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POPL
1997
ACM
13 years 11 months ago
Type-Checking Higher-Order Polymorphic Multi-Methods
We present a new predicative and decidable type system, called ML , suitable for languages that integrate functional programming and parametric polymorphism in the tradition of ML...
François Bourdoncle, Stephan Merz
VLDB
1991
ACM
128views Database» more  VLDB 1991»
13 years 11 months ago
A Functional Programming Approach to Deductive Databases
We introduce a persistentfunctional languagecalled PFL which adapts functional programming to the area of deductive databases,much as logic-based deductive databaselanguagesadapt ...
Alexandra Poulovassilis, Carol Small
CP
2009
Springer
14 years 8 months ago
Constraints of Difference and Equality: A Complete Taxonomic Characterisation
Abstract. Many combinatorial problems encountered in practice involve constraints that require that a set of variables take distinct or equal values. The AllDifferent constraint, i...
Emmanuel Hebrard, Dániel Marx, Barry O'Sull...
ICFP
1997
ACM
13 years 11 months ago
Foundations for the Implementation of Higher-Order Subtyping
We show how to implement a calculus with higher-order subtyping and subkinding by replacing uses of implicit subsumption with explicit coercions. To ensure this can be done, a pol...
Karl Crary
HASKELL
2006
ACM
14 years 1 months ago
Polymorphic variants in Haskell
In languages that support polymorphic variants, a single variant value can be passed to many contexts that accept different sets of constructors. Polymorphic variants are potenti...
Koji Kagawa