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PODS
1999
ACM
89views Database» more  PODS 1999»
14 years 2 months ago
Type Inference in the Polymorphic Relational Algebra
We give a polymorphic account of the relational algebra. We introduce a formalism of \type formulas" speci cally tuned for relational algebra expressions, and present an algo...
Jan Van den Bussche, Emmanuel Waller
KESAMSTA
2009
Springer
14 years 4 months ago
Relational Learning by Imitation
Abstract. Imitative learning can be considered an essential task of humans development. People use instructions and demonstrations provided by other human experts to acquire knowle...
Grazia Bombini, Nicola Di Mauro, Teresa Maria Alto...
DATE
2003
IEEE
92views Hardware» more  DATE 2003»
14 years 3 months ago
Local Search for Boolean Relations on the Basis of Unit Propagation
We propose a method for local search of Boolean relations relating variables of a CNF formula. The method is to branch on small subsets of the set of CNF variables and to analyze ...
Yakov Novikov
ECSQARU
2001
Springer
14 years 2 months ago
Explanatory Relations Based on Mathematical Morphology
Abstract. Using mathematical morphology on formulas introduced recently by Bloch and Lang (Proceedings of IPMU’2000) we define two new explanatory relations. Their logical behav...
Isabelle Bloch, Ramón Pino Pérez, Ca...
ACL
1993
13 years 11 months ago
A Unification-Based Parser for Relational Grammar
We present an implemented unification-based parser for relational grammars developed within the stratified feature grammar (SFG) framework, which generalizes Kasper-Rounds logic t...
David E. Johnson, Adam Meyers, Lawrence S. Moss