These are the welcome slides that we presented at the Consuming Linked Data tutorial at WWW2010 in Raleigh, NC on April 26, 2010

1. Consuming
Linked
Data
Tutorial
World
Wide
Web
Conference
2010
Olaf
Har=g
Juan
F.
Sequeda
Patrick
Sinclair
Jamie
Taylor

2. Why?
• 2010
is
the
year
of
Consuming
Linked
Data
– Linked
Data
has
been
published
since
2007
• 1st
Publishing
Linked
Data
Tutorial
at
ISWC08
• 1st
Consuming
Linked
Data
tutorial
at
ISWC09
• A
lot
has
happened
in
the
last
6
months
• And
we
want
much
more
to
con=nue
happening

3. How
many
people
are
familiar
with
• Linked
Data
• RDF
• SPARQL
• Web
Architecture
(HTTP,
etc)

4. History
• Linked
Data
Design
Issues
by
TimBL
July
2006
• Linked
Open
Data
Project
WWW2007
• First
LOD
Cloud
May
2007
• 1st
Linked
Data
on
the
Web
Workshop
WWW2008
• 1st
Triplifica=on
Challenge
2008
• How
to
Publish
Linked
Data
Tutorial
ISWC2008
• BBC
publishes
Linked
Data
2008
• 2nd
Linked
Data
on
the
Web
Workshop
WWW2009
• NY
Times
announcement
ISWC09
• 1st
Linked
Data-­‐a-­‐thon
ISWC2009
• How
to
Consume
Linked
Data
Tutorial
ISWC2009
• Data.gov.uk
publishes
Linked
Data
2010
• …

5. May
2007

6. Oct
2007

7. Nov
2007
(1)

8. Nov
2007
(2)

9. Feb
2008

10. Mar
2008

11. Sept
2008

12. Mar
2009
(1)

13. Mar
2009
(2)

14. July
2009

15. April
2010
YOU
GET
THE
PICTURE
ITS
BIG
and
ge4ng
BIGGER
and
BIGGER

16. Now
what
can
we
do
with
this
data?

17. Welcome
to
the
2nd
Consuming
Linked
Data
Tutorial

18. The
Modigliani
Test
• Tell
me
all
the
loca=ons
of
all
the
original
pain=ngs
of
Modigliani
• Daniel
Koller
(@dakoller)
showed
that
you
can
find
this
with
a
SPARQL
query
on
DBpedia
Thanks
Richard
MacManus
-­‐
ReadWriteWeb

20. Results
of
the
Modigliani
Test
• Atanas
Kiryakov
from
Ontotext
• Used
LDSR
–
Linked
Data
Seman=c
Repository
– Dbpedia
– Freebase
– Geonames
– UMBEL
– Wordnet
Published
April
26,
2010:
hep://www.readwriteweb.com/archives/the_modigliani_test_for_linked_data.php

21. SPARQL
Query
PREFIX fb: http://rdf.freebase.com/ns/!
PREFIX dbpedia: http://dbpedia.org/resource/!
PREFIX dbp-prop: http://dbpedia.org/property/!
PREFIX dbp-ont: http://dbpedia.org/ontology/!
PREFIX umbel-sc: http://umbel.org/umbel/sc/!
PREFIX rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#!
PREFIX ot: http://www.ontotext.com/!
SELECT DISTINCT ?painting_l ?owner_l ?city_fb_con ?city_db_loc ?
city_db_cit!
WHERE !
{ ?p fb:visual_art.artwork.artist dbpedia:Amedeo_Modigliani ;
fb:visual_art.artwork.owners
[ fb:visual_art.artwork_owner_relationship.owner ?ow ] ;
ot:preferredLabel ?painting_l. ?ow ot:preferredLabel ?owner_l .
OPTIONAL { ?ow fb:location.location.containedby
[ ot:preferredLabel ?city_fb_con ] } . !
OPTIONAL { ?ow dbp-prop:location ?loc. ?loc rdf:type umbel-sc:City ;
ot:preferredLabel ?city_db_loc } !
OPTIONAL { ?ow dbp-ont:city [ ot:preferredLabel ?city_db_cit ] }}!

23. Who
Are
We?
• Olaf
Har=g
–
Humboldt-­‐Universitaet
zu
Berlin
• Juan
Sequeda
–
University
of
Texas
at
Aus=n
• Patrick
Sinclair
–
BBC
• Jamie
Taylor
–
Metaweb
Technologies

24. By
lunch
=me
you
will
• Learn
what
Linked
Data
is
• Realize
that
there
is
a
lot
of
data
out
on
the
web
• Get
excited
about
Linked
Data
• Wonder
how
you
can
access
Linked
Data
• Learn
about
the
different
ways
of
consuming
linked
data
• Realize
that
there
is
s=ll
work
to
be
done
• Want
to
create
a
Linked
Data
applica=on

25. Outline
• 9:00
–
9:05
Welcome
(5
min)
• 9:05
–
9:25
Introduc=on
to
Linked
Data
(25
min)
• 9:25
–
9:40
Consuming
Linked
Data
by
Humans
(15
min)
• 9:40
–
10:00
Consuming
Linked
Data
by
Machines
(20
min)
• 10:00
–
10:30
Consuming
Linked
Data
with
SPARQL
(30
min)
• 10:30
–
11:00
Coffee
Break
• 11:00
–
11:30
Gemng
Started
to
Consume
Linked
Data
(30
min)
• 11:30
–
11:50
Linked
Data
Applica=ons
(20
min)
• 11:50
–
12:10
Open
Research
Problems
(20
min)
• 12:10
–
12:30
Ques=ons
and
Discussion