def model_data(self, input_df: pd.DataFrame, metadata: dict):
if metadata is None:
metadata = {}
title = metadata.get("title") or ""
keywords = metadata.get("keywords") or ""
file_type = metadata.get("file_type") or ""
# TODO: if no url given?
url = metadata.get("url") or "https://"
if type(keywords) is list:
keywords = " ".join(keywords)
node_id = 'D' + str(self.resource_id)
q = WDItem(node_id)
self.resource_id += 1
q.add_label(node_id, lang='en')
q.add_statement(
'P31', Item('Q1172284')) # indicate it is subclass of a dataset
q.add_statement('P2699', URLValue(url)) # url
q.add_statement('P2701', StringValue(file_type)) # file type
q.add_statement('P1476', MonolingualText(title, lang='en')) # title
q.add_statement('C2001', StringValue(node_id)) # datamart identifier
q.add_statement('C2004', StringValue(keywords)) # keywords
# each columns
for i in self.columns_are_string:
try:
semantic_type = metadata['variables'][i]['semantic_type']
except IndexError:
semantic_type = 'http://schema.org/Text'
res = self.process_one_column(column_data=input_df.iloc[:, i],
item=q,
column_number=i,
semantic_type=semantic_type)
if not res:
print("Error when adding column " + str(i))
self.doc.kg.add_subject(q)
def process_one_column(self, column_data: pd.Series, item: WDItem,
column_number: int,
semantic_type: typing.List[str]) -> bool:
"""
:param column_data: a pandas series data
:param item: the target q node aimed to add on
:param column_number: the column number
:param semantic_type: a list indicate the semantic tpye of this column
:return: a bool indicate succeeded or not
"""
try:
all_data = set(column_data.tolist())
all_value_str_set = set()
for each in all_data:
# set to lower characters, remove punctuation and split by the space
words_processed = str(each).lower().translate(
self.punctuation_table).split()
for word in words_processed:
all_value_str_set.add(word)
all_value_str = " ".join(all_value_str_set)
statement = item.add_statement(
'C2005', StringValue(column_data.name)) # variable measured
statement.add_qualifier('C2006',
StringValue(all_value_str)) # values
if 'http://schema.org/Float' in semantic_type:
semantic_type_url = 'http://schema.org/Float'
data_type = "float"
elif 'http://schema.org/Integer' in semantic_type:
data_type = "int"
semantic_type_url = 'http://schema.org/Integer'
elif 'http://schema.org/Text' in semantic_type:
data_type = "string"
semantic_type_url = 'http://schema.org/Text'
statement.add_qualifier('C2007',
Item(data_type)) # data structure type
statement.add_qualifier(
'C2008',
URLValue(semantic_type_url)) # semantic type identifier
statement.add_qualifier(
'P1545', QuantityValue(column_number)) # column index
return True
except:
# import pdb
# pdb.set_trace()
return False
def model_data() -> None:
"""
This function generates triples for user defined properties for uploading them to wikidata
:return:
"""
stream = open(Path.cwd().parent /
"Datasets/new-property-configuration.yaml",
'r',
encoding='utf8')
yaml_data = yaml.safe_load(stream)
# initialize
kg_schema = KGSchema()
kg_schema.add_schema('@prefix : <http://isi.edu/> .', 'ttl')
etk = ETK(kg_schema=kg_schema, modules=ETKModule)
doc = etk.create_document({}, doc_id="http://isi.edu/default-ns/projects")
# bind prefixes
doc.kg.bind('wikibase', 'http://wikiba.se/ontology#')
doc.kg.bind('wd', 'http://www.wikidata.org/entity/')
doc.kg.bind('wdt', 'http://www.wikidata.org/prop/direct/')
doc.kg.bind('wdtn', 'http://www.wikidata.org/prop/direct-normalized/')
doc.kg.bind('wdno', 'http://www.wikidata.org/prop/novalue/')
doc.kg.bind('wds', 'http://www.wikidata.org/entity/statement/')
doc.kg.bind('wdv', 'http://www.wikidata.org/value/')
doc.kg.bind('wdref', 'http://www.wikidata.org/reference/')
doc.kg.bind('p', 'http://www.wikidata.org/prop/')
doc.kg.bind('pr', 'http://www.wikidata.org/prop/reference/')
doc.kg.bind('prv', 'http://www.wikidata.org/prop/reference/value/')
doc.kg.bind('prn',
'http://www.wikidata.org/prop/reference/value-normalized/')
doc.kg.bind('ps', 'http://www.wikidata.org/prop/statement/')
doc.kg.bind('psv', 'http://www.wikidata.org/prop/statement/value/')
doc.kg.bind('psn',
'http://www.wikidata.org/prop/statement/value-normalized/')
doc.kg.bind('pq', 'http://www.wikidata.org/prop/qualifier/')
doc.kg.bind('pqv', 'http://www.wikidata.org/prop/qualifier/value/')
doc.kg.bind('pqn',
'http://www.wikidata.org/prop/qualifier/value-normalized/')
doc.kg.bind('skos', 'http://www.w3.org/2004/02/skos/core#')
doc.kg.bind('prov', 'http://www.w3.org/ns/prov#')
doc.kg.bind('schema', 'http://schema.org/')
sparql_endpoint = "https://query.wikidata.org/sparql"
type_map = {'quantity': Datatype.QuantityValue, 'url': URLValue}
property_type_cache = {}
for k, v in yaml_data.items():
p = WDProperty(k,
type_map[v['type']],
creator='http://www.isi.edu/t2wml')
for lang, value in v['label'].items():
for val in value:
p.add_label(val, lang=lang)
for lang, value in v['description'].items():
for val in value:
p.add_description(val, lang=lang)
for pnode, items in v['statements'].items():
for item in items:
try:
property_type = property_type_cache[pnode]
except KeyError:
property_type = get_property_type(pnode, sparql_endpoint)
property_type_cache[pnode] = property_type
if property_type == "WikibaseItem":
value = Item(str(item['value']))
elif property_type == "WikibaseProperty":
value = Property(item['value'])
elif property_type == "String":
value = StringValue(item['value'])
elif property_type == "Quantity":
value = QuantityValue(item['value'])
elif property_type == "Time":
value = TimeValue(
str(item['value']), Item(item["calendar"]),
translate_precision_to_integer(item["precision"]),
item["time_zone"])
elif property_type == "Url":
value = URLValue(item['value'])
elif property_type == "Monolingualtext":
value = MonolingualText(item['value'], item["lang"])
elif property_type == "ExternalId":
value = ExternalIdentifier(item['value'])
elif property_type == "GlobeCoordinate":
value = GlobeCoordinate(item["latitude"],
item["longitude"],
item["precision"])
p.add_statement(pnode, value)
doc.kg.add_subject(p)
with open(Path.cwd().parent / "new_properties/result.ttl", "w") as f:
data = doc.kg.serialize('ttl')
f.write(data)
def model_schema(self):
# read data
data = self.read_data(self.data['schema'])
# initialize KGSchema
custom_dict, ns_dict = {}, {'wd': 'http://www.wikidata.org/entity/'}
for each in data['prefix']:
for k, v in each.items():
custom_dict[k] = v
if k != 'wd':
ns_dict[k] = v + '/entity'
kg_schema = KGSchema()
kg_schema.add_schema('@prefix : <http://isi.edu/> .', 'ttl')
etk = ETK(kg_schema=kg_schema, modules=ETKModule)
doc = etk.create_document({},
doc_id='http://isi.edu/default-ns/projects')
# bind prefix
doc = create_custom_prefix(doc, custom_dict)
type_map = {
'quantity': Datatype.QuantityValue,
'url': URLValue,
'item': Datatype.Item,
'time': Datatype.TimeValue,
'string': Datatype.StringValue,
'text': Datatype.MonolingualText
}
# model schema
for k, v in data.items():
if ':' in k:
k = k.split(':')
if 'Q' in k[1]:
p = WDItem(k[1], namespace=k[0], creator=':datamart')
elif 'P' in k[1]:
p = WDProperty(k[1],
type_map[v['type']],
namespace=k[0],
creator=':datamart')
else:
raise Exception('There is no P/Q information.')
return None
for lang, value in v['description'].items():
for val in value:
p.add_description(val, lang=lang)
for lang, value in v['label'].items():
for val in value:
p.add_label(val, lang=lang)
for node, value in v['statements'].items():
ns = node.split(':')[0] if ':' in node else 'wd'
for val in value:
prop_type = self.get_property_type(node, ns_dict[ns])
if prop_type == 'WikibaseItem':
v = Item(str(val['value']))
elif prop_type == 'WikibaseProperty':
v = Property(val['value'])
elif prop_type == 'String':
v = StringValue(val['value'])
elif prop_type == 'Quantity':
v = QuantityValue(val['value'])
elif prop_type == 'Url':
v = URLValue(val['value'])
elif prop_type == 'Monolingualtext':
v = MonolingualText(val['value'], val['lang'])
p.add_statement(node, v)
doc.kg.add_subject(p)
return doc
def model_statement(self):
# initialize KGSchema
kg_schema = KGSchema()
kg_schema.add_schema('@prefix : <http://isi.edu/> .', 'ttl')
etk = ETK(kg_schema=kg_schema, modules=ETKModule)
doc = etk.create_document({},
doc_id='http://isi.edu/default-ns/projects')
# bind prefix
doc = create_custom_prefix(doc, custom_dict={self.ns: self.uri})
# extract files
self.extract_files()
# model statement
inputs = self.data['inputs']
for k, v in inputs.items():
if k != 'metadata':
# construct wikifier instance
if k == 'wikifier' and not v['existed']:
q = WDItem(v['qnode'],
namespace=self.ns,
creator=':datamart')
q.add_label('A wikifier file for ' +
inputs['dataset']['content']['filename'],
lang='en')
q.add_statement('P31', Item(
'SDQ1001',
namespace=self.ns)) # an instance of Wikifier
q.add_statement('P127',
Item('SDQ1003',
namespace=self.ns)) # belongs to
q.add_statement('SDP3003',
StringValue(v['content']),
namespace=self.ns) # hasFileContent
q.add_statement('SDP3004',
StringValue(v['hashcode']),
namespace=self.ns) # hashValue
# construct mapping_file instance
elif k == 'mappingFile' and not v['existed']:
q = WDItem(v['qnode'],
namespace=self.ns,
creator=':datamart')
q.add_label('A mapping file for ' +
inputs['dataset']['content']['filename'],
lang='en')
q.add_statement('P31', Item(
'SDQ1002',
namespace=self.ns)) # an instance of MappingFile
q.add_statement('P170', StringValue('T2WML'))
q.add_statement('P127', Item('SDQ1003', namespace=self.ns))
q.add_statement('SDP3003',
StringValue(json.dumps(v['content'])),
namespace=self.ns)
q.add_statement('SDP3004',
StringValue(v['hashcode']),
namespace=self.ns)
# construct dataset instance
elif k == 'dataset' and not v['existed']:
q = WDItem(v['qnode'],
namespace=self.ns,
creator=':datamart')
q.add_label(v['content']['title'], lang='en')
q.add_description(v['content']['description'], lang='en')
q.add_statement('P31',
Item('Q1172284')) # an instance of Dataset
q.add_statement('SDP3001',
Item(inputs['wikifier']['qnode'],
namespace=self.ns),
namespace=self.ns) # a wikifier file
q.add_statement('SDP3002',
Item(inputs['mappingFile']['qnode'],
namespace=self.ns),
namespace=self.ns) # a mapping file
q.add_statement('P1476', StringValue(
v['content']['title'])) # title
q.add_statement(
'P921',
StringValue(v['content']['description'])) # described
q.add_statement('P127',
Item('SDQ1003',
namespace=self.ns)) # belongs to
q.add_statement('SDP2004',
StringValue(', '.join(
v['content']['keywords'])),
namespace=self.ns) # keywords
q.add_statement('SDP3004',
StringValue(v['hashcode']),
namespace=self.ns)
if self.data['storeColumnValue']:
for data in v['content']['variable_measured']:
statement = q.add_statement(
'SDP2005',
StringValue(data['column_name']),
namespace=self.ns) # variable measured
statement.add_qualifier(
'SDP2006',
StringValue(data['values_of_a_column']),
namespace=self.ns) # the values of a column
statement.add_qualifier(
'SDP2007',
Item(data['data_structure_type']),
namespace=self.ns) # data structure type
statement.add_qualifier(
'SDP2008',
URLValue(data['semantic_type_identifier']),
namespace=self.ns) # semantic type
statement.add_qualifier(
'P1545',
QuantityValue(
data['column_index'],
namespace=self.ns)) # column index
doc.kg.add_subject(q)
return doc
def generate_triples(user_id: str,
resolved_excel: list,
sparql_endpoint: str,
filetype: str = 'ttl',
created_by: str = 't2wml') -> str:
"""
This function uses ETK to generate the RDF triples
:param user_id:
:param resolved_excel:
:param sparql_endpoint:
:param filetype:
:return:
"""
# initialize
kg_schema = KGSchema()
kg_schema.add_schema('@prefix : <http://isi.edu/> .', 'ttl')
etk = ETK(kg_schema=kg_schema, modules=ETKModule)
doc = etk.create_document({}, doc_id="http://isi.edu/default-ns/projects")
property_type_map = property_type_dict
# bind prefixes
doc.kg.bind('wikibase', 'http://wikiba.se/ontology#')
doc.kg.bind('wd', 'http://www.wikidata.org/entity/')
doc.kg.bind('wdt', 'http://www.wikidata.org/prop/direct/')
doc.kg.bind('wdtn', 'http://www.wikidata.org/prop/direct-normalized/')
doc.kg.bind('wdno', 'http://www.wikidata.org/prop/novalue/')
doc.kg.bind('wds', 'http://www.wikidata.org/entity/statement/')
doc.kg.bind('wdv', 'http://www.wikidata.org/value/')
doc.kg.bind('wdref', 'http://www.wikidata.org/reference/')
doc.kg.bind('p', 'http://www.wikidata.org/prop/')
doc.kg.bind('pr', 'http://www.wikidata.org/prop/reference/')
doc.kg.bind('prv', 'http://www.wikidata.org/prop/reference/value/')
doc.kg.bind('prn',
'http://www.wikidata.org/prop/reference/value-normalized/')
doc.kg.bind('ps', 'http://www.wikidata.org/prop/statement/')
doc.kg.bind('psv', 'http://www.wikidata.org/prop/statement/value/')
doc.kg.bind('psn',
'http://www.wikidata.org/prop/statement/value-normalized/')
doc.kg.bind('pq', 'http://www.wikidata.org/prop/qualifier/')
doc.kg.bind('pqv', 'http://www.wikidata.org/prop/qualifier/value/')
doc.kg.bind('pqn',
'http://www.wikidata.org/prop/qualifier/value-normalized/')
doc.kg.bind('skos', 'http://www.w3.org/2004/02/skos/core#')
doc.kg.bind('prov', 'http://www.w3.org/ns/prov#')
doc.kg.bind('schema', 'http://schema.org/')
# property_type_cache = {}
is_error = False
for i in resolved_excel:
_item = i["statement"]["item"]
if _item is not None:
item = WDItem(_item,
creator='http://www.isi.edu/{}'.format(created_by))
try:
property_type = property_type_map[i["statement"]["property"]]
except KeyError:
property_type = get_property_type(i["statement"]["property"],
sparql_endpoint)
if property_type != "Property Not Found" and i["statement"][
"property"] not in property_type_map:
property_type_map[i["statement"]
["property"]] = property_type
if property_type == "WikibaseItem":
value = Item(str(i["statement"]["value"]))
elif property_type == "WikibaseProperty":
value = Property(i["statement"]["value"])
elif property_type == "String":
value = StringValue(i["statement"]["value"])
elif property_type == "Quantity":
_value = i["statement"]["value"]
_value = str(_value).replace(',', '')
value = QuantityValue(_value)
elif property_type == "Time":
value = TimeValue(
str(i["statement"]["value"]),
Item(i["statement"]["calendar"]),
translate_precision_to_integer(
i["statement"]["precision"]),
i["statement"]["time_zone"])
elif property_type == "Url":
value = URLValue(i["statement"]["value"])
elif property_type == "Monolingualtext":
value = MonolingualText(i["statement"]["value"],
i["statement"]["lang"])
elif property_type == "ExternalId":
value = ExternalIdentifier(i["statement"]["value"])
elif property_type == "GlobeCoordinate":
value = GlobeCoordinate(i["statement"]["latitude"],
i["statement"]["longitude"],
i["statement"]["precision"])
elif property_type == "Property Not Found":
is_error = True
break
s = item.add_statement(i["statement"]["property"], value)
doc.kg.add_subject(item)
if "qualifier" in i["statement"]:
for j in i["statement"]["qualifier"]:
try:
property_type = property_type_map[j["property"]]
except KeyError:
property_type = get_property_type(
j["property"], sparql_endpoint)
if property_type != "Property Not Found" and i[
"statement"][
"property"] not in property_type_map:
property_type_map[i["statement"]
["property"]] = property_type
if property_type == "WikibaseItem":
value = Item(str(j["value"]))
elif property_type == "WikibaseProperty":
value = Property(j["value"])
elif property_type == "String":
value = StringValue(j["value"])
elif property_type == "Quantity":
value = QuantityValue(j["value"])
elif property_type == "Time":
value = TimeValue(str(j["value"]), Item(j["calendar"]),
j["precision"], j["time_zone"])
elif property_type == "Url":
value = URLValue(j["value"])
elif property_type == "Monolingualtext":
value = MonolingualText(j["value"], j["lang"])
elif property_type == "ExternalId":
value = ExternalIdentifier(j["value"])
elif property_type == "GlobeCoordinate":
value = GlobeCoordinate(j["latitude"], j["longitude"],
j["precision"])
elif property_type == "Property Not Found":
is_error = True
if value is None:
continue
else:
s.add_qualifier(j["property"], value)
doc.kg.add_subject(s)
if not is_error:
data = doc.kg.serialize(filetype)
else:
# data = "Property Not Found"
raise Exception('data exception while generating triples')
return data
def generate_normal_triple(self, node1: str, property: str, node2: str,
is_qualifier_edge: bool, e_id: str) -> bool:
if self.use_id:
e_id = TripleGenerator.replace_illegal_string(e_id)
entity = self._node_2_entity(node1)
edge_type = self.prop_types[property]
if edge_type == Item:
object = WDItem(TripleGenerator.replace_illegal_string(node2))
elif edge_type == WDProperty:
object = WDProperty(TripleGenerator.replace_illegal_string(node2),
self.prop_types[node2])
elif edge_type == TimeValue:
if self.yyyy_mm_dd_pattern.match(node2):
try:
dateTimeString = node2
object = TimeValue(
value=dateTimeString, # TODO
calendar=Item("Q1985727"),
precision=Precision.year,
time_zone=0,
)
except:
return False
elif self.yyyy_pattern.match(node2):
try:
dateTimeString = node2 + "-01-01"
object = TimeValue(
value=dateTimeString, # TODO
calendar=Item("Q1985727"),
precision=Precision.year,
time_zone=0,
)
except:
return False
else:
try:
# TODO, in future, the two cases above will be dropped in principle to comply with the iso format
# now it is iso format
assert (node2[0] == "^")
node2 = node2[1:] # remove ^
if node2.startswith("+"):
node2 = node2[1:]
dateTimeString, precision = node2.split("/")
dateTimeString = dateTimeString[:-1] # remove Z
object = TimeValue(
value=dateTimeString,
calendar=Item("Q1985727"),
precision=precision,
time_zone=0,
)
except:
return False
elif edge_type == GlobeCoordinate:
latitude, longitude = node2[1:].split("/")
latitude = float(latitude)
longitude = float(longitude)
object = GlobeCoordinate(latitude,
longitude,
0.0001,
globe=Item("Q2")) # earth
elif edge_type == QuantityValue:
# +70[+60,+80]Q743895
res = self.quantity_pattern.match(node2).groups()
amount, lower_bound, upper_bound, unit = res
amount = TripleGenerator.clean_number_string(amount)
num_type = self.xsd_number_type(amount)
lower_bound = TripleGenerator.clean_number_string(lower_bound)
upper_bound = TripleGenerator.clean_number_string(upper_bound)
if unit != None:
if upper_bound != None and lower_bound != None:
object = QuantityValue(amount,
unit=Item(unit),
upper_bound=upper_bound,
lower_bound=lower_bound,
type=num_type)
else:
object = QuantityValue(amount,
unit=Item(unit),
type=num_type)
else:
if upper_bound != None and lower_bound != None:
object = QuantityValue(amount,
upper_bound=upper_bound,
lower_bound=lower_bound,
type=num_type)
else:
object = QuantityValue(amount, type=num_type)
elif edge_type == MonolingualText:
text_string, lang = TripleGenerator.process_text_string(node2)
object = MonolingualText(text_string, lang)
elif edge_type == ExternalIdentifier:
object = ExternalIdentifier(node2)
elif edge_type == URLValue:
if TripleGenerator.is_valid_uri_with_scheme_and_host(node2):
object = URLValue(node2)
else:
return False
else:
# treat everything else as stringValue
object = StringValue(node2)
if type(object) == WDItem or type(object) == WDProperty:
self.doc.kg.add_subject(object)
if is_qualifier_edge:
# edge: e8 p9 ^2013-01-01T00:00:00Z/11
# create qualifier edge on previous STATEMENT and return the updated STATEMENT
self.to_append_statement.add_qualifier(property, object)
self.doc.kg.add_subject(self.to_append_statement)
else:
# edge: q1 p8 q2 e8
# create brand new property edge and replace STATEMENT
if self.truthy:
self.to_append_statement = entity.add_truthy_statement(
property, object, statement_id=e_id
) if self.use_id else entity.add_truthy_statement(
property, object)
else:
self.to_append_statement = entity.add_statement(
property, object, statement_id=e_id
) if self.use_id else entity.add_statement(property, object)
self.doc.kg.add_subject(entity)
return True
def __init__(self, s: str, creator='http://www.isi.edu/datamart'):
Entity.__init__(self, s, creator)
Item.__init__(self, s)
self.add_property(URI('rdf:type'), URI('wikibase:Item'))
def generate_triples(user_id: str, resolved_excel: list, sparql_endpoint: str, filetype: str = 'ttl') -> str:
"""
This function uses ETK to generate the RDF triples
:param user_id:
:param resolved_excel:
:param sparql_endpoint:
:param filetype:
:return:
"""
# initialize
kg_schema = KGSchema()
kg_schema.add_schema('@prefix : <http://isi.edu/> .', 'ttl')
etk = ETK(kg_schema=kg_schema, modules=ETKModule)
doc = etk.create_document({}, doc_id="http://isi.edu/default-ns/projects")
# bind prefixes
doc.kg.bind('wikibase', 'http://wikiba.se/ontology#')
doc.kg.bind('wd', 'http://www.wikidata.org/entity/')
doc.kg.bind('wdt', 'http://www.wikidata.org/prop/direct/')
doc.kg.bind('wdtn', 'http://www.wikidata.org/prop/direct-normalized/')
doc.kg.bind('wdno', 'http://www.wikidata.org/prop/novalue/')
doc.kg.bind('wds', 'http://www.wikidata.org/entity/statement/')
doc.kg.bind('wdv', 'http://www.wikidata.org/value/')
doc.kg.bind('wdref', 'http://www.wikidata.org/reference/')
doc.kg.bind('p', 'http://www.wikidata.org/prop/')
doc.kg.bind('pr', 'http://www.wikidata.org/prop/reference/')
doc.kg.bind('prv', 'http://www.wikidata.org/prop/reference/value/')
doc.kg.bind('prn', 'http://www.wikidata.org/prop/reference/value-normalized/')
doc.kg.bind('ps', 'http://www.wikidata.org/prop/statement/')
doc.kg.bind('psv', 'http://www.wikidata.org/prop/statement/value/')
doc.kg.bind('psn', 'http://www.wikidata.org/prop/statement/value-normalized/')
doc.kg.bind('pq', 'http://www.wikidata.org/prop/qualifier/')
doc.kg.bind('pqv', 'http://www.wikidata.org/prop/qualifier/value/')
doc.kg.bind('pqn', 'http://www.wikidata.org/prop/qualifier/value-normalized/')
doc.kg.bind('skos', 'http://www.w3.org/2004/02/skos/core#')
doc.kg.bind('prov', 'http://www.w3.org/ns/prov#')
doc.kg.bind('schema', 'http://schema.org/')
# property_type_cache = {}
is_error = False
for i in resolved_excel:
item = WDItem(i["statement"]["item"], creator='http://www.isi.edu/t2wml')
try:
property_type = property_type_map[i["statement"]["property"]]
except KeyError:
property_type = get_property_type(i["statement"]["property"], sparql_endpoint)
property_type_map[i["statement"]["property"]] = property_type
if property_type == "WikibaseItem":
value = Item(str(i["statement"]["value"]))
elif property_type == "WikibaseProperty":
value = Property(i["statement"]["value"])
elif property_type == "String":
value = StringValue(i["statement"]["value"])
elif property_type == "Quantity":
value = QuantityValue(i["statement"]["value"])
elif property_type == "Time":
value = TimeValue(str(i["statement"]["value"]), Item(i["statement"]["calendar"]), translate_precision_to_integer(i["statement"]["precision"]), i["statement"]["time_zone"])
elif property_type == "Url":
value = URLValue(i["statement"]["value"])
elif property_type == "Monolingualtext":
value = MonolingualText(i["statement"]["value"], i["statement"]["lang"])
elif property_type == "ExternalId":
value = ExternalIdentifier(i["statement"]["value"])
elif property_type == "GlobeCoordinate":
value = GlobeCoordinate(i["statement"]["latitude"], i["statement"]["longitude"], i["statement"]["precision"])
elif property_type == "Property Not Found":
is_error = True
break
s = item.add_statement(i["statement"]["property"], value)
doc.kg.add_subject(item)
if "qualifier" in i["statement"]:
for j in i["statement"]["qualifier"]:
try:
property_type = property_type_map[j["property"]]
except KeyError:
property_type = get_property_type(j["property"], sparql_endpoint)
property_type_map[j["property"]] = property_type
if property_type == "WikibaseItem":
value = Item(str(j["value"]))
elif property_type == "WikibaseProperty":
value = Property(j["value"])
elif property_type == "String":
value = StringValue(j["value"])
elif property_type == "Quantity":
value = QuantityValue(j["value"])
elif property_type == "Time":
value = TimeValue(str(j["value"]), Item(j["calendar"]), j["precision"], j["time_zone"])
elif property_type == "Url":
value = URLValue(j["value"])
elif property_type == "Monolingualtext":
value = MonolingualText(j["value"], j["lang"])
elif property_type == "ExternalId":
value = ExternalIdentifier(j["value"])
elif property_type == "GlobeCoordinate":
value = GlobeCoordinate(j["latitude"], j["longitude"], j["precision"])
elif property_type == "Property Not Found":
is_error = True
s.add_qualifier(j["property"], value)
doc.kg.add_subject(s)
if not is_error:
data = doc.kg.serialize(filetype)
else:
data = "Property Not Found"
# os.makedirs(Path.cwd() / "new_properties", exist_ok=True)
# results_file_name = user_id + "_results.ttl"
# changes_file_name = user_id + "_changes.tsv"
# with open(Path(app.config['downloads']) / results_file_name, "w") as fp:
# fp.write(data)
# with open(Path(app.config['downloads']) / changes_file_name, "w") as fp:
# serialize_change_record(fp)
return data
def __init__(self, query_server=None, update_server=None):
self.punctuation_table = str.maketrans(
dict.fromkeys(string.punctuation))
if query_server and update_server:
self.query_server = query_server
self.update_server = update_server
else:
self.query_server = DATAMRT_SERVER
self.update_server = DATAMRT_SERVER
# initialize
kg_schema = KGSchema()
kg_schema.add_schema('@prefix : <http://isi.edu/> .', 'ttl')
etk = ETK(kg_schema=kg_schema, modules=ETKModule)
self.doc = etk.create_document(
{}, doc_id="http://isi.edu/default-ns/projects")
# bind prefixes
self.doc.kg.bind('wikibase', 'http://wikiba.se/ontology#')
self.doc.kg.bind('wd', 'http://www.wikidata.org/entity/')
self.doc.kg.bind('wdt', 'http://www.wikidata.org/prop/direct/')
self.doc.kg.bind('wdtn',
'http://www.wikidata.org/prop/direct-normalized/')
self.doc.kg.bind('wdno', 'http://www.wikidata.org/prop/novalue/')
self.doc.kg.bind('wds', 'http://www.wikidata.org/entity/statement/')
self.doc.kg.bind('wdv', 'http://www.wikidata.org/value/')
self.doc.kg.bind('wdref', 'http://www.wikidata.org/reference/')
self.doc.kg.bind('p', 'http://www.wikidata.org/prop/')
self.doc.kg.bind('pr', 'http://www.wikidata.org/prop/reference/')
self.doc.kg.bind('prv',
'http://www.wikidata.org/prop/reference/value/')
self.doc.kg.bind(
'prn', 'http://www.wikidata.org/prop/reference/value-normalized/')
self.doc.kg.bind('ps', 'http://www.wikidata.org/prop/statement/')
self.doc.kg.bind('psv',
'http://www.wikidata.org/prop/statement/value/')
self.doc.kg.bind(
'psn', 'http://www.wikidata.org/prop/statement/value-normalized/')
self.doc.kg.bind('pq', 'http://www.wikidata.org/prop/qualifier/')
self.doc.kg.bind('pqv',
'http://www.wikidata.org/prop/qualifier/value/')
self.doc.kg.bind(
'pqn', 'http://www.wikidata.org/prop/qualifier/value-normalized/')
self.doc.kg.bind('skos', 'http://www.w3.org/2004/02/skos/core#')
self.doc.kg.bind('prov', 'http://www.w3.org/ns/prov#')
self.doc.kg.bind('schema', 'http://schema.org/')
# give definition of the nodes we definied
p = WDProperty('C2001', Datatype.MonolingualText)
p.add_label('keywords', lang='en')
p.add_description('identifier of a dataset in the Datamart system',
lang='en')
p.add_statement('P31', Item('Q19847637'))
p.add_statement('P1629', Item('Q1172284'))
self.doc.kg.add_subject(p)
p = WDProperty('C2004', Datatype.StringValue)
p.add_label('datamart identifier', lang='en')
p.add_description(
'keywords associated with an item to facilitate finding the item using text search',
lang='en')
p.add_statement('P31', Item('Q18616576'))
self.doc.kg.add_subject(p)
p = WDProperty('C2005', Datatype.StringValue)
p.add_label('variable measured', lang='en')
p.add_description('the variables measured in a dataset', lang='en')
p.add_statement('P31', Item('Q18616576'))
p.add_statement('P1628',
URLValue('http://schema.org/variableMeasured'))
self.doc.kg.add_subject(p)
p = WDProperty('C2006', Datatype.StringValue)
p.add_label('values', lang='en')
p.add_description(
'the values of a variable represented as a text document',
lang='en')
p.add_statement('P31', Item('Q18616576'))
self.doc.kg.add_subject(p)
p = WDProperty('C2007', Datatype.Item)
p.add_label('data type', lang='en')
p.add_description(
'the data type used to represent the values of a variable, integer (Q729138), Boolean (Q520777), '
'Real (Q4385701), String (Q184754), Categorical (Q2285707)',
lang='en')
p.add_statement('P31', Item('Q18616576'))
self.doc.kg.add_subject(p)
p = WDProperty('C2008', Datatype.URLValue)
p.add_label('semantic type', lang='en')
p.add_description(
'a URL that identifies the semantic type of a variable in a dataset',
lang='en')
p.add_statement('P31', Item('Q18616576'))
self.doc.kg.add_subject(p)
# get the starting source id
sparql_query = """
prefix wdt: <http://www.wikidata.org/prop/direct/>
prefix wd: <http://www.wikidata.org/entity/>
prefix wikibase: <http://wikiba.se/ontology#>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX pqv: <http://www.wikidata.org/prop/qualifier/value/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
prefix bd: <http://www.bigdata.com/rdf#>
prefix bds: <http://www.bigdata.com/rdf/search#>
select ?x where {
wd:Z00000 wdt:P1114 ?x .
}
"""
try:
sparql = SPARQLWrapper(self.query_server)
sparql.setQuery(sparql_query)
sparql.setReturnFormat(JSON)
sparql.setMethod(POST)
sparql.setRequestMethod(URLENCODED)
results = sparql.query().convert()['results']['bindings']
except:
print("Getting query of wiki data failed!")
raise ValueError("Unable to initialize the datamart query service")
if not results:
print(
"[WARNING] No starting source id found! Will initialize the starting source with D1000001"
)
self.resource_id = 1000001
else:
self.resource_id = 1000001
def genNormalTriple(self, node1: str, label: str, node2: str,
isPropEdge: bool) -> bool:
"""
The normal triple's type is determined by
1. label's datatype in prop_types.tsv
2. kgtk format convention of node2 field
Update the self.STATEMENT
"""
# determine the node type [property|item]
if node1 in self.propTypes:
entity = WDProperty(node1.upper(), self.propTypes[node1])
else:
entity = WDItem(node1.upper())
# determine the edge type
edgeType = self.propTypes[label]
if edgeType == Item:
OBJECT = Item(node2.upper())
elif edgeType == TimeValue:
# https://www.wikidata.org/wiki/Help:Dates
# ^201301-01T00:00:00Z/11
dateTimeString, precision = node2[1:].split("/")
dateString, timeString = dateTimeString.split("T")
OBJECT = TimeValue(
value=dateString,
calendar=Item("Q1985727"),
precision=precision,
time_zone=0,
)
elif edgeType == GlobeCoordinate:
latitude, longitude = node2[1:].split("/")
OBJECT = GlobeCoordinate(latitude,
longitude,
0.0001,
globe=StringValue("Earth"))
elif edgeType == QuantityValue:
amount, unit = (re.compile("([\+|\-]?[0-9]+\.?[0-9]*)U([0-9]+)"
).match(node2).groups())
OBJECT = QuantityValue(amount=float(amount), unit=Item(unit))
elif edgeType == MonolingualText:
try:
textString, lang = node2.split("@")
OBJECT = MonolingualText(textString, lang)
except:
OBJECT = MonolingualText(textString, "en")
else:
# treat everything else as stringValue
OBJECT = StringValue(node2)
if isPropEdge:
# edge: q1 p8 q2 e8
# create brand new property edge and replace STATEMENT
self.STATEMENT = entity.add_statement(label.upper(), OBJECT)
else:
# edge: e8 p9 ^2013-01-01T00:00:00Z/11
# create qualifier edge on previous STATEMENT and return the updated STATEMENT
self.STATEMENT.add_qualifier(label.upper(), OBJECT)
self.doc.kg.add_subject(self.STATEMENT)
return True