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owl2_reasoning_rules.pl
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owl2_reasoning_rules.pl
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/* -*- Mode: Prolog -*- */
:- module(owl2_reasoning_rules,[]).
:- use_module(owl2_model).
% yap will not allow us to table a predicate already declared dynamic..
:- abolish(owl2_model:subClassOf/2).
:- abolish(owl2_model:subPropertyOf/2).
:- abolish(owl2_model:classAssertion/2).
:- abolish(owl2_model:propertyAssertion/3).
:- multifile owl2_model:subClassOf/2.
:- multifile owl2_model:subPropertyOf/2.
:- multifile owl2_model:classAssertion/2.
:- multifile owl2_model:propetyAssertion/3.
:- table owl2_model:subClassOf/2.
:- table owl2_model:subPropertyOf/2.
:- table owl2_model:classAssertion/2.
:- table owl2_model:propertyAssertion/3.
%:- table member/2.
% ----------------------------------------
% TBox Reasoning
% ----------------------------------------
someValuesFrom_propchain(_,[]).
someValuesFrom_propchain(X,[P|PL]):-
subClassOf(X,someValuesFrom(P,Y)),
someValuesFrom_propchain(Y,PL).
:- table subClassOf_all/2.
owl2_model:subClassOf_all(_,[]).
owl2_model:subClassOf_all(X,[D|L]):-
subClassOf(X,D),
subClassOf_all(X,L).
:- table pairwise_equivalent_class/2.
pairwise_equivalent_class(X,Y) :- equivalentClasses(L),member(X,L),member(Y,L).
pairwise_equivalent_class(X,Y) :- subClassOf(X,Y),subClassOf(Y,X).
:- table pairwise_disjoint_class/2.
pairwise_disjoint_class(X,Y) :- disjointClasses(L),member(X,L),member(Y,L).
pairwise_disjoint_class(X,Y) :- subClassOf(X,Y),subClassOf(Y,X).
% transitivity of subprop
owl2_model:subPropertyOf(X,Y) :- subPropertyOf(X,Z),subPropertyOf(Z,Y).
% transitivity of subclass
owl2_model:subClassOf(X,Y) :- subClassOf(X,Z),subClassOf(Z,Y).
owl2_model:subClassOf(X,Y) :-
pairwise_equivalent_class(X,Y).
owl2_model:subClassOf(X,Y) :-
pairwise_equivalent_class(X,intersectionOf(L)),
member(Y,L).
owl2_model:subClassOf(X,Y) :-
pairwise_equivalent_class(Y,unionOf(L)),
member(X,L).
owl2_model:subClassOf(X,Y) :-
pairwise_equivalent_class(Y,intersectionOf(L)),
subClassOf_all(X,L).
owl2_model:subClassOf(X,someValuesFrom(P,D)) :-
subPropertyOf(P1,P),
subClassOf(X,someValuesFrom(P1,D)).
% this appears to cause a loop, even with tabling...
%owl2_model:subClassOf(X,someValuesFrom(P,D)) :-
% subClassOf(X,someValuesFrom(P,D1)),
% subClassOf(D1,D).
%owl2_model:subClassOf(X,someValuesFrom(P,Y)) :-
% transitiveProperty(P),
% subClassOf(X,someValuesFrom(P,someValuesFrom(P,Y))).
owl2_model:subClassOf(X,someValuesFrom(P,Y)) :-
subClassOf(X,someValuesFrom(P,D)),
transitiveProperty(P),
subClassOf(D,someValuesFrom(P,Y)).
%
/*
owl2_model:subClassOf(X,allValuesFrom(P,D)) :-
subClassOf(X,allValuesFrom(P,D1)),
subClassOf(D1,D).
*/
%subClassOf(X,someValuesFrom(P,Y)) :-
% subClassOf(X,someValuesFrom(P1,D1)),
% subPropertyOf(propertyChain([P1,P2]),P), % TODO
% subClassOf(D1,someValuesFrom(P2,D2)).
%subClassOf(X,someValuesFrom(P,Y)) :-
% subClassOf(X,someValuesFrom(P1,D1)),
% subPropertyOf(propertyChain([P1|PL]),P), % TODO
% someValuesFrom_propchain(D1,PL).
% TODO: make subClassOf nothing?
:- table unsatisfiable/1.
unsatisfiable(X) :-
pairwise_disjoint_class(A,B),
subClassOf(X,A),
subClassOf(X,B).
% ----------------------------------------
% ABox Reasoning
% ----------------------------------------
% reified version of Grosof
owl2_model:classAssertion(C,I) :- classAssertion(C2,I),subClassOf(C2,C).
owl2_model:classAssertion(C,I) :- propertyDomain(P,C),propertyAssertion(P,I,_).
owl2_model:classAssertion(C,I) :- propertyRange(P,C),propertyAssertion(P,_,I).
owl2_model:propertyAssertion(P,A,B) :- transitiveProperty(P),propertyAssertion(P,A,C),propertyAssertion(P,C,B).
owl2_model:propertyAssertion(P,A,B) :- symmetricProperty(P),propertyAssertion(P,B,A).
owl2_model:propertyAssertion(P,A,B) :- inverseProperties(P,Q),propertyAssertion(Q,B,A).
owl2_model:propertyAssertion(Q,A,B) :- subPropertyOf(P,Q),propertyAssertion(P,A,B).
% role chains
%propertyAssertion(P,A,B) :- subPropertyOf(propertyChain([P1|PL]),P),propertyAssertion(P,A,C),propertyAssertion_chain(PL,C,B).
propertyAssertion_chain([],_,_).
propertyAssertion_chain([P|PL],A,B) :- propertyAssertion(P,A,C),propertyAssertion_chain(PL,C,B).
% todo: translate to sameIndividuals/1
sameAs(A,B) :- propertyAssertion(P,X,A),functionalProperty(P),propertyAssertion(P,X,B).
sameAs(A,B) :- propertyAssertion(P,A,X),inverseFunctionalProperty(P),propertyAssertion(P,B,X).
illegal(P) :- propertyAssertion(P,A,A),irreflexiveProperty(P).
illegal(P) :- propertyAssertion(P,A,B),asymmetricProperty(P),propertyAssertion(P,B,A).
/** <module>
---+ Synopsis
---+ Details
See http://www.w3.org/TR/2008/WD-owl2-profiles-20081202/#Reasoning_in_OWL_2_RL_and_RDF_Graphs_using_Rules
---+ Additional Information
*/