Welcome to Consuming Linked Data tutorial WWW2010
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The document outlines a tutorial on consuming linked data presented at the World Wide Web Conference 2010, highlighting the history and development of linked data since its inception in 2007. It includes discussions on various topics such as SPARQL queries and linked data applications, emphasizing the importance of understanding and utilizing this data. The tutorial aims to educate attendees on how to access and work with linked data, fostering excitement and further exploration in the field.
![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 ] }}!](https://image.slidesharecdn.com/00-welcome-100427090152-phpapp02/85/Welcome-to-Consuming-Linked-Data-tutorial-WWW2010-21-320.jpg)
Welcome to Consuming Linked Data tutorial WWW2010
- 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