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Jena is a Java framework for building Semantic Web applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine.
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#------------------------------------------------------------------
# OWL rule set v0.3
# This rule set is designed to implement owl(f)lite using the hybrid
# rule system (mixture of forward and backward chaining). It differs
# from earlier versions by more consistently sticking to instance reasoning
# by being design to work with the LP backward engine.
#
# It includes an experimental forward version of the equality reasoning which
# not yet scalable.
#
# $Id: owl-fb.rules,v 1.59 2007-11-01 15:36:26 chris-dollin Exp $
#------------------------------------------------------------------
#------------------------------------------------------------------
# Tabling directives
#------------------------------------------------------------------
-> tableAll().
#-> table(rdf:type).
#-> table(rdfs:subClassOf).
#-> table(rdfs:range).
#-> table(rdfs:domain).
#-> table(owl:equivalentClass).
#------------------------------------------------------------------
# RDFS Axioms
#------------------------------------------------------------------
-> (rdf:type rdfs:range rdfs:Class).
-> (rdfs:Resource rdf:type rdfs:Class).
-> (rdfs:Literal rdf:type rdfs:Class).
-> (rdf:Statement rdf:type rdfs:Class).
-> (rdf:nil rdf:type rdf:List).
-> (rdf:subject rdf:type rdf:Property).
-> (rdf:object rdf:type rdf:Property).
-> (rdf:predicate rdf:type rdf:Property).
-> (rdf:first rdf:type rdf:Property).
-> (rdf:rest rdf:type rdf:Property).
-> (rdfs:subPropertyOf rdfs:domain rdf:Property).
-> (rdfs:subClassOf rdfs:domain rdfs:Class).
-> (rdfs:domain rdfs:domain rdf:Property).
-> (rdfs:range rdfs:domain rdf:Property).
-> (rdf:subject rdfs:domain rdf:Statement).
-> (rdf:predicate rdfs:domain rdf:Statement).
-> (rdf:object rdfs:domain rdf:Statement).
-> (rdf:first rdfs:domain rdf:List).
-> (rdf:rest rdfs:domain rdf:List).
-> (rdfs:subPropertyOf rdfs:range rdf:Property).
-> (rdfs:subClassOf rdfs:range rdfs:Class).
-> (rdfs:domain rdfs:range rdfs:Class).
-> (rdfs:range rdfs:range rdfs:Class).
-> (rdf:type rdfs:range rdfs:Class).
#-> (rdfs:comment rdfs:range rdfs:Literal).
#-> (rdfs:label rdfs:range rdfs:Literal).
-> (rdf:rest rdfs:range rdf:List).
-> (rdf:Alt rdfs:subClassOf rdfs:Container).
-> (rdf:Bag rdfs:subClassOf rdfs:Container).
-> (rdf:Seq rdfs:subClassOf rdfs:Container).
-> (rdfs:ContainerMembershipProperty rdfs:subClassOf rdf:Property).
-> (rdfs:isDefinedBy rdfs:subPropertyOf rdfs:seeAlso).
-> (rdf:XMLLiteral rdf:type rdfs:Datatype).
-> (rdfs:Datatype rdfs:subClassOf rdfs:Class).
#------------------------------------------------------------------
# RDFS Closure rules
#------------------------------------------------------------------
# This one could be omitted since the results are not really very interesting!
#[rdf1and4: (?x ?p ?y) -> (?p rdf:type rdf:Property), (?x rdf:type rdfs:Resource), (?y rdf:type rdfs:Resource)]
[rdf4: (?x ?p ?y) -> (?p rdf:type rdf:Property)]
[rdfs7b: (?a rdf:type rdfs:Class) -> (?a rdfs:subClassOf rdfs:Resource)]
[rdfs2: (?p rdfs:domain ?c) -> [(?x rdf:type ?c) <- (?x ?p ?y)] ]
[rdfs3: (?p rdfs:range ?c) -> [(?y rdf:type ?c) <- (?x ?p ?y), notFunctor(?y)] ]
[rdfs5a: (?a rdfs:subPropertyOf ?b), (?b rdfs:subPropertyOf ?c) -> (?a rdfs:subPropertyOf ?c)]
#[rdfs5b: (?a rdf:type rdf:Property) -> (?a rdfs:subPropertyOf ?a)]
[rdfs5b: (?a rdfs:subPropertyOf ?a) <- (?a rdf:type rdf:Property)]
[rdfs6: (?p rdfs:subPropertyOf ?q), notEqual(?p,?q) -> [ (?a ?q ?b) <- (?a ?p ?b)] ]
[rdfs7: (?a rdf:type rdfs:Class) -> (?a rdfs:subClassOf ?a)]
# omit rdfs8, derivable from rdfs9 and prototype2
[rdfs9: (?x rdfs:subClassOf ?y), notEqual(?x,?y) -> [ (?a rdf:type ?y) <- (?a rdf:type ?x)] ]
[rdfs10: (?x rdf:type rdfs:ContainerMembershipProperty) -> (?x rdfs:subPropertyOf rdfs:member)]
[rdfs2-partial: (?p rdfs:domain ?c) -> (?c rdf:type rdfs:Class)]
[rdfs3-partial: (?p rdfs:range ?c) -> (?c rdf:type rdfs:Class)]
#------------------------------------------------------------------
# RDFS iff extensions needed for OWL
#------------------------------------------------------------------
[rdfs2a: (?x rdfs:domain ?z) <- bound(?x), (?x rdfs:domain ?y), (?y rdfs:subClassOf ?z) ]
[rdfs2a: (?x rdfs:domain ?z) <- unbound(?x), (?y rdfs:subClassOf ?z), (?x rdfs:domain ?y) ]
[rdfs3a: (?x rdfs:range ?z) <- bound(?x), (?x rdfs:range ?y), (?y rdfs:subClassOf ?z) ]
[rdfs3a: (?x rdfs:range ?z) <- unbound(?x), (?y rdfs:subClassOf ?z), (?x rdfs:range ?y) ]
[rdfs12a: (rdf:type rdfs:subPropertyOf ?z), (?z rdfs:domain ?y) -> (rdfs:Resource rdfs:subClassOf ?y)]
[rdfs12a: (rdfs:subClassOf rdfs:subPropertyOf ?z), (?z rdfs:domain ?y) -> (rdfs:Class rdfs:subClassOf ?y)]
[rdfs12a: (rdfs:subPropertyOf rdfs:subPropertyOf ?z), (?z rdfs:domain ?y) -> (rdf:Property rdfs:subClassOf ?y)]
[rdfs12b: (rdfs:subClassOf rdfs:subPropertyOf ?z), (?z rdfs:range ?y) -> (rdfs:Class rdfs:subClassOf ?y)]
[rdfs12b: (rdfs:subPropertyOf rdfs:subPropertyOf ?z), (?z rdfs:range ?y) -> (rdf:Property rdfs:subClassOf ?y)]
[rdfsder1: (?p rdfs:range ?z) <- (?p rdfs:subPropertyOf ?q), notEqual(?p, ?q), (?q rdfs:range ?z)]
[rdfsder2: (?p rdfs:domain ?z) <- (?p rdfs:subPropertyOf ?q), notEqual(?p, ?q), (?q rdfs:domain ?z)]
#------------------------------------------------------------------
# OWL axioms
#------------------------------------------------------------------
-> (owl:FunctionalProperty rdfs:subClassOf rdf:Property).
-> (owl:ObjectProperty rdfs:subClassOf rdf:Property).
-> (owl:DatatypeProperty rdfs:subClassOf rdf:Property).
-> (owl:InverseFunctionalProperty rdfs:subClassOf owl:ObjectProperty).
-> (owl:TransitiveProperty rdfs:subClassOf owl:ObjectProperty).
-> (owl:SymmetricProperty rdfs:subClassOf owl:ObjectProperty).
-> (rdf:first rdf:type owl:FunctionalProperty).
-> (rdf:rest rdf:type owl:FunctionalProperty).
-> (owl:oneOf rdfs:domain owl:Class).
-> (owl:Class rdfs:subClassOf rdfs:Class).
-> (owl:Restriction rdfs:subClassOf owl:Class).
-> (owl:Thing rdf:type owl:Class).
-> (owl:Nothing rdf:type owl:Class).
-> (owl:equivalentClass rdfs:domain owl:Class).
-> (owl:equivalentClass rdfs:range owl:Class).
-> (owl:disjointWith rdfs:domain owl:Class).
-> (owl:disjointWith rdfs:range owl:Class).
-> (owl:sameAs rdf:type owl:SymmetricProperty).
#-> (owl:sameIndividualAs owl:equivalentProperty owl:sameAs).
# These are true but mess up the Ont API's notion of declared properties
#-> (owl:sameAs rdfs:domain owl:Thing).
#-> (owl:sameAs rdfs:range owl:Thing).
#-> (owl:differentFrom rdfs:domain owl:Thing).
#-> (owl:differentFrom rdfs:range owl:Thing).
-> (owl:onProperty rdfs:domain owl:Restriction).
-> (owl:onProperty rdfs:range owl:Property).
-> (owl:OntologyProperty rdfs:subClassOf rdf:Property).
-> (owl:imports rdf:type owl:OntologyProperty).
-> (owl:imports rdfs:domain owl:Ontology).
-> (owl:imports rdfs:range owl:Ontology).
-> (owl:priorVersion rdfs:domain owl:Ontology).
-> (owl:priorVersion rdfs:range owl:Ontology).
-> (owl:backwardCompatibleWith rdfs:domain owl:Ontology).
-> (owl:backwardCompatibleWith rdfs:range owl:Ontology).
-> (owl:incompatibleWith rdfs:domain owl:Ontology).
-> (owl:incompatibleWith rdfs:range owl:Ontology).
-> (owl:versionInfo rdf:type owl:AnnotationProperty).
# These properties are derivable from the definitions
#-> (owl:equivalentProperty rdf:type owl:SymmetricProperty).
#-> (owl:equivalentProperty rdf:type owl:TransitiveProperty).
#-> (owl:equivalentClass rdf:type owl:SymmetricProperty).
#-> (owl:equivalentClass rdf:type owl:TransitiveProperty).
-> (owl:differentFrom rdf:type owl:SymmetricProperty).
-> (owl:disjointWith rdf:type owl:SymmetricProperty).
-> (owl:intersectionOf rdfs:domain owl:Class).
#------------------------------------------------------------------
# OWL Rules
#------------------------------------------------------------------
[thing1: (?C rdf:type owl:Class) -> (?C rdfs:subClassOf owl:Thing)]
#------------------------------------------------------------------
# Prototype rules to convert instance reasoning to class subsumption checking
#------------------------------------------------------------------
[earlyTypeProp1: (?C rdf:type owl:Restriction) -> (?C rdf:type owl:Class) ]
[earlyTypeProp2: (?C owl:intersectionOf ?X) -> (?C rdf:type owl:Class) ]
[earlyTypeProp3: (?C rdf:type owl:Class) -> (?C rdf:type rdfs:Class) ]
[prototype1: (?c rdf:type owl:Class), noValue(?c, rb:prototype), notEqual(?c, owl:Nothing), makeTemp(?t), hide(?t)
-> (?c rb:prototype ?t), (?t rdf:type ?c) ]
[prototype2: (?c rb:prototype ?p) ->
[prototype2b: (?c rdfs:subClassOf ?d) <- (?p rdf:type ?d)] ]
#------------------------------------------------------------------
# Identify restriction assertions
#------------------------------------------------------------------
[restriction1: (?C owl:onProperty ?P), (?C owl:someValuesFrom ?D)
-> (?C owl:equivalentClass some(?P, ?D))]
[restriction2: (?C owl:onProperty ?P), (?C owl:allValuesFrom ?D)
-> (?C owl:equivalentClass all(?P, ?D))]
[restriction3: (?C owl:onProperty ?P), (?C owl:minCardinality ?X)
-> (?C owl:equivalentClass min(?P, ?X))]
[restriction4: (?C owl:onProperty ?P), (?C owl:maxCardinality ?X)
-> (?C owl:equivalentClass max(?P, ?X)) ]
[restriction5: (?C owl:onProperty ?P), (?C owl:cardinality ?X)
-> (?C owl:equivalentClass card(?P, ?X)),
(?C rdfs:subClassOf min(?P, ?X)),
(?C rdfs:subClassOf max(?P, ?X)) ]
[restriction6: (?C rdfs:subClassOf min(?P, ?X)), (?C rdfs:subClassOf max(?P, ?X))
-> (?C rdfs:subClassOf card(?P, ?X))]
# Could limit the work done here by inserting an isFunctor guard?
[restrictionPropagate1: (?C owl:equivalentClass ?R), (?D rdfs:subClassOf ?C)
-> (?D rdfs:subClassOf ?R) ]
[restrictionPropagate2: (?C owl:equivalentClass ?R), (?D owl:equivalentClass ?C)
-> (?D owl:equivalentClass ?R) ]
# Needed for the case where ?R is a restriction literal
# and so does not appear in the subject position
[restrictionSubclass1: (?D owl:equivalentClass ?R), isFunctor(?R) ->
[restrictionSubclass1b: (?X rdf:type ?D) <- (?X rdf:type ?R)] ]
# This is redundant because equivalentClass is symmetric anyway
#[restrictionSubclass2: (?D owl:equivalentClass ?R), isFunctor(?R) ->
# [restrictionSubclass2b: (?X rdf:type ?R) <- (?X rdf:type ?D)] ]
# Temp trial - might replace above
#[restrictionSubclass1: (?D owl:equivalentClass ?R), isFunctor(?R) , (?X rdf:type ?R) -> (?X rdf:type ?D)]
#[restrictionSubclass2: (?D owl:equivalentClass ?R), isFunctor(?R) , (?X rdf:type ?D) -> (?X rdf:type ?R)]
#------------------------------------------------------------------
# min cardinality
#------------------------------------------------------------------
[min: (?C rdfs:subClassOf min(?P, 1)) ->
[min1b: (?X ?P ?T) <- (?X rdf:type ?C), noValue(?X, ?P), makeInstance(?X, ?P, ?T)]
]
[minRec: (?C owl:equivalentClass min(?P, 1)), notEqual(?P, rdf:type) ->
[min2b: (?X rdf:type ?C) <- (?X ?P ?Y)] ]
[restriction-inter-MnS: (?P rdfs:range ?D), (?C rdfs:subClassOf min(?P, 1))
-> (?C rdfs:subClassOf some(?P, ?D)) ]
#------------------------------------------------------------------
# max cardinality 1
#------------------------------------------------------------------
# Rule move to sameInstance block below to ease experimentation
#[max1: (?C rdfs:subClassOf max(?P, 1)) ->
# [max1b: (?Y1 owl:sameAs ?Y2) <- bound(?Y1), (?X ?P ?Y1), (?X rdf:type ?C), (?X ?P ?Y2), notEqual(?Y1, ?Y2)]
# [max1b: (?Y1 owl:sameAs ?Y2) <- unbound(?Y1), (?X ?P ?Y2), (?X rdf:type ?C), (?X ?P ?Y1), notEqual(?Y1, ?Y2)]
# ]
[maxRec: (?C owl:equivalentClass max(?P, 1)), (?P rdf:type owl:FunctionalProperty) ->
[ (?X rdf:type ?C) <- (?X rdf:type owl:Thing)] ]
#------------------------------------------------------------------
# max cardinality 0
#------------------------------------------------------------------
# For completeness this requires iff version of rdfs:domain working forwards which it does not just now
[maxRec2: (?C owl:equivalentClass max(?P, 0)), (?P rdfs:domain ?D), (?E owl:disjointWith ?D)
-> (?E rdfs:subClassOf ?C)]
[cardRec1: (?C owl:equivalentClass card(?P, 0)), (?P rdfs:domain ?D), (?E owl:disjointWith ?D)
-> (?E rdfs:subClassOf ?C)]
[cardRec3: (?C owl:equivalentClass card(?P, 0)) ->
[cardRec2b: (?X rdf:type ?C) <- (?X rdf:type max(?P, 0))] ]
#------------------------------------------------------------------
# cardinality 1
#------------------------------------------------------------------
[restriction-inter-CFP: (?C owl:equivalentClass card(?P, 1)), (?P rdf:type owl:FunctionalProperty) ->
(?C owl:equivalentClass min(?P, 1)) ]
[cardRec2: (?C owl:equivalentClass card(?P, 1)) ->
[cardRec2b: (?X rdf:type ?C) <- (?X rdf:type min(?P, 1)), (?X rdf:type max(?P, 1)) ] ]
#------------------------------------------------------------------
# someValuesFrom
#------------------------------------------------------------------
[some1: (?C rdfs:subClassOf some(?P, ?D)), noValue(?D rdfs:subClassOf ?C)
->
[some1b: (?X ?P ?T) <- (?X rdf:type ?C), noValue(?X, ?P), makeInstance(?X, ?P, ?D, ?T) ]
[some1b2: (?T rdf:type ?D) <- (?X rdf:type ?C), makeInstance(?X, ?P, ?D, ?T) ]
# [some1b: (?X ?P ?T) <- (?X rdf:type ?C), unbound(?T), noValue(?X, ?P), makeInstance(?X, ?P, ?D, ?T) ]
# [some1b: (?X ?P ?T) <- (?X rdf:type ?C), bound(?T), makeInstance(?X, ?P, ?D, ?T) ]
# [some1b: (?T rdf:type ?D) <- (?X rdf:type ?C), unbound(?T), noValue(?X, ?P), makeInstance(?X, ?P, ?D, ?T) ]
# [some1b: (?T rdf:type ?D) <- (?X rdf:type ?C), bound(?T), makeInstance(?X, ?P, ?D, ?T) ]
]
# Variant on the normal someValuesFrom rule from the case of recursive restrictions
# will only handle ground queries to avoid infinite models.
[some1x: (?C rdfs:subClassOf some(?P, ?D)) (?D rdfs:subClassOf ?C)
->
[some1b: (?X ?P ?T) <- (?X rdf:type ?C), noValue(?X, ?P), makeInstance(?X, ?P, ?C, ?T) ]
[some1b2: (?T rdf:type ?C) <- bound(?T) (?X rdf:type ?C), makeInstance(?X, ?P, ?D, ?T) ]
]
#[someRec: (?C owl:equivalentClass some(?P, ?D)), (?P rdfs:range ?D) ->
# [someRecb: (?X rdf:type ?C) <- (?X ?P ?A) ] ]
[someRec2: (?C owl:equivalentClass some(?P, ?D)) ->
[someRec2b: (?X rdf:type ?C) <- (?X ?P ?A) (?A rdf:type ?D) ] ]
[someRec2b: (?C owl:equivalentClass some(?P, ?D)), (?D rdf:type rdfs:Datatype)->
[someRec2b: (?X rdf:type ?C) <- (?X ?P ?A), isDType(?A, ?D) ] ]
#------------------------------------------------------------------
# allValuesFrom
#------------------------------------------------------------------
[all1: (?C rdfs:subClassOf all(?P, ?D)), notEqual(?P, rdf:type), notEqual(?C, ?D) ->
[all1b: (?Y rdf:type ?D) <- (?X ?P ?Y), (?X rdf:type ?C) ] ]
[allRec1: (?C rdfs:subClassOf max(?P, 1)), (?C rdfs:subClassOf some(?P, ?D))
-> (?C rdfs:subClassOf all(?P, ?D)) ]
[allRec2: (?P rdf:type owl:FunctionalProperty), (?C rdfs:subClassOf some(?P, ?C))
-> (?C rdfs:subClassOf all(?P, ?C)) ]
[allRec3: (?C owl:equivalentClass all(?P, ?D)), (?P rdfs:range ?D) ->
[ (?X rdf:type ?C) <- (?X rdf:type owl:Thing)] ]
[allRec4: (?P rdf:type owl:FunctionalProperty), (?C owl:equivalentClass all(?P, ?D))
-> [ (?X rdf:type ?C) <- (?X ?P ?Y) (?Y rdf:type ?D) ] ]
[allRec5: (?C rdfs:subClassOf max(?P, 1)) (?C owl:equivalentClass all(?P, ?D))
-> [ (?X rdf:type ?C) <- (?X ?P ?Y) (?Y rdf:type ?D) ] ]
[restriction-inter-RA-T: (?P rdfs:range ?C), (?D owl:equivalentClass all(?P, ?C))
-> (owl:Thing rdfs:subClassOf ?D) ]
[restriction-inter-AT-R: (owl:Thing rdfs:subClassOf all(?P, ?C))
-> (?P rdfs:range ?C), (?P rdf:type owl:ObjectProperty) ]
# This version looks strange but we are experimenting with droping the direct
# subclass transitive closure and inferring from prototypes, but that is being
# done backwards for forwards subclass relationships are handled as special cases
#[restriction-inter-AT-R: (owl:Thing rdfs:subClassOf ?D) (?D owl:equivalentClass all(?P, ?C))
# -> (?P rdfs:range ?C), (?P rdf:type owl:ObjectProperty) ]
#------------------------------------------------------------------
# One direction of unionOf
#------------------------------------------------------------------
[unionOf1: (?C owl:unionOf ?L) -> listMapAsSubject(?L, rdfs:subClassOf ?C) ]
# Note could also add relation between two unionOf's if we add a listSubsumes primitive
#------------------------------------------------------------------
# Nothing
#------------------------------------------------------------------
[nothing1: (?C rdfs:subClassOf min(?P, ?n)) (?C rdfs:subClassOf max(?P, ?x))
lessThan(?x, ?n) -> (?C owl:equivalentClass owl:Nothing) ]
[nothing2: (?C rdfs:subClassOf ?D) (?C rdfs:subClassOf ?E) (?D owl:disjointWith ?E)
-> (?C owl:equivalentClass owl:Nothing) ]
[nothing3: (?C rdfs:subClassOf owl:Nothing) -> (?C owl:equivalentClass owl:Nothing) ]
[nothing4: (?C owl:oneOf rdf:nil) -> (?C owl:equivalentClass owl:Nothing) ]
#------------------------------------------------------------------
# Disjointness
#------------------------------------------------------------------
#[distinct1: (?C owl:disjointWith ?D), (?X rdf:type ?C), (?Y rdf:type ?D)
# -> (?X owl:differentFrom ?Y) ]
[distinct1: (?X owl:differentFrom ?Y) <-
(?C owl:disjointWith ?D), (?X rdf:type ?C), (?Y rdf:type ?D) ]
# Exploding the pairwise assertions is simply done procedurally here.
# This is better handled by a dedicated equality reasoner any.
[distinct2: (?w owl:distinctMembers ?L) -> assertDisjointPairs(?L) ]
#------------------------------------------------------------------
# Class equality
#------------------------------------------------------------------
# equivalentClass
[equivalentClass1: (?P owl:equivalentClass ?Q)
-> (?P rdfs:subClassOf ?Q), (?Q rdfs:subClassOf ?P) ]
[equivalentClass2: (?P owl:equivalentClass ?Q) <- (?P rdfs:subClassOf ?Q), (?Q rdfs:subClassOf ?P) ]
[equivalentClass3: (?P owl:sameAs ?Q), (?P rdf:type rdfs:Class), (?Q rdf:type rdfs:Class)
-> (?P owl:equivalentClass ?Q) ]
#------------------------------------------------------------------
# Instance equality
#------------------------------------------------------------------
# sameAs
#[sameAs1: (?P rdf:type owl:FunctionalProperty) ->
# [sameAs1b: (?B owl:sameAs ?C) <- unbound(?C), (?A ?P ?B), (?A ?P ?C) ]
# [sameAs1b: (?B owl:sameAs ?C) <- bound(?C), (?A ?P ?C), (?A ?P ?B) ]
# ]
#
#[sameAs2: (?P rdf:type owl:InverseFunctionalProperty) ->
# [sameAs2b: (?A owl:sameAs ?C) <- unbound(?C), (?A ?P ?B), (?C ?P ?B) ]
# [sameAs2b: (?A owl:sameAs ?C) <- bound(?C), (?C ?P ?B), (?A ?P ?B) ]
# ]
#
##[sameAs3: (?X owl:sameAs ?Y), (?X rdf:type owl:Thing), (?Y rdf:type owl:Thing)
## -> (?X owl:sameAs ?Y) ]
#
#[sameAs4a: (?Y ?P ?V) <- unbound(?V), (?X owl:sameAs ?Y), notEqual(?X,?Y), (?X ?P ?V) ]
#[sameAs4c: (?Y ?P ?V) <- bound(?V), (?X ?P ?V), notEqual(?X,?Y), (?X owl:sameAs ?Y) ]
#[sameAs5a: (?V ?P ?Y) <- unbound(?V), (?X owl:sameAs ?Y), notEqual(?X,?Y), (?V ?P ?X) ]
#[sameAs5c: (?V ?P ?Y) <- bound(?V), (?V ?P ?X), notEqual(?X,?Y), (?X owl:sameAs ?Y) ]
#
#[sameAs6: (?X rdf:type owl:Thing) <- (?X owl:sameAs ?Y) ]
##[sameAs6: (?Y rdf:type owl:Thing) <- (?X owl:sameAs ?Y) ]
#------------------------------------------------------------------
# Experimental forward version of instance equality
#------------------------------------------------------------------
# sameAs recognition rules - forward version
[fp1: (?P rdf:type owl:FunctionalProperty), (?A ?P ?B), notLiteral(?B), (?A ?P ?C), notLiteral(?C)
notEqual(?B, ?C) -> (?B owl:sameAs ?C) ]
[ifp1: (?P rdf:type owl:InverseFunctionalProperty), (?A ?P ?B), (?C ?P ?B)
notEqual(?A, ?C) -> (?A owl:sameAs ?C) ]
[fp1: (?P rdf:type owl:FunctionalProperty), (?A ?P ?B), notLiteral(?B), (?A ?Q ?C), notLiteral(?C),
notEqual(?B, ?C), (?Q rdfs:subPropertyOf ?P) -> (?B owl:sameAs ?C) ]
[ifp1: (?P rdf:type owl:InverseFunctionalProperty), (?A ?P ?B), (?C ?Q ?B)
notEqual(?A, ?C), (?Q rdfs:subPropertyOf ?P) -> (?A owl:sameAs ?C) ]
[fpEarlyProp: (?P rdf:type owl:FunctionalProperty) (?Q rdfs:subPropertyOf ?P) ->
(?Q rdf:type owl:FunctionalProperty) ]
[ifpEarlyProp: (?P rdf:type owl:InverseFunctionalProperty) (?Q rdfs:subPropertyOf ?P) ->
(?Q rdf:type owl:InverseFunctionalProperty) ]
# This rule is not sufficient if the type inference is being done backwards
[max1: (?C rdfs:subClassOf max(?P, 1)), (?X ?P ?Y1), notLiteral(?Y1), (?X rdf:type ?C), (?X ?P ?Y2), notLiteral(?Y2),
notEqual(?Y1, ?Y2) -> (?Y1 owl:sameAs ?Y2) ]
# Subclass inheritance not normally availabe forward which causes problems for max1,
# patch this but just for restrictions to limit costs
[subClassTemp: (?C rdfs:subClassOf ?R), isFunctor(?R), (?B rdfs:subClassOf ?C) -> (?B rdfs:subClassOf ?R) ]
# sameAs propagation rules - forward version
[sameAs1: (?A owl:sameAs ?B) -> (?B owl:sameAs ?A) ]
[sameAs2: (?A owl:sameAs ?B) (?B owl:sameAs ?C) -> (?A owl:sameAs ?C) ]
[sameAs6: (?X rdf:type owl:Thing) <- (?X owl:sameAs ?Y) ]
# Was
# [sameAs7: (?X owl:sameAs ?X) <- bound(?X) (?X rdf:type owl:Thing) ]
# which is not complete and breaks the find() contract.
# Investigate why I though this was a useful thing to do in the first place!
[sameAs7: (?X owl:sameAs ?X) <- (?X rdf:type owl:Thing) ]
# Equality processing rules
[equality1: (?X owl:sameAs ?Y), notEqual(?X,?Y) ->
[(?X ?P ?V) <- (?Y ?P ?V)]
[(?V ?P ?X) <- (?V ?P ?Y)] ]
[equality2: (?X owl:sameAs ?Y), (?X rdf:type owl:Class) -> (?X owl:equivalentClass ?Y) ]
[equality3: (?X owl:sameAs ?Y), (?X rdf:type rdf:Property) -> (?X owl:equivalentProperty ?Y) ]
#------------------------------------------------------------------
# Property rules
#------------------------------------------------------------------
# EquivalentProperty
[equivalentProperty1: (?P owl:equivalentProperty ?Q)
-> (?P rdfs:subPropertyOf ?Q), (?Q rdfs:subPropertyOf ?P) ]
[equivalentProperty2: (?P rdfs:subPropertyOf ?Q), (?Q rdfs:subPropertyOf ?P)
-> (?P owl:equivalentProperty ?Q) ]
[equivalentProperty3: (?P owl:sameAs ?Q), (?P rdf:type rdf:Property), (?Q rdf:type rdf:Property)
-> (?P owl:equivalentProperty ?Q) ]
# SymmetricProperty
[symmetricProperty1: (?P rdf:type owl:SymmetricProperty) ->
[symmetricProperty1b: (?X ?P ?Y) <- (?Y ?P ?X)] ]
# inverseOf
[inverseOf1: (?P owl:inverseOf ?Q) -> (?Q owl:inverseOf ?P) ]
[inverseOf2: (?P owl:inverseOf ?Q) -> [inverseOf2b: (?X ?P ?Y) <- (?Y ?Q ?X)] ]
[inverseOf3: (?P owl:inverseOf ?Q), (?P rdf:type owl:FunctionalProperty)
-> (?Q rdf:type owl:InverseFunctionalProperty) ]
[inverseOf4: (?P owl:inverseOf ?Q), (?P rdf:type owl:InverseFunctionalProperty)
-> (?Q rdf:type owl:FunctionalProperty) ]
[inverseof5: (?P owl:inverseOf ?Q) (?P rdfs:range ?C) -> (?Q rdfs:domain ?C)]
[inverseof6: (?P owl:inverseOf ?Q) (?P rdfs:domain ?C) -> (?Q rdfs:range ?C)]
# TransitiveProperty
[transitiveProperty1: (?P rdf:type owl:TransitiveProperty) ->
# [transitiveProperty1b: (?A ?P ?C) <- (?A ?P ?B), (?B ?P ?C)] ]
[transitiveProperty1b: (?A ?P ?C) <- bound (?C), (?B ?P ?C), (?A ?P ?B)]
[transitiveProperty1b: (?A ?P ?C) <- unbound (?C), (?A ?P ?B) (?B ?P ?C)]
]
# Object properties
[objectProperty: (?P rdf:type owl:ObjectProperty) ->
(?P rdfs:domain owl:Thing) (?P rdfs:range owl:Thing) ]
#------------------------------------------------------------------
# Restricted support for hasValue, even though that is beyond OWL/lite
#------------------------------------------------------------------
# hasValue
[hasValueRec: (?C owl:onProperty ?P), (?C owl:hasValue ?V)
-> (?C owl:equivalentClass hasValue(?P, ?V)) ]
[hasValueIF: (?C owl:equivalentClass hasValue(?P, ?V)) ->
[ (?x ?P ?V) <- (?x rdf:type ?C) ]
[ (?x rdf:type ?C) <- (?x ?P ?V) ]
]
[hasValueProp: (?P rdf:type owl:FunctionalProperty) (?Q rdf:type owl:FunctionalProperty)
(?P rdfs:domain ?D) (?Q rdfs:domain ?D)
(?D owl:equivalentClass hasValue(?P, ?V))
(?D owl:equivalentClass hasValue(?Q, ?V))
-> (?P owl:equivalentProperty ?Q)]
#------------------------------------------------------------------
# Restricted support for oneOf, even though that is beyond OWL/lite
#------------------------------------------------------------------
[oneOfFP: (?P rdfs:range ?C) (?C owl:oneOf ?l) (?l rdf:first ?x) (?l rdf:rest rdf:nil)
-> (?P rdf:type owl:FunctionalProperty) ]
[oneOfIFP: (?P rdfs:domain ?C) (?C owl:oneOf ?l) (?l rdf:first ?x) (?l rdf:rest rdf:nil)
-> (?P rdf:type owl:InverseFunctionalProperty) ]
[oneOf1: (?C owl:oneOf ?l) -> listMapAsSubject(?l, rdf:type, ?C) ]
[oneOf2: (?C owl:oneOf ?l1) (?D owl:oneOf ?l2) notEqual(?l1, ?l2) listEqual(?l1, ?l2) -> (?C owl:equivalentClass ?D) ]
[oneOf3: (?C owl:oneOf ?l) (?l rdf:first ?x) (?l rdf:rest rdf:nil) ->
[ (?Y ?P ?x) <- (?Y ?P ?I) (?I rdf:type ?C) ] ]
#------------------------------------------------------------------
# Declaration of main XSD datatypes
#------------------------------------------------------------------
-> (xsd:float rdf:type rdfs:Datatype).
-> (xsd:double rdf:type rdfs:Datatype).
-> (xsd:int rdf:type rdfs:Datatype).
-> (xsd:long rdf:type rdfs:Datatype).
-> (xsd:short rdf:type rdfs:Datatype).
-> (xsd:byte rdf:type rdfs:Datatype).
-> (xsd:unsignedByte rdf:type rdfs:Datatype).
-> (xsd:unsignedShort rdf:type rdfs:Datatype).
-> (xsd:unsignedInt rdf:type rdfs:Datatype).
-> (xsd:unsignedLong rdf:type rdfs:Datatype).
-> (xsd:decimal rdf:type rdfs:Datatype).
-> (xsd:integer rdf:type rdfs:Datatype).
-> (xsd:nonPositiveInteger rdf:type rdfs:Datatype).
-> (xsd:nonNegativeInteger rdf:type rdfs:Datatype).
-> (xsd:positiveInteger rdf:type rdfs:Datatype).
-> (xsd:negativeInteger rdf:type rdfs:Datatype).
-> (xsd:boolean rdf:type rdfs:Datatype).
-> (xsd:string rdf:type rdfs:Datatype).
-> (xsd:anyURI rdf:type rdfs:Datatype).
-> (xsd:hexBinary rdf:type rdfs:Datatype).
-> (xsd:base64Binary rdf:type rdfs:Datatype).
-> (xsd:date rdf:type rdfs:Datatype).
-> (xsd:time rdf:type rdfs:Datatype).
-> (xsd:dateTime rdf:type rdfs:Datatype).
-> (xsd:duration rdf:type rdfs:Datatype).
-> (xsd:gDay rdf:type rdfs:Datatype).
-> (xsd:gMonth rdf:type rdfs:Datatype).
-> (xsd:gYear rdf:type rdfs:Datatype).
-> (xsd:gYearMonth rdf:type rdfs:Datatype).
-> (xsd:gMonthDay rdf:type rdfs:Datatype).
-> (xsd:integer rdfs:subClassOf xsd:decimal).
-> hide(rb:xsdBase).
-> hide(rb:xsdRange).
-> hide(rb:prototype).
-> (xsd:byte rb:xsdBase xsd:decimal).
-> (xsd:short rb:xsdBase xsd:decimal).
-> (xsd:int rb:xsdBase xsd:decimal).
-> (xsd:long rb:xsdBase xsd:decimal).
-> (xsd:unsignedByte rb:xsdBase xsd:decimal).
-> (xsd:unsignedShort rb:xsdBase xsd:decimal).
-> (xsd:unsignedInt rb:xsdBase xsd:decimal).
-> (xsd:unsignedLong rb:xsdBase xsd:decimal).
-> (xsd:integer rb:xsdBase xsd:decimal).
-> (xsd:nonNegativeInteger rb:xsdBase xsd:decimal).
-> (xsd:nonPositiveInteger rb:xsdBase xsd:decimal).
-> (xsd:byte rb:xsdBase xsd:decimal).
-> (xsd:float rb:xsdBase xsd:float).
-> (xsd:decimal rb:xsdBase xsd:decimal).
-> (xsd:string rb:xsdBase xsd:string).
-> (xsd:boolean rb:xsdBase xsd:boolean).
-> (xsd:date rb:xsdBase xsd:date).
-> (xsd:time rb:xsdBase xsd:time).
-> (xsd:dateTime rb:xsdBase xsd:dateTime).
-> (xsd:duration rb:xsdBase xsd:duration).
# Describe range (base type, signed, min bits)
-> (xsd:byte rb:xsdRange xsd(xsd:integer,1,8)).
-> (xsd:short rb:xsdRange xsd(xsd:integer,1,16)).
-> (xsd:int rb:xsdRange xsd(xsd:integer,1,32)).
-> (xsd:long rb:xsdRange xsd(xsd:integer,1,64)).
-> (xsd:integer rb:xsdRange xsd(xsd:integer,1,65)).
-> (xsd:unsignedByte rb:xsdRange xsd(xsd:integer,0,8)).
-> (xsd:unsignedShort rb:xsdRange xsd(xsd:integer,0,16)).
-> (xsd:unsignedInt rb:xsdRange xsd(xsd:integer,0,32)).
-> (xsd:unsignedLong rb:xsdRange xsd(xsd:integer,0,64)).
-> (xsd:nonNegativeInteger rb:xsdRange xsd(xsd:integer,0,65)).
# Some XSD support may be disabled temporarily during performance checking
[xsd1: (?X rdfs:subClassOf ?Y) <-
(?X rb:xsdRange xsd(?B, 0, ?L)) (?Y rb:xsdRange xsd(?B, ?S, ?L2)) le(?L, ?L2)]
[xsd2: (?X rdfs:subClassOf ?Y) <-
(?X rb:xsdRange xsd(?B, 1, ?L)) (?Y rb:xsdRange xsd(?B, 1, ?L2)) le(?L, ?L2)]
[range1: (?P rdfs:range ?C) <-
(?P rdfs:range ?D), (?D rb:xsdRange xsd(?B, ?S1, ?L1)),
(?P rdfs:range ?E), notEqual(?D, ?E),
(?E rb:xsdRange xsd(?B, ?S2, ?L2)),
min(?S1, ?S2, ?S3),
min(?L1, ?L2, ?L3),
(?C rb:xsdRange xsd(?B, ?S3, ?L3)),
]
[range2: (?P rdfs:range xsd:byte) <- (?P rdfs:range xsd:nonNegativeInteger),
(?P rdfs:range xsd:nonPositiveInteger)]
[range3: (?P rdfs:range owl:Nothing) <- (?P rdfs:range ?C), (?P rdfs:range ?D), notEqual(?C, ?D)
(?C owl:disjointWith ?D) ]
[xsd3: (?C owl:disjointWith ?D) <- (?C rb:xsdBase ?BC), (?D rb:xsdBase ?BD), notEqual(?BC, ?BD) ]
[range4: (?P rdfs:subPropertyOf ?Q) <- (?P rdfs:range owl:Nothing) (?Q rdf:type rdf:Property)]
#------------------------------------------------------------------
# Validation rules. These are dormant by default but are triggered
# by the additional of a validation control triple to the graph.
#------------------------------------------------------------------
[validationDomainMax0: (?v rb:validation on()), (?C rdfs:subClassOf max(?P, 0)), (?P rdfs:domain ?C) ->
(?P rb:violation error('inconsistent property definition', 'Property defined with domain which has a max(0) restriction for that property (domain)', ?C) )
]
[validationMax0: (?v rb:validation on()), (?C rdfs:subClassOf max(?P, 0)) ->
[max2b: (?X rb:violation error('too many values', 'Value for max-0 property (prop, class)', ?P, ?C))
<- (?X rdf:type ?C), (?X ?P ?Y) ] ]
[validationMaxN: (?v rb:validation on()), (?C rdfs:subClassOf max(?P, ?N)) greaterThan(?N, 1) (?P rdf:type owl:DatatypeProperty) ->
[max2b: (?X rb:violation error('too many values', 'Too many values on max-N property (prop, class)', ?P, ?C))
<- (?X rdf:type ?C), countLiteralValues(?X, ?P, ?M), lessThan(?N, ?M) ] ]
[validationMax1: (?v rb:validation on()), (?C rdfs:subClassOf max(?P, 1)) (?P rdf:type owl:DatatypeProperty) ->
[fpb: (?X rb:violation error('too many values', 'Clashing literal values for card1 property', ?P, ?V, ?U))
<- (?X rdf:type ?C) (?X ?P ?V), (?X ?P ?U), isLiteral(?V), isLiteral(?U), notEqual(?V, ?U) ] ]
[validationFP: (?v rb:validation on()), (?P rdf:type owl:FunctionalProperty) (?P rdf:type owl:DatatypeProperty) ->
[fpb: (?X rb:violation error('too many values', 'Clashing literal values for functional property', ?P, ?V, ?U))
<- (?X ?P ?V), (?X ?P ?U), isLiteral(?V), isLiteral(?U), notEqual(?V, ?U) ] ]
[validationMax1I: (?v rb:validation on()), (?C rdfs:subClassOf max(?P, 1)) (?P rdf:type owl:ObjectProperty) ->
[fpb: (?X rb:violation error('too many values', 'Clashing individual values for card1 property', ?P, ?V, ?U))
<- (?X rdf:type ?C) (?X ?P ?V), (?X ?P ?U), notEqual(?V, ?U), (?U owl:differentFrom ?V) ] ]
[validationFPI: (?v rb:validation on()), (?P rdf:type owl:FunctionalProperty) (?P rdf:type owl:ObjectProperty) ->
[fpb: (?X rb:violation error('too many values', 'Clashing individual values for functional property', ?P, ?V, ?U))
<- (?X ?P ?V), (?X ?P ?U), notEqual(?V, ?U), (?U owl:differentFrom ?V) ] ]
[validationIndiv: (?v rb:validation on()) ->
[validationIndiv: (?X rb:violation error('conflict', 'Two individuals both same and different, may be due to disjoint classes or functional properties', ?Y))
<- (?X owl:differentFrom ?Y), (?X owl:sameAs ?Y), noValue(?T, rb:prototype ?X) ] ]
[validationIndiv2: (?v rb:validation on()) (?X owl:disjointWith ?Y) ->
[validationIndiv: (?I rb:violation error('conflict', 'Individual a member of disjoint classes', ?X, ?Y))
<- (?I rdf:type ?X), (?I rdf:type ?Y) noValue(?T rb:prototype ?I)] ]
[validationIndiv3: (?v rb:validation on()) ->
[validationIndiv: (?I rb:violation error('conflict', 'Individual a member of Nothing', ?I))
<- (?I rdf:type owl:Nothing) noValue(?T rb:prototype ?I) ] ]
[validationDisjoint: (?v rb:validation on()) (?X owl:disjointWith ?Y) ->
[validationIndiv: (?X rb:violation warn('Inconsistent class', 'Two classes related by both subclass and disjoint relations', ?Y))
<- (?X owl:disjointWith ?Y), (?X rdfs:subClassOf ?Y) ] ]
[validationDisjoint2: (?v rb:validation on()) (?X owl:disjointWith ?Y) ->
[validationIndiv: (?C rb:violation warn('Inconsistent class', 'subclass of two disjoint classes', ?X, ?Y))
<- (?X owl:disjointWith ?Y), (?C rdfs:subClassOf ?X) (?C rdfs:subClassOf ?Y) notEqual(?C, owl:Nothing) ] ]
[validationDTP: (?v rb:validation on()), (?P rdf:type owl:DatatypeProperty) ->
[validationDTP: (?X rb:violation error('range check', 'Object value for datatype property (prop, value)', ?P, ?V))
<- (?X ?P ?V), notLiteral(?V), notBNode(?V) ] ]
[validationOP: (?v rb:validation on()), (?P rdf:type owl:ObjectProperty) ->
[validationDTP: (?X rb:violation warn('range check', 'Literal value for object property (prop, value)', ?P, ?V))
<- (?X ?P ?V), isLiteral(?V) ] ]
[validationDTRange: (?v rb:validation on()), (?P rdfs:range ?R) (?R rdf:type rdfs:Datatype) ->
[validationDTRange: (?X rb:violation error('range check', 'Incorrectly typed literal due to range (prop, value)', ?P, ?V))
<- (?X ?P ?V), notDType(?V, ?R) ] ]
[validationDTRange: (?v rb:validation on()), (?P rdfs:range rdfs:Literal) ->
[validationDTRange: (?X rb:violation error('range check', 'Incorrectly typed literal due to range rdsf:Literal (prop, value)', ?P, ?V))
<- (?X ?P ?V), notLiteral(?V), notBNode(?V) ] ]
[validationAllFrom: (?v rb:validation on()), (?C rdfs:subClassOf all(?P, ?R)) (?R rdf:type rdfs:Datatype) ->
[validationDTRange: (?X rb:violation error('range check', 'Incorrectly typed literal due to allValuesFrom (prop, value)', ?P, ?V))
<- (?X ?P ?V), (?X rdf:type ?C), notDType(?V, ?R) ] ]
[validationAllFrom: (?v rb:validation on()), (?C owl:equivalentClass all(?P, rdfs:Literal)) ->
[validationDTRange: (?X rb:violation error('range check', 'Incorrectly typed literal due to allValuesFrom rdfs:Literal (prop, value)', ?P, ?V))
<- (?X ?P ?V), (?X rdf:type ?C), notDType(?V, rdfs:Literal)
] ]
[validationNothing: (?v rb:validation on()), (?C owl:equivalentClass owl:Nothing) notEqual(?C, owl:Nothing) ->
(?C rb:violation warn('Inconsistent class', 'Class cannot be instantiated, probably subclass of a disjoint classes or of an empty restriction'))
]
[validationRangeNothing: (?v rb:validation on()), (?P rdfs:range owl:Nothing) ->
(?C rb:violation warn('Inconsistent property', 'Property cannot be instantiated, probably due to multiple disjoint range declarations'))
]
[validationOneOf: (?v rb:validation on()) (?C owl:oneOf ?L) ->
[validationIndiv: (?X rb:violation warn('possible oneof violation', 'Culprit is deduced to be of enumerated type (implicicated class) but is not one of the enumerations\n This may be due to aliasing.', ?Y))
<- (?X rdf:type ?C), notBNode(?X), listNotContains(?L, ?X) ] ]
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