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APLAS
2010
ACM
15 years 6 months ago
A Logical Mix of Approximation and Separation
We extract techniques developed in the Concurrent C minor project to build a framework for constructing logics that contain approximation and/or separation. Approximation occurs wh...
Aquinas Hobor, Robert Dockins, Andrew W. Appel
PODS
1999
ACM
153views Database» more  PODS 1999»
15 years 11 months ago
Consistent Query Answers in Inconsistent Databases
In this paper we consider the problem of the logical characterization of the notion of consistent answer in a relational database that may violate given integrity constraints. Thi...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
POPL
2012
ACM
14 years 2 months ago
The marriage of bisimulations and Kripke logical relations
There has been great progress in recent years on developing effective techniques for reasoning about program equivalence in ML-like languages—that is, languages that combine fea...
Chung-Kil Hur, Derek Dreyer, Georg Neis, Viktor Va...
TC
1998
15 years 6 months ago
Using Decision Diagrams to Design ULMs for FPGAs
—Many modern Field Programmable Logic Arrays (FPGAs) use lookup table (LUT) logic blocks which can be programmed to realize any function of a fixed number of inputs. It is possib...
Zeljko Zilic, Zvonko G. Vranesic
JSAC
2007
63views more  JSAC 2007»
15 years 6 months ago
A new survivable mapping problem in IP-over-WDM networks
— We introduce a new version of the widely studied survivable mapping problem in IP-over-WDM networks. The new problem allows augmenting the given logical topology and is describ...
Chang Liu, Lu Ruan