Putting the L in front: from Open Data to Linked Open Data
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Keynote presentation of Martin Kaltenböck (LOD2 project, Semantic Web Company) at the Government Linked Data Workshop in the course of the OGD Camp 2011 in Warsaw, Poland: Putting the L in front: from Open Data to Linked Open Data
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Putting the L in front: from Open Data to Linked Open Data
- 1. Putting the L in front From Open Data to Linked Open Data (LOD) Government Linked Data Workshop, OGD Camp 2011, Warsaw, Poland Martin Kaltenböck These slides are published under : http://creativecommons.org/licenses/by/3.0 @lod2project @semwebcompany
- 2. Open Government Data is a worldwide movement to open data (& information) of the government / public administration* - that is NOT personal (individual related) – in human- and maschine readable open formats (non proprietary) for use & re use! OPEN stands for lowering the barriers to ensure as broad as possible re-use (for everybody)! There is a new paradigm in publishing Open Government Data = look, take and play! * ….. data and information produced or commissioned by government or government controlled entities What is Open (Government) Data?
- 4. From Open Data to Linked Open Data
- 5. 5 Stars for Open Data by Tim Berners Lee
- 8. Data Integration on User Level and Application Level The Idea of Hyperdata
- 9. Integration on Data Level Application and/or API The Idea of Hyperdata
- 10. The Semantic Web is already there! http://bit.ly/d37p4i ~20 bio. triples
- 11. CC-BY-SA von campuspartybrasil (flickr) Linked Data realizes the vision of evolving the Web into a global data commons, allowing applications to operate on top of an unbounded set of data sources, via standardised access mechanisms. I expect that Linked Data will enable a significant evolutionary step in leading the Web to its full potential. The Vision of the new Internet
- 12. Linked Open Data benefits & LOD in use
- 16. Linked Open Data as a ‚national digital infrastructure‘
- 17. START A CATALOGUE RELEASE DATASETS GIVE THEM A URI LINK THEM MAP IT LONDON VIENNA UK BERLIN AUSTRIA SCHOOLS PISA-RESULTS PUBLIC BUILDINGS SUPERINTENDENT‘S REPORT TYPES OF SCHOOLS PRIV. RANKING TYPES OF SCHOOLS SCHOOLS SCHOOLS SCHOOL FEES EDU STATISTICS DEMOGRAPHIC BUDGET
- 18. Linked Open Data in the Intranet http://bit.ly/21LmMA
- 19. Cost of Data Integration – 2 Approaches Source: Price Waterhouse Coopers – Technology Forecast, Spring 2009 Can we afford to mash the data with ours?
- 20. LOD – Huge Economic Potentials http://www.mckinsey.com/mgi/publications/big_data/index.asp Data have swept into every industry and business function and are now an important factor of production, alongside labor and capital . Harnessing big data in the public sector has enormous potential, too. If US health care were to use big data creatively and effectively to drive efficiency and quality, the sector could create more than $300 billion in value every year . Two-thirds of that would be in the form of reducing US health care expenditure by about 8 percent. In the developed economies of Europe , government administrators could save more than €100 billion ($149 billion) in operational efficiency improvements alone by using big data, not including using big data to reduce fraud and errors and boost the collection of tax revenues. And users of services enabled by personal location data could capture $600 billion in consumer surplus.
- 21. Benefit for Developers: APIs Students 2010/2011 in cities & communities by school types Places sorted by city & community numbers and postal codes getNumberStudents(PostalCode) Postal Code: GO
- 22. Benefit for Developers: LOD Students 2010/2011 in cities & communities and by school types Places sorted by city & community numbers and by postal codes getNumberStudents(PostalCode) Geo names accident frequency 2010/2011 by cities & communities OSM
- 23. © Semantic Web Company – http://www.semantic-web.at/ Where is the Semantic Web used? Under the hood of lots of products!
- 24. Creating Knowledge out of Interlinked Data
- 26. Objective Applying Linked Data technologies in an enterprise stack to support Human Resources (HR) related issues. ENTERPRISE APPLICATIONS Exalead, France MEDIA & PUBLISHING Wolters Kluwer Germany LINKED OPEN GOVERNMENT DATA Open Knowledge Foundation, UK Objective Improving accessibility, findability and reusability of Open Government Data publicdata.eu Objective Supporting content-related production workflows in the media & publishing industry. 3 Use Cases of LOD2
- 30. Free to Use: The LOD2 Stack 1 st release of the LOD2 stack available at: http://stack.lod2.eu Integrated distribution of aligned tools which support the life-cycle of Linked Data from The LOD2 Stack also makes use of dataset metadata repositories such as thedatahub.org and http://publicdata.eu . Online demo at http ://demo.lod2.eu/lod2demo . Virtual machine image http ://stack.lod2.eu/VirtualMachines / Details & instructions HOWTO Start document
- 31. LOD2: Outreach & Information Open Government Stakeholder Survey 2012 – early 2012 http ://survey.lod2.eu Publink LOD Consulting Service – 2nd Call opens November 2011 http://lod2.eu/Article/Publink.html LOD2 webinar series on Linked Open Data tools starting soon! Where you can find all information Website: http :// lod2.eu Weblog: http ://blog.lod2.eu Twitter: http :// twitter.com/lod2project Mailing List: [email_address] SlideShare: http ://www.slideshare.net/lod2project Remark : please use #lod2 on twitter for your posts & connect with: @ lod2project Many thanks in advance!! AND: #lod2stack coming soon!
- 33. Infos & Kontakt Martin Kaltenböck, CMC Semantic Web Company GmbH (SWC) Lerchenfelder Gürtel 43 A-1160 Wien Semantic Web Company (SWC) Web http://www.semantic-web.at http://blog.semantic-web.at [email_address] Phone: +43-1-402 12 35–25 Open Government Data OGD Austria Austrian Chapter of the OKFN Web http:// gov.opendata.at LOD2 Creating Knowledge out of Interlinked Data Web http://www.lod2.eu Blog http://blog.lod2.eu
- 34. Putting the L in front From Open Data to Linked Open Data Annex
- 35. Open Government Data Stakeholder Survey 2010 http://survey.lod2.eu I current consume/publish data in the following formats Interoperabilty & Standards
- 36. Open Government Data Stakeholder Survey 2010 http://survey.lod2.eu I would ideally like to consume/publish data in the following formats Interoperabilty & Standards
- 37. Interoperabilty & Standards Henry Maudslay (1771 – 1831) He also developed the first industrially practical screw-cutting lathe in 1800, allowing standardisation of screw thread sizes for the first time. This allowed the concept of interchangeability (a idea that was already taking hold) to be practically applied to nuts and bolts. Before this, all nuts and bolts had to be made as matching pairs only. This meant that when machines were disassembled, careful account had to be kept of the matching nuts and bolts ready for when reassembly took place. http:// en.wikipedia.org/wiki/Henry_Maudslay John Sheridan, OGD2011 Conference, Vienna, Austria: http://www.slideshare.net/semwebcompany/linking-uk-government-data-john-sheridan/
- 38. Also take the Metadata into account! Towards Open Government Metadata (Sept 2010) In the EU eGovernment Action Plan semantic interoperability is mentioned “…as an essential precondition for open, flexible delivery of eGovernment services ”. Metadata Ignorance Public administrations should become aware of the importance of Metadata in eGovernment and the need for coherent relevant management policies. Scattered or Closed Metadata Public administrations should organize the scattered Metadata in structured repositories, catalogues or libraries and provide open access to the collected resources. Open Metadata for Humans & Open Reuseable Metadata Public administrations should provide services to query, browse and export their Metadata in a machine-readable and preferably non-proprietary format (e.g. CSV, XML). Linked Open Metadata Public administrations should consider applying linked metadata policies, including use of RDF to document their Metadata, persistent design, use and maintenance of URIs, linking to external vocabularies/schemata, harmonize their resources to third parties' resources etc. http:// www.semic.eu/semic/view/documents/towards_open_government_metadata.pdf
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- The LOD2 consortium partners bring the essential knowledge and tools to build the LOD2 stack …