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CONCUR
2007
Springer
15 years 6 months ago
A Marriage of Rely/Guarantee and Separation Logic
Abstract. In the quest for tractable methods for reasoning about concurrent algorithms both rely/guarantee logic and separation logic have made great advances. They both seek to ta...
Viktor Vafeiadis, Matthew J. Parkinson
108
Voted
PODS
1998
ACM
116views Database» more  PODS 1998»
15 years 4 months ago
Complexity of Answering Queries Using Materialized Views
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
Serge Abiteboul, Oliver M. Duschka
97
Voted
AAAI
2000
15 years 2 months ago
The Complexity of Restricted Consequence Finding and Abduction
We analyze the complexity of propositional kernel resolution (del Val 1999), a general method for obtaining logical consequences in restricted target languages. Different choices ...
Alvaro del Val
120
Voted
DLT
2008
15 years 1 months ago
On the Size Complexity of Rotating and Sweeping Automata
We examine the succinctness of one-way, rotating, sweeping, and two-way deterministic finite automata (1dfas, rdfas, sdfas, 2dfas). Here, a sdfa is a 2dfa whose head can change di...
Christos A. Kapoutsis, Richard Královic, To...
102
Voted
AUTOMATICA
2008
75views more  AUTOMATICA 2008»
15 years 24 days ago
Optimal complexity reduction of polyhedral piecewise affine systems
This paper focuses on the NP-hard problem of reducing the complexity of piecewise polyhedral systems (e.g. polyhedral piecewise affine (PWA) systems). The results are fourfold. Fi...
Tobias Geyer, Fabio Danilo Torrisi, Manfred Morari