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» An Efficient Nominal Unification Algorithm
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JAR
2010
95views more  JAR 2010»
12 years 11 months ago
Equivariant Unification
Nominal logic is a variant of first-order logic with special facilities for reasoning about names and binding based on the underlying concepts of swapping and freshness. It serves ...
James Cheney
ITP
2010
141views Mathematics» more  ITP 2010»
13 years 2 months ago
(Nominal) Unification by Recursive Descent with Triangular Substitutions
Using HOL4, we mechanise termination and correctness for two unification algorithms, written in a recursive descent style. One computes unifiers for first order terms, the other fo...
Ramana Kumar, Michael Norrish
ACL
2000
13 years 6 months ago
Memory-Efficient and Thread-Safe Quasi-Destructive Graph Unification
In terms of both speed and memory consumption, graph unification remains the most expensive component of unification-based grammar parsing. We present a technique to reduce the me...
Marcel P. van Lohuizen
AAAI
1993
13 years 6 months ago
Supporting and Optimizing Full Unification in a Forward Chaining Rule System
The Rete and Treat algorithms are considered the most efficient implementation techniques for Forward Chaining rule systems. These algorithms support a language of limited express...
Howard E. Shrobe