Algernon Tutorial 2.e
Creating classes and instances
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These exercises and examples use the newspaper project included
in the examples folder of your Protege installation.
Macros for creating classes and instances
- :ADD-CLASS
- :ADD-INSTANCE
- :ADD-RELATION
- :ADD-FACET (doesn't work with Protege yet).
ADD-CLASS
Adds a new subclass. Must specify the parent class.
Remember to specify a name. You can specify any number
of relations in the :ADD-CLASS macro. However, any
variables created in the clauses will not be visible
outside the scope of the :ADD-CLASS clause.
((:ADD-CLASS (?x Author) (:NAME ?x "Novelist")))
ADD-INSTANCE
Adds a new instance. Must specify the class.
Remember to specify a name. You can specify any number
of relations in the :ADD-INSTANCE macro. However, any
variables created in the clauses will not be visible
outside the scope of the :ADD-INSTANCE clause.
((:ADD-INSTANCE (?x Editor) (:NAME ?x "Asimov")))((sections Asimov instance_00047))
:ADD-RELATION
Adds a new slot in Protege.
((:ADD-RELATION Enemy (Reporter Editor)))((:instance Reporter ?r) (Enemy ?r Asimov))- Look at the Reporters to see who their enemies are.
Related links
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Author: Micheal Hewett
Email: mhewett@users.sf.net
Last Updated: Monday, June 06, 2005