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Why Linked Data?
                                       Paul Miller
                                The Cloud of Data
                           paul.miller@cloudofdata.com




cloudofdata.com
Web built on connections bet ween documents...




cloudofdata.com                              www.flickr.com/photos/calliope/306564541/
...but ultimately about connections bet ween people




cloudofdata.com
Data less connected - more siloised.




cloudofdata.com                 www.flickr.com/photos/wyoming_1/169388525/
...and people are!

                     “Stop hugging
                       your data...”
                     Sir Tim Berners-Lee, 2009




                                           bit.ly/409WWE

 cloudofdata.com             www.flickr.com/photos/_-amy-_/3167333250/
eg Wikipedia data
                  boxes to DBpedia




cloudofdata.com
eg UK Gov




 Image © 2009, Crown Copyright Reserved
                                                                bit.ly/ztOed

cloudofdata.com                           www.flickr.com/photos/lorentey/1438477358/
eg BBC




cloudofdata.com   bbc.co.uk/music/
eg NY Times




cloudofdata.com   www.flickr.com/photos/scobleizer/2510349462/
Data OPEN for use and re-use as Svein-Magnus described...
 But that’s not all...




 cloudofdata.com                                    www.flickr.com/photos/virtualsugar/316200555/
Data LINKED to other places outside firewall
eg BBC trusts and relies upon MusicBrainz




 cloudofdata.com                               www.flickr.com/photos/foxypar4/2124673642/
“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
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
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
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/
how much mis-licensed?
                  ‘Copyright’ MAY NOT APPLY!




cloudofdata.com          www.flickr.com/photos/ldodds/4043803502/
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/
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
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/
“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!
Closing Thoughts
cloudofdata.com           www.flickr.com/photos/dagpeak/13437011/
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/
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
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Why Linked Data?

  • 1. Why Linked Data? Paul Miller The Cloud of Data paul.miller@cloudofdata.com cloudofdata.com
  • 2. Web built on connections bet ween documents... cloudofdata.com www.flickr.com/photos/calliope/306564541/
  • 3. ...but ultimately about connections bet ween people cloudofdata.com
  • 4. Data less connected - more siloised. cloudofdata.com www.flickr.com/photos/wyoming_1/169388525/
  • 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. eg Wikipedia data boxes to DBpedia cloudofdata.com
  • 7. eg UK Gov Image © 2009, Crown Copyright Reserved bit.ly/ztOed cloudofdata.com www.flickr.com/photos/lorentey/1438477358/
  • 8. eg BBC cloudofdata.com bbc.co.uk/music/
  • 9. eg NY Times cloudofdata.com www.flickr.com/photos/scobleizer/2510349462/
  • 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. Data LINKED to other places outside firewall eg BBC trusts and relies upon MusicBrainz cloudofdata.com www.flickr.com/photos/foxypar4/2124673642/
  • 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. 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. 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. 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. how much mis-licensed? ‘Copyright’ MAY NOT APPLY! cloudofdata.com www.flickr.com/photos/ldodds/4043803502/
  • 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. 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. 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. “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. Closing Thoughts cloudofdata.com www.flickr.com/photos/dagpeak/13437011/
  • 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. 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