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specificity

Conflict Resolution Tactic / Function
Summary

Implements the specificity tactic.

Signature

specificity instantiation1 instantiation2 => boolean

Arguments

instantiation1

An instantiation object.

instantiation2

An instantiation object.

Values

boolean

Either nil or non- nil .

Description

The function returns non- nil if and only if instantiation1 is preferred to instantiation2 by the conflict resolution tactic specificity , otherwise nil . The function is intended to be used primarily by including it in the conflict resolution strategy for a context.

Examples
(defcontext my-context1 :strategy (specificity))
(defcontext my-context2
  :strategy (priority specificity))
See also

defcontext
deftactic
-specificity
instantiation
conflict-set
fire-rule


KnowledgeWorks and Prolog User Guide (Windows version) - 29 Feb 2008

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