本文整理汇总了Python中rdflib.Graph.predicates方法的典型用法代码示例。如果您正苦于以下问题:Python Graph.predicates方法的具体用法?Python Graph.predicates怎么用?Python Graph.predicates使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类rdflib.Graph
的用法示例。
在下文中一共展示了Graph.predicates方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Namespace
# 需要导入模块: from rdflib import Graph [as 别名]
# 或者: from rdflib.Graph import predicates [as 别名]
rdfs = Namespace('http://www.w3.org/2000/01/rdf-schema#')
dc = Namespace('http://purl.org/dc/elements/1.1/')
dct = Namespace('http://purl.org/dc/terms/')
rel = Namespace('http://www.perceive.net/schemas/20021119/relationship#')
pome = Namespace('http://prosopOnto.medieval.england/2006/04/pome#')
crm = Namespace('http://cidoc.ics.forth.gr/rdfs/cidoc_v4.2.rdfs#')
me = Namespace('file:///Users/jjc/Documents/Dissertation/Notes/1233HostageDeal/modelTesting/1233Hostages.rdf#')
exchanges = list(g.subjects(rdf['type'],crm['Event']))
people = list(g.subjects(rdf['type'], pome['Person']))
d = pydot.Dot(graph_name="testgraph", graph_type="digraph", strict=True, suppress_disconnected=False, rankdir="TB")
d.set_node_defaults(shape="box")
for ex in exchanges:
if pome['hostage'] in g.predicates(ex):
hostage = g.objects(ex,pome['hostage']).next().encode('utf-8').split('#')[-1]
d.add_node(
pydot.Node(hostage, style="filled", fillcolor="#cccc99")
)
d.add_edge(
pydot.Edge(
g.objects(ex,pome['hostageGiver']).next().encode('utf-8').split('#')[-1],
hostage
)
)
示例2: Exception
# 需要导入模块: from rdflib import Graph [as 别名]
# 或者: from rdflib.Graph import predicates [as 别名]
numOfTables = 0
for subj, pred, obj in g:
#print("\n New object\n")
#print((subj,pred,obj))
if (subj, pred, obj) not in g:
raise Exception("Iterator / Container Protocols are Broken!!")
print("\n\nChairs:\n\n")
for chairs in g.subjects(RDF.type,chair):
print("Found a Chair\n"+ chairs +"\n\n")
numOfChairs += 1
print("Looking for predicates...\n\n")
for pred in g.predicates(chairs,None):
print(" Found a predicate: " + pred)
print("\n\n")
for tables in g.subjects(RDF.type,table):
print("Found a table",tables)
numOfTables += 1
print("Total Number of Chairs:",numOfChairs)
print("Total Number of Tables:",numOfTables)
#print("--- printing mboxes ---")
for person in g.subjects(RDF.type, FOAF.Person):
for mbox in g.objects(person, FOAF.mbox):
#print(mbox)
示例3: __init__
# 需要导入模块: from rdflib import Graph [as 别名]
# 或者: from rdflib.Graph import predicates [as 别名]
class Model:
def __init__(self):
self.graph = Graph()
self.loaded = set()
def load(self, source, format=None):
if source not in self.loaded:
self.loaded.add(source)
try:
self.graph.parse(source, format=format)
except Exception as e:
print e
return False
return True
def size(self):
return len(self.graph)
def pred(self, subj):
return list(set(self.graph.predicates(subj)))
def types(self):
return set(self.graph.objects(predicate=RDF.type))
def contains_resource(self, ref):
resources = filter(lambda x: type(x) == URIRef, self.graph.all_nodes())
return ref in resources
def get_resource_objects(self, subj, pred):
return filter(lambda x: type(x) == URIRef, self.graph.objects(subj, pred))
def get_objects(self, subj, pred):
return list(self.graph.objects(subj, pred))
def get_subjects(self, pred, obj):
return list(self.graph.subjects(pred, obj))
def get_properties(self, subj):
properties = {}
for pred, obj in self.graph.predicate_objects(subj):
if pred in properties:
properties[pred].append(obj)
else:
properties[pred] = [obj]
return properties
def get_reverse_properties(self, obj):
properties = {}
for subj, pred in self.graph.subject_predicates(obj):
if pred in properties:
properties[pred].append(subj)
else:
properties[pred] = [subj]
return properties
def norm(self, ref):
return self.graph.namespace_manager.normalizeUri(ref) if ref else None
def to_uriref(self, string):
"""Expand QName to UriRef based on existing namespaces."""
if not string:
return None
elif re.match('[^:/]*:[^:/]+', string):
prefix, name = string.split(':')
try:
namespace = dict(self.graph.namespaces())[prefix]
return namespace + name
except:
return None
else:
return URIRef(string)