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SIGSOFT
2000
ACM
14 years 1 months ago
Implicit context: easing software evolution and reuse
Software systems should consist of simple, conceptually clean software components interacting along narrow, well-defined paths. All too often, this is not reality: complex compon...
Robert J. Walker, Gail C. Murphy
CGO
2010
IEEE
14 years 29 days ago
Umbra: efficient and scalable memory shadowing
Shadow value tools use metadata to track properties of application data at the granularity of individual machine instructions. These tools provide effective means of monitoring an...
Qin Zhao, Derek Bruening, Saman P. Amarasinghe
PODC
1999
ACM
14 years 29 days ago
Dynamically Configurable Distributed Objects
The dynamically configurable distributed object (DCDO) model helps enable object evolution and facilitate the development of distributed objects from multiple independent implemen...
Michael J. Lewis, Andrew S. Grimshaw
STOC
1999
ACM
101views Algorithms» more  STOC 1999»
14 years 28 days ago
Short Proofs are Narrow - Resolution Made Simple
The width of a Resolution proof is defined to be the maximal number of literals in any clause of the proof. In this paper, we relate proof width to proof length (ϭsize), in both g...
Eli Ben-Sasson, Avi Wigderson
FOCS
1998
IEEE
14 years 27 days ago
The Complexity of Acyclic Conjunctive Queries
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
Georg Gottlob, Nicola Leone, Francesco Scarcello
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