#An owl ontology

#Following tries to make an ontology of owls using rdf, rdfs and owl. A small amount of #statements about owl (Ontology Web Language) is made also. 

@prefix : <http://test/owl_ontology/>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

:Owls a owl:Class.
:Owl  a owl:Ontology;
rdfs:comment "About owls from North-America.".
owl:Owl a owl:Ontology. 

:habitat a rdf:Property.
:food a rdf:Property. 
:noise a rdf:Property.
:color a rdf:Property.

owl:Great_Horned_owl rdfs:subClassOf owl:Owl;
owl:sameClassAs owl:ghowl;
dc:creator "Pat Hayes";
rdfs:comment "Is in fierce competition with other owls.".

:pellets a owl:Class.

:owl_family rdfs:subClassOf :Owls.
:Barn_Owls rdfs:subClassOf :owl_family.
:Barn_Owls owl:sameClassAs :Tytonidae.
:Typical_Owls rdfs:subClassOF :owl_family.
:Typical_owls owl:sameClassAs :Strigidae. 

:number_of_species a owl:DatatypeProperty;
rdfs:range <http://www.w3.org/2000/10/XMLSchema#integer>.
:size a owl:DatatypeProperty;
rdfs:range <http://www.w3.org/2000/10/XMLSchema#integer>.

:Barn_Owls :number_of_species "10";
rdfs:comment "Data for North-America.".

:Great_Horned_Owl a :Typical_Owls; :size "2";
:noise "whoo, hoo-hoo";
rdfs:comment "Size is in feet.".

:Long_Eared_Owl :size "1.50";
rdfs:comment "Size is in feet.".

:Barn_Owl :length "13-20 inches";
:habitat "forest near open fields, farmland, towns";
:food "mice, crickets, gophers".

:Screech_Owl :food "rodents, snails, snakes and baby birds.";
:length "9 inches";
:habitat "forests, groves, towns, farms, parks.".

:Barred_Owl :habitat "Woodland";
rdfs:comment "The prototypical owls from fairy tails and picture books.".

:Great_Gray_Owl :habitat "Northern forests and the mountains.";
:length "16-23 inches3";
:color "Mottled brown, with narred throat and streaked underparts.";
:habitat "Wet woodlands, wooded swamps and floodplains.".

:Snowy_Owl :food "lemmings and rabbits";
:color "White with black flecks.";
:length "19-25 inches";
:habitat "tundra, brushy areas, prairies, dunes, marsh".

:Burrowing_Owl :habitat "holes in the ground near prairie dog towns";
:food "lizards, insects, prairie dogs".

:Pygmy_Owl :habitat "evergreen forests and wooded canyons";
:length "size of a sparrow";

:Elf_owl rdfs:comment "tiniest owl".