A
____________________
is
a
data
structure
consisting
of
____________________
and
____________________
that
connect
them
representing
various
relationships
and
structures
.
pathsdegrees
For
directed
graphs
,
the
number
of
incoming
edges
and
outgoing
edges
is
called
____________________
.
Connections
from
one
node
to
another
graph
are
called
____________________
.
undirecteddirected
A
graph
representing
dependencies
,
causality
,
or
hierarchies
is
called
____________________
while
a
graph
where
edges
do
not
is
called
____________________
.
domainstructurerulesontologies
A
formal
representation
of
a
set
of
concepts
and
their
relationships
within
a
____________________
.
In
knowledge
graphs
,
____________________
define
the
____________________
and
____________________
for
relationships
.
predefinedpropertiesSchemas
A
____________________
structure
that
describes
the
types
of
nodes
,
edges
,
and
____________________
in
a
graph
.
____________________
define
the
framework
for
building
structured
graphs
.
standardsemantictriples
A
____________________
for
representing
data
in
graphs
,
commonly
used
in
____________________
knowledge
graphs
.
RDF
uses
____________________
(
subject
-
predicate
-
object
)
to
define
relationships
between
entities
.
relationshipsstructuresontologiesreasoningOWL
A
language
for
defining
____________________
and
____________________
in
semantic
knowledge
graphs
.
____________________
is
used
to
create
complex
____________________
and
support
____________________
.