dynamic.py

from owlready2 import *

try:
    my_onto = get_ontology("west0.owl").load()
    print("\nLoading existing owl...")
except IOError:
    my_onto = get_ontology("http://test/west0.owl")
    print("\nCreating new owl...")



with my_onto:
    class Action(Thing):
        pass

    class Adjective(Thing):
        pass

    class Entity(Thing):
        pass

    class Preposition(Thing):
        pass

    class hasAdj(ObjectProperty):
        pass

    class hasObject(ObjectProperty):
       pass

    class hasSubject(ObjectProperty):
       pass

    class hasPrep(ObjectProperty):
       pass



print("\nClasses list:\n")
print(Action)
print(Adjective)
print(Entity)
print(Preposition)

with my_onto:
    my_new_classes = []
    my_new_classes.append(types.new_class("Sell.VBZ", (Action,)))
    my_new_classes.append(types.new_class("Hostile.JJ", (Adjective,)))
    my_new_classes.append(types.new_class("American.NN", (Entity,)))
    my_new_classes.append(types.new_class("Colonel_West.NNP", (Entity,)))
    my_new_classes.append(types.new_class("Criminal.NN", (Entity,)))
    my_new_classes.append(types.new_class("Cuba.NNP", (Entity,)))
    my_new_classes.append(types.new_class("Nation.NN", (Entity,)))
    my_new_classes.append(types.new_class("Weapon.NNS", (Entity,)))
    my_new_classes.append(types.new_class("To.IN", (Preposition,)))
    my_new_classes.append(types.new_class("Be.VBZ", (Action,)))

    print("\nSubclasses list:\n")

    for c in my_new_classes:
        print(c)  # qwerty.NewClassName

    my_obj = []
    my_obj.append(my_new_classes[0]("Sell"))
    my_obj.append(my_new_classes[1]("Hostile"))
    my_obj.append(my_new_classes[2]("American"))

    # Colonel_West type Colonel_West_NNP
    my_obj.append(my_new_classes[2]("Colonel_West"))
    # Colonel_West type American_NN
    my_obj.append(my_new_classes[3]("Colonel_West"))

    my_obj.append(my_new_classes[4]("Criminal"))

    # Cuba type Cuba_NNP
    my_obj.append(my_new_classes[5]("Cuba"))
    # Cuba type Nation_NN
    my_obj.append(my_new_classes[6]("Cuba"))

    my_obj.append(my_new_classes[6]("Nation"))

    my_obj.append(my_new_classes[7]("Missiles"))
    my_obj.append(my_new_classes[8]("To"))

    print("\nIndividuals list:\n")

    for i in my_obj:
        print(i)

    print("\nAssertions list:\n")

    # Cuba hasAdj Hostile
    my_obj[6].hasAdj = [my_obj[1]]
    print(my_obj[6], hasAdj, my_obj[6].hasAdj)

    # Sell hasPrep To
    my_obj[0].hasPrep = [my_obj[10]]
    print(my_obj[0], hasPrep, my_obj[0].hasPrep)

    # Sell hasSubj Colonel_West
    my_obj[0].hasSubject = [my_obj[3]]
    print(my_obj[0], hasSubject, my_obj[0].hasSubject)

    # Sell hasObj Missiles
    my_obj[0].hasObject = [my_obj[9]]
    print(my_obj[0], hasObject, my_obj[0].hasObject)

    # To hasObj cuba
    my_obj[10].hasObject = [my_obj[6]]
    print(my_obj[10], hasObject, my_obj[10].hasObject)

    # Asserting SWRL rule
    rule = Imp()
    rule.set_as_rule("hasSubject(?x2, ?x1), American.NN(?x1), Weapon.NNS(?x3), hasObject(?x2, ?x3), Sell.VBZ(?x2), hasPrep(?x2, ?x4), To.IN(?x4), hasObject(?x4, ?x5), Nation.NN(?x5), hasAdj(?x5, ?x6), Hostile.JJ(?x6) -> Criminal.NN(?x1)")

    print("\nRule")

    print("body: ", rule.body)
    print("head: ", rule.head)

my_onto.save(file="west0.owl", format="rdfxml")


with my_onto:
   #sync_reasoner_pellet() #sincronizziamo il ragionatore e mettiamo le inferenze dentro l'ontologia onto
   #close_world(Entity)
   my_onto.save(file="west0.owl", format="rdfxml")


print("SPARQL")

my_world = owlready2.World()
my_world.get_ontology("west0.owl").load()  # path to the owl file is given here

sync_reasoner(my_world)
graph = my_world.as_rdflib_graph()


result = list(graph.query("""Select ?p WHERE {?p <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://test/west0.owl#Criminal.NN>.}"""))
#result = list(graph.query("""SELECT ?o WHERE {?s ?p ?o .FILTER regex(str(?o), "Colonel_West") .}"""))


for element in result:
    print(element)

result = list(graph.query("ASK WHERE {<http://test/west0.owl#Colonel_West> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://test/west0.owl#Criminal.NN>.}"))

print(result)