我的本体是关于鸡尾酒的。这是一款名为“AfterGlow”的鸡尾酒
<owl:Class rdf:about="&cocktails;AfterGlow">
<owl:equivalentClass>
<owl:Class>
<owl:intersectionOf rdf:parseType="Collection">
<owl:Restriction>
<owl:onProperty rdf:resource="&cocktails;aPourIngredient"/>
<owl:someValuesFrom rdf:resource="&cocktails;JusAnanas"/>
</owl:Restriction>
<owl:Restriction>
<owl:onProperty rdf:resource="&cocktails;aPourIngredient"/>
<owl:someValuesFrom rdf:resource="&cocktails;JusOrange"/>
</owl:Restriction>
<owl:Restriction>
<owl:onProperty rdf:resource="&cocktails;aPourIngredient"/>
<owl:someValuesFrom rdf:resource="&cocktails;SiropGrenadine"/>
</owl:Restriction>
<owl:Restriction>
<owl:onProperty rdf:resource="&cocktails;aPourDescription"/>
<owl:hasValue>Descriptoion AfterGlow</owl:hasValue>
</owl:Restriction>
<owl:Restriction>
<owl:onProperty rdf:resource="&cocktails;aPourTitre"/>
<owl:hasValue>AfterGlow</owl:hasValue>
</owl:Restriction>
</owl:intersectionOf>
</owl:Class>
</owl:equivalentClass>
<rdfs:subClassOf rdf:resource="&cocktails;Cocktail"/>
</owl:Class>
JusOrange
意思是橙汁
JusAnanas
意思是菠萝汁
aPourIngredient
是一个property
意思是“有(包含)成分”
这是列出我所有鸡尾酒及其限制的请求
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX : <http://www.semanticweb.org/cocktails#>
SELECT *
WHERE {
?Cocktail rdfs:subClassOf :Cocktail.
?Cocktail owl:equivalentClass ?restriction .
}
我如何请求例如“选择所有包含 JusAnanas 和 JusOrange 的鸡尾酒”
你可以在这里找到我的本体:
https://s3-eu-west-1.amazonaws.com/ontologycero/cocktailsOnthology.owl
我已经找到了一个丑陋的请求,但是它不可用,因为我们必须知道使用这种请求的本体。
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX : <http://www.semanticweb.org/cocktails#>
SELECT *
WHERE {
?Cocktail rdfs:subClassOf :Cocktail.
?Cocktail owl:equivalentClass ?restriction .
?restriction owl:intersectionOf ?intersection.
?intersection rdf:first ?ingredient1.
?intersection rdf:rest ?rest1.
?rest1 rdf:first ?ingredient2.
?rest1 rdf:rest ?rest2.
?rest2 rdf:first ?ingredient3.
?ingredient1 owl:someValuesFrom :JusAnanas.
?ingredient2 owl:someValuesFrom :JusOrange.
}