1. ELIS
–
Mul*media
Lab
r&wbase
git for triples
Miel Vander Sande!
Pieter Colpaert, Ruben Verborgh, Sam Coppens, Erik Mannens, Rik Van de Walle

2. ELIS
–
Mul*media
Lab

3. ELIS
–
Mul*media
Lab
Read/Write
LINKED
DATA

4. ELIS
–
Mul*media
Lab

5. ELIS
–
Mul*media
Lab
TRIPLE STORES
are they up for the challenge?

6. ELIS
–
Mul*media
Lab
r&wbase
git for triples
Miel Vander Sande!
Pieter Colpaert, Ruben Verborgh, Sam Coppens, Erik Mannens, Rik Van de Walle

7. ELIS
–
Mul*media
Lab
Distributed Triple Version Control
Commits
DeltasVirtual graphs
Versions
store
describe
identify
resolve

8. ELIS
–
Mul*media
Lab
r&wbase
Triple Store
Interpretation
Layer
Endpoint

9. ELIS
–
Mul*media
Lab
Distributed Triple Version Control
Commits
DeltasVirtual graphs
Versions
store
describe
identify
resolve

10. ELIS
–
Mul*media
Lab
LIVEtriples
require fast version retrieval
LIGHTWEIGHT
algorithm
through a

11. ELIS
–
Mul*media
Lab
6
4
2
0
Base 0
Delta 2
Delta 4
Delta 6
Delta store

12. ELIS
–
Mul*media
Lab
6
4
2
0
0
2
4
6
1
3
5
7
Add-set Delete-set

13. ELIS
–
Mul*media
Lab
Store triples
QUADS
<subject> <predicate> <object> <context>
using

14. ELIS
–
Mul*media
Lab
Store triples
QUADS
<subject> <predicate> <object> <delta>
:Adam :knows :Bob <0>
using

15. ELIS
–
Mul*media
Lab
6
:Adam :knows :Bob <0>
:Carlos :knows :Danny <0>
:Adam :knows :Emma <2>
:Carlos :knows :Danny <4>
:Freddy :knows :Emma <6>
:Carlos :knows :Danny <3>
:Adam :knows :Emma <7>

16. ELIS
–
Mul*media
Lab
6
:Adam :knows :Bob <0>
:Carlos :knows :Danny <0>
:Adam :knows :Emma <2>
:Carlos :knows :Danny <4>
:Freddy :knows :Emma <6>
:Carlos :knows :Danny <3>
:Adam :knows :Emma <7>
Query over version 6

17. ELIS
–
Mul*media
Lab
query over all TRIPLES
of which the
HIGHESToccuring context value
Query over version 6
=

18. ELIS
–
Mul*media
Lab
6
:Adam :knows :Bob <0>
:Carlos :knows :Danny <0>
:Adam :knows :Emma <2>
:Carlos :knows :Danny <4>
:Freddy :knows :Emma <6>
:Carlos :knows :Danny <3>
:Adam :knows :Emma <7>
Query over version 6

19. ELIS
–
Mul*media
Lab
query over all TRIPLES
of which the
HIGHESToccuring context value
is
EVEN
=
Query over version 6

20. ELIS
–
Mul*media
Lab
6
:Adam :knows :Bob <0>
:Carlos :knows :Danny <0>
:Adam :knows :Emma <2>
:Carlos :knows :Danny <4>
:Freddy :knows :Emma <6>
:Carlos :knows :Danny <3>
:Adam :knows :Emma <7>
Query over version 6

21. ELIS
–
Mul*media
Lab
Distributed Triple Version Control
Commits
DeltasVirtual graphs
Versions
store
describe
identify
resolve

22. ELIS
–
Mul*media
Lab
Exposing a
SELECT *
FROM NAMED
<http://example.com/graph/versions/hashA>
WHERE {
?s ?p ?o
}
VERSION
through a
VIRTUAL GRAPHdirectly supported in
SPARQL

23. ELIS
–
Mul*media
Lab
Distributed Triple Version Control
Commits
DeltasVirtual graphs
Versions
store
describe
identify
resolve

24. ELIS
–
Mul*media
Lab
0 2 4 6
8 10
12
COMMIT
stores a
DELTAand associated
METADATA
a
identifier
message
parent commit
author
committer
timestamp

25. ELIS
–
Mul*media
Lab
0 2 4 6
8 10
12
COMMIT
stores a
DELTAand
associated
METADATA
a
identifier
message
parent commit
author
committer
timestamp
HASH

26. ELIS
–
Mul*media
Lab
identifier
message
parent commit
author
committer
timestamp
PROVENANCE
PROV-O
0 2 4 6
8 10
12
at operation level
described with
derived
from
derived
from
derived
from
derived
from
derived
from
derived
from
derived
from
COMMITa
is

27. ELIS
–
Mul*media
Lab
commit:hIjKlMn a prov:Activity;
prov:atTime "2013-02-16T01:52:02Z";
prov:used version:hashA;
prov:generated version:hashB;
dcterms:title "Update social graph.";
prov:wasAssociatedWith :Derek .
version:hashA a prov:Entity, ex:Dataset .
version:hashB a prov:Entity, ex:Dataset;
prov:wasDerivedFrom version:aBcDeFg .
:Derek a prov:Person .

28. ELIS
–
Mul*media
Lab
r&wbase
GRAPH access
TRIPLE
STORES
PROVENANCE
VERSION
with direct
provides
control
for
and

29. ELIS
–
Mul*media
Lab
QUESTIONS?

30. ELIS
–
Mul*media
Lab
Attributions
• Photo slide 4 http://sebreg.deviantart.com/
• Photo slide 10 http://healthtap.com
• Photo slide 5 http://www.hull.ac.uk/