quit-blank-sketchbook

ComparableGraph
-> Menge von AtomicGraph

ConjunctiveGraph
-> Menge von ComparableGraph
    -> Menge von AtomicGraph
    => Blank Node Scope beschränkt auf einen Graph

ConjunctiveGraph
-> Menge von AtomicDatasets
=> Blank Node Scope auf gesamtes Dataset erweitert

V1
graphA:
_:a a foaf:Person

graphB
_:a foaf:name "Sebastian"

V2
graphA:
_:a a foaf:Person

graphB
_:a foaf:name "Natanael"


AtomicGraph added: {_:a a foaf:Person <graphA> . _:a foaf:name "Natanael" <graphB>}
AtomicGraph removed: {_:a a foaf:Person <graphA> . _:a foaf:name "Sebastian" <graphB>}

x = rdflib.BNode("_:a")
y = rdflib.BNode("_:a")
id(x) != id(y)

a = URIRef('http://example.org/')
b = URIRef('http://example.org/')
a == b : true
hash(a): -7511872548327883385
hash(b): -7511872548327883385
id(a): 140464059973424
id(b): 140464060629680

from rdflib import Graph
graph = Graph()
graph.update("insert data {_:a a <http://example.org/>}")
graph.update("insert data {_:a a <http://example.org/a>}")
results = graph.query("select * {?b a ?t}")
for result in results:
    print(result.b)
    hash(result.b)
    id(result.b)
a
8493424577539222167
140150469024064
a
8493424577539222167
140150469024064

-------------------------------

PREFIX foaf: <http://xmlns.com/foaf/0.1/>
INSERT DATA {
 GRAPH <http://example.org/persons> {
    _:a a foaf:Person
 }
 GRAPH <http://example.org/names> {
    _:a foaf:name "Sebastian"
 }
}

PREFIX foaf: <http://xmlns.com/foaf/0.1/>
INSERT DATA {
 GRAPH <http://example.org/persons> {
    _:a a foaf:Person
 }
 GRAPH <http://example.org/names> {
    _:a foaf:name "Natanael"
 }
}

construct {?s ?p ?o} {
  graph ?g {?s ?p ?o}
}

>>> @prefix ns1: <http://xmlns.com/foaf/0.1/> .

[] a ns1:Person ;
    ns1:name "Natanael",                # Wrong should be separated!!
        "Sebastian" .

# restart quit

PREFIX foaf: <http://xmlns.com/foaf/0.1/>
INSERT DATA {
 GRAPH <http://example.org/persons> {
    _:a a foaf:Person
 }
 GRAPH <http://example.org/names> {
    _:a foaf:name "Norman"
 }
}

construct {?s ?p ?o} {
  graph ?g {?s ?p ?o}
}

@prefix ns1: <http://xmlns.com/foaf/0.1/> .

[] a ns1:Person ;
    ns1:name "Natanael",
        "Sebastian" .

[] a ns1:Person ;
    ns1:name "Norman" .                             # before reserialization

# restart quit again

construct {?s ?p ?o} {
  graph ?g {?s ?p ?o}
}

@prefix ns1: <http://xmlns.com/foaf/0.1/> .

[] a ns1:Person ;
    ns1:name "Natanael",
        "Norman",                                   # after reserialization
        "Sebastian" .

----------------------------

Use UUIDs or relate to colouring -> farbID

V1  A           A
V2  .   B       A  B
V3  A'  .       A' B
V4  A"  B'      A" B'
V5  A°  B"      A° B"