welcome to consuming linked data tutorial
DESCRIPTION
These are the welcome slides that we presented at the Consuming Linked Data tutorial at WWW2010 in Raleigh, NC on April 26, 2010TRANSCRIPT
Consuming Linked Data Tutorial
World Wide Web Conference 2010 Olaf Har=g
Juan F. Sequeda Patrick Sinclair Jamie Taylor
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
How many people are familiar with
• Linked Data • RDF • SPARQL • Web Architecture (HTTP, etc)
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 • …
May 2007
Oct 2007
Nov 2007 (1)
Nov 2007 (2)
Feb 2008
Mar 2008
Sept 2008
Mar 2009 (1)
Mar 2009 (2)
July 2009
April 2010
YOU GET THE PICTURE
ITS BIG and ge4ng
BIGGER and BIGGER
Now what can we do with this data?
Welcome to the 2nd Consuming Linked Data Tutorial
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
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
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 ] }}!
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
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
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