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ITICSE
2005
ACM
14 years 2 months ago
A prolog toolkit for formal languages and automata
This paper describes the first version of P (read “P flat”), a collection of Prolog predicates that aims to provide a pedagogical implementation of concepts and algorithms t...
Michel Wermelinger, Artur Miguel Dias
JAPLL
2011
92views more  JAPLL 2011»
13 years 3 months ago
Norms as ascriptions of violations: An analysis in modal logic
The paper proposes a formal analysis of a theory of norms resulting from pulling together Anderson’s reduction, the analysis of counts-as, and a novel approach to the formal rep...
Davide Grossi
MPC
2010
Springer
157views Mathematics» more  MPC 2010»
14 years 1 months ago
Formal Derivation of Concurrent Garbage Collectors
Concurrent garbage collectors are notoriously difficult to implement correctly. Previous approaches to the issue of producing correct collectors have mainly been based on posit-and...
Dusko Pavlovic, Peter Pepper, Douglas R. Smith
DATESO
2004
116views Database» more  DATESO 2004»
13 years 10 months ago
Using Blind Search and Formal Concepts for Binary Factor Analysis
Binary Factor Analysis (BFA, also known as Boolean Factor Analysis) may help with understanding collections of binary data. Since we can take collections of text documents as binar...
Ales Keprt
ICDE
1994
IEEE
103views Database» more  ICDE 1994»
14 years 24 days ago
A Multi-Set Extended Relational Algebra - A Formal Approach to a Practical Issue
The relational data model is based on sets of tuples, i.e. it does not allow duplicate tuples in a relation. Many database languages and systems do require multi-set place, the hi...
Paul W. P. J. Grefen, Rolf A. de By