Groupe Meetup Graphdb Paris du 12 septembre 2017

10. ppl://ann is a person
ppl//ann user ID is @ann
ppl://ann name is Ann Smith
ppl://dan likes ppl://ann
RDF statements (triples)

11. ppl://ann is a person
ppl//ann user ID is @ann
ppl://ann name is Ann Smith
ppl://dan likes ppl://ann
RDF statements (triples)
ppl://an
n
is_a
_:Person

12. ppl://ann is a person
ppl//ann user ID is @ann
ppl://ann name is Ann Smith
ppl://dan likes ppl://ann
RDF statements (triples)
ppl://an
n
@ann
is_a
user_ID
_:Person

13. ppl://ann is a person
ppl//ann user ID is @ann
ppl://ann name is Ann Smith
ppl://dan likes ppl://ann
RDF statements (triples)
ppl://an
n
@ann
Ann Smith
is_a
name
_:Person
user_ID

14. ppl://ann is a person
ppl//ann user ID is @ann
ppl://ann name is Ann Smith
ppl://dan likes ppl://ann
RDF statements (triples)
ppl://an
n
ppl://da
n
@ann
Ann Smith
is_a
name
_:Person
likes
user_ID

15. ppl://ann is a person
ppl//ann user ID is @ann
ppl://ann name is Ann Smith
ppl://dan likes ppl://ann
RDF statements (triples)
ppl://an
n
ppl://da
n
@ann
Ann Smith
is_a
name
_:Person
likes
Vertices
Edges
user_ID

16. There is a person that is described by her name: Ann, her user ID: @ann
and a globally unique identifier: <ppl://ann>
There is another person with a unique identifier: <ppl://dan>
Dan likes Ann
LPG connected objects (with properties)

17. There is a person that is described by her name: Ann, her user ID:
@ann and a globally unique identifier: <ppl://ann>
There is another person with a unique identifier: <ppl://dan>
Dan likes Ann
LPG connected objects (with properties)
{ name: Ann,
app_user_ID: @ann,
uri: ppl://ann }
:Person

18. There is a person that is described by her name: Ann, her user ID: @ann
and a globally unique identifier: <ppl://ann>
There is another person with a unique identifier: <ppl://dan>
Dan likes Ann
LPG connected objects (with properties)
{ uri: ppl://dan}
{ name: Ann,
app_user_ID: @ann,
uri: ppl://ann }
:Person:Person

19. There is a person that is described by her name: Ann, her user ID: @ann
and a globally unique identifier: <ppl://ann>
There is another person with a unique identifier: <ppl://dan>
Dan likes Ann
LPG connected objects (with properties)
LIKES { date: 02/03/17}
{ uri: ppl://dan}
{ name: Ann,
app_user_ID: @ann,
uri: ppl://ann }
:Person:Person

20. There is a person that is described by her name: Ann, her user ID: @ann
and a globally unique identifier: <ppl://ann>
There is another person with a unique identifier: <ppl://dan>
Dan likes Ann
LPG connected objects (with properties)
LIKES { date: 02/03/17}
{ uri: ppl://dan}
{ name: Ann,
app_user_ID: @ann,
uri: ppl://ann }
Vertices
Edges
:Person:Person

24. MATCH (who)-[:LIKES]->(a:Person)
WHERE a.name CONTAINS ‘Ann’
RETURN who
prefix ms: <http://myschma.me/>
prefix rdf: <http://www[...]#>
SELECT ?who
{
?a rdf:type ms:Person .
?a ms:name ?asName .
FILTER regex(?asName,’Ann’)
?who ms:likes ?a .
}

26. ❏
❏
❏
❏

27. ○
○

29. <RDF>
=