Why Linked Data?


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My presentation on Linked Data during the Open Web session at Defrag 2009. Licensing and Open Data were covered in the preceding presentation by Svein-Magnus Sørensen, upon which this builds.

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Why Linked Data?

  1. 1. Why Linked Data? Paul Miller The Cloud of Data paul.miller@cloudofdata.com cloudofdata.com
  2. 2. Web built on connections bet ween documents... cloudofdata.com www.flickr.com/photos/calliope/306564541/
  3. 3. ...but ultimately about connections bet ween people cloudofdata.com
  4. 4. Data less connected - more siloised. cloudofdata.com www.flickr.com/photos/wyoming_1/169388525/
  5. 5. ...and people are! “Stop hugging your data...” Sir Tim Berners-Lee, 2009 bit.ly/409WWE cloudofdata.com www.flickr.com/photos/_-amy-_/3167333250/
  6. 6. eg Wikipedia data boxes to DBpedia cloudofdata.com
  7. 7. eg UK Gov Image © 2009, Crown Copyright Reserved bit.ly/ztOed cloudofdata.com www.flickr.com/photos/lorentey/1438477358/
  8. 8. eg BBC cloudofdata.com bbc.co.uk/music/
  9. 9. eg NY Times cloudofdata.com www.flickr.com/photos/scobleizer/2510349462/
  10. 10. Data OPEN for use and re-use as Svein-Magnus described... But that’s not all... cloudofdata.com www.flickr.com/photos/virtualsugar/316200555/
  11. 11. Data LINKED to other places outside firewall eg BBC trusts and relies upon MusicBrainz cloudofdata.com www.flickr.com/photos/foxypar4/2124673642/
  12. 12. “the Web done right” Sir Tim Berners-Lee, 2008 harks back to TimBL’s original vision cloudofdata.com www.flickr.com/photos/tanaka/3212373419/ for a Read/Write Web
  13. 13. Use URIs to name things Use HTTP URIs so that they can be followed When someone follows a URI, provide useful information Include links to other URIs, so that more can be discovered. cloudofdata.com www.w3.org/DesignIssues/LinkedData.html
  14. 14. ECS South- Sem- Wiki- BBC Surge ampton LIBRIS Web- company Playcount Radio Central RDF Data ohloh Resex Doap- Buda- Music- space Semantic ReSIST brainz Audio- pest Eurécom Project Flickr Web.org MySpace Scrobbler QDOS SW BME Wiki exporter Wrapper Conference IRIT Corpus Toulouse RAE National BBC BBC Crunch 2001 Science FOAF SIOC ACM BBC Music Later + John Base Revyu Foundation Jamendo Peel profiles Sites TOTP Open- Guides DBLP flickr RKB Project Pub Geo- Euro- wrappr Explorer Guten- Virtuoso Guide names stat Pisa CORDIS berg Sponger eprints BBC Programmes Open Calais RKB riese World Linked ECS Magna- Fact- MDB IEEE New- South- tune book ampton castle RDF Book DBpedia Mashup Linked GeoData lingvoj Freebase LAAS- US CiteSeer Census CNRS W3C DBLP Data IBM WordNet Hannover UniRef GEO UMBEL Species DBLP Gov- Track Berlin Reactome LinkedCT UniParc Open Taxonomy Cyc Yago Drug PROSITE Daily Bank Med Pub GeneID Chem Homolo KEGG UniProt Gene Pfam ProDom Disea- CAS Gene some ChEBI Ontology Symbol OMIM Inter Pro UniSTS PDB HGNC MGI PubMed As of July 2009 cloudofdata.com richard.cyganiak.de/2007/10/lod/lod-datasets_2009-07-14.pdf
  15. 15. Open Data need not be Linked Data (eg US Data.gov) Linked Data need not be Open Data (licensing hell) cloudofdata.com www.flickr.com/photos/joevare/3743653601/
  16. 16. how much mis-licensed? ‘Copyright’ MAY NOT APPLY! cloudofdata.com www.flickr.com/photos/ldodds/4043803502/
  17. 17. cut costs, mass produce, standardise - create opportunities for growth What does this mean for Enterprise? Data as Commodity cloudofdata.com www.flickr.com/photos/starrett/3123216825/
  18. 18. Microsoft Data Centre, Dublin With data in the Cloud, barriers get lower. It’s easier to TRY... cloudofdata.com www.datacenterknowledge.com/wp-content/uploads/2009/09/aerial-1000.jpg
  19. 19. Boundaries blur, walls (like this one) fall. Data and processes move back and forth. Fears eventually diminish. cloudofdata.com www.flickr.com/photos/andrei_dimofte/1590561883/
  20. 20. “from Data Centre to data-centric” JP Rangaswami, 2009 data is a cost we treat all data as Core and confidential most actually Context and a commodity cloudofdata.com www.flickr.com/photos/dsifry/2104378305/ Think Different!
  21. 21. Closing Thoughts cloudofdata.com www.flickr.com/photos/dagpeak/13437011/
  22. 22. The Web is about connections Data today often best connected inside silos Simple principles of Linked Data create opportunities to manipulate data at Web scale Licensing frameworks emerging Understanding of the boundary is required… but worth the effort. cloudofdata.com www.flickr.com/photos/dagpeak/13437011/
  23. 23. cloud of data Thank you Download this presentation slideshare.net/cloudofdata Dr Paul Miller The Cloud of Data paul.miller@cloudofdata.com Made on a skype: cloudofdata Mac phone: +44 7769 740083 Except where otherwise noted, this work is licensed under the Creative Commons Attribution Licence. To view a copy of this licence, visit creativecommons.org/licenses/by/2.0/uk/ or send a letter to cloudofdata.com Creative Commons, 171 Second St, San Francisco, CA 94105, United States of America