def generate_langnotlang_literal_po_map(RML_graph, map_name, predicate,
property_number):
map_name = URIRef(f"http://example.org/entity/{map_name}Map")
predicate = convert_string_to_IRI(predicate)
# lang
po_map_lang = BNode()
object_map_lang = BNode()
language_map = BNode()
property_number_lang = Literal(
f'{property_number}[not(@rdf:resource)][@xml:lang]')
language_map_reference = Literal(f'{property_number}/@xml:lang')
RML_graph.add((map_name, rr.predicateObjectMap, po_map_lang))
RML_graph.add((po_map_lang, rr.predicate, predicate))
RML_graph.add((po_map_lang, rr.objectMap, object_map_lang))
RML_graph.add((object_map_lang, rml.reference, property_number_lang))
RML_graph.add((object_map_lang, rr.termType, rr.Literal))
RML_graph.add((object_map_lang, rml.languageMap, language_map))
RML_graph.add((language_map, rml.reference, language_map_reference))
# not lang
po_map_not_lang = BNode()
object_map_not_lang = BNode()
property_number_not_lang = Literal(
f'{property_number}[not(@rdf:resource) and not(@xml:lang)]')
RML_graph.add((map_name, rr.predicateObjectMap, po_map_not_lang))
RML_graph.add((po_map_not_lang, rr.predicate, predicate))
RML_graph.add((po_map_not_lang, rr.objectMap, object_map_not_lang))
RML_graph.add(
(object_map_not_lang, rml.reference, property_number_not_lang))
RML_graph.add((object_map_not_lang, rr.termType, rr.Literal))
return RML_graph
def generate_lang_literal_split_po_map(RML_graph, map_name, predicate,
RDA_prop):
if RDA_prop in classification_props:
generate_not_lang_literal_split_po_map(RML_graph, map_name, predicate,
RDA_prop)
else:
RDA_prop = RDA_prop[0].split(":")[-1]
map_name = URIRef(f"http://example.org/entity/{map_name}Map")
predicate = convert_string_to_IRI(predicate)
po_map = BNode()
object_map = BNode()
language_map = BNode()
reference_value = Literal('.')
lang_map_value = Literal('@xml:lang')
RML_graph.add((map_name, rr.predicateObjectMap, po_map))
RML_graph.add((po_map, rr.predicate, predicate))
RML_graph.add((po_map, rr.objectMap, object_map))
RML_graph.add((object_map, rml.reference, reference_value))
RML_graph.add((object_map, rr.termType, rr.Literal))
RML_graph.add((object_map, rml.languageMap, language_map))
RML_graph.add((language_map, rml.reference, lang_map_value))
return RML_graph
def generate_bnode_subject_map(RML_graph, map_name, class_name):
bnode_subject_map = BNode()
map_name = URIRef(f"http://example.org/entity/{map_name}Map")
class_property = URIRef('http://www.w3.org/ns/r2rml#class'
) # throws an error when you just enter rr.class
class_name = convert_string_to_IRI(class_name)
RML_graph.add((map_name, rr.subjectMap, bnode_subject_map))
RML_graph.add((bnode_subject_map, rr.termType, rr.BlankNode))
RML_graph.add((bnode_subject_map, class_property, class_name))
return RML_graph
def generate_bnode_po_map(RML_graph, map_name, bnode_map_name, predicate):
bnode_po_map = BNode()
object_map = BNode()
map_name = URIRef(f"http://example.org/entity/{map_name}Map")
bnode_map_name = URIRef(f"http://example.org/entity/{bnode_map_name}Map")
predicate = convert_string_to_IRI(predicate)
RML_graph.add((map_name, rr.predicateObjectMap, bnode_po_map))
RML_graph.add((bnode_po_map, rr.predicate, predicate))
RML_graph.add((bnode_po_map, rr.objectMap, object_map))
RML_graph.add((object_map, rr.parentTriplesMap, bnode_map_name))
return RML_graph
def generate_neutral_literal_split_po_map(RML_graph, map_name, predicate):
map_name = URIRef(f"http://example.org/entity/{map_name}Map")
predicate = convert_string_to_IRI(predicate)
po_map = BNode()
object_map = BNode()
RML_graph.add((map_name, rr.predicateObjectMap, po_map))
RML_graph.add((po_map, rr.predicate, predicate))
RML_graph.add((po_map, rr.objectMap, object_map))
RML_graph.add((object_map, rml.reference, Literal('.')))
RML_graph.add((object_map, rr.termType, rr.Literal))
return RML_graph
def generate_neutral_literal_po_map(RML_graph, map_name, predicate,
property_number):
map_name = URIRef(f"http://example.org/entity/{map_name}Map")
predicate = convert_string_to_IRI(predicate)
property_number = Literal(f'{property_number}[not(@rdf:resource)]')
po_map = BNode()
object_map = BNode()
RML_graph.add((map_name, rr.predicateObjectMap, po_map))
RML_graph.add((po_map, rr.predicate, predicate))
RML_graph.add((po_map, rr.objectMap, object_map))
RML_graph.add((object_map, rml.reference, property_number))
RML_graph.add((object_map, rr.termType, rr.Literal))
return RML_graph
def generate_IRI_split_po_map(RML_graph, map_name, predicate):
map_name = URIRef(f"http://example.org/entity/{map_name}Map")
if "*" not in predicate:
print(f"{predicate} -- are you sure this takes an IRI?")
quit()
else:
predicate = predicate.strip('*')
predicate = convert_string_to_IRI(predicate)
po_map = BNode()
object_map = BNode()
RML_graph.add((map_name, rr.predicateObjectMap, po_map))
RML_graph.add((po_map, rr.predicate, predicate))
RML_graph.add((po_map, rr.objectMap, object_map))
RML_graph.add((object_map, rml.reference, Literal('self::node()')))
RML_graph.add((object_map, rr.termType, rr.IRI))
return RML_graph
