li, Upa Gupta
SAC
2009
ACM
14 years 5 days ago
Taking total control of voting systems: firmware manipulations on an optical scan voting terminal
The firmware of an electronic voting machine is typically treated as a “trusted” component of the system. Consequently, it is misconstrued to be vulnerable only to an insider...
Seda Davtyan, Sotiris Kentros, Aggelos Kiayias, La...
SIGMOD
2004
ACM
95views Database» more  SIGMOD 2004»
14 years 7 months ago
Querying at Internet-Scale
We are developing a distributed query processor called PIER, which is designed to run on the scale of the entire Internet. PIER utilizes a Distributed Hash Table (DHT) as its comm...
Brent N. Chun, Joseph M. Hellerstein, Ryan Huebsch...