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Opportunities and Challenges for using Semantic Technologies

Opportunities and Challenges for using Semantic Technologies. Stefan Decker. ?. A Network of Data and Knowledge. Interconnected Universal All encompassing assists humans, organisations and systems with problem solving enabling innovation and increased productivity.

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Opportunities and Challenges for using Semantic Technologies

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  1. Opportunities and Challenges for using Semantic Technologies Stefan Decker

  2. ?

  3. A Network of Data and Knowledge Interconnected Universal All encompassing assists humans, organisations and systems with problem solving enabling innovation and increased productivity

  4. Linked Data: Two Key Ingredients • RDF – Graph based Data • Identifies objects (URIs) • Interlink information (Relationships) • Vocabularies (Ontologies) • provide shared understanding of a domain • organise knowledge in a machine-comprehensible way • give an exploitable meaning to the data

  5. Why Graphs and Ontologies?Linked Data! Cities:Dublin Geo:hasLargestCity Wikipedia.org 84421km2 Geo:IslandOfIreland Geo:hasCapital Geo:area Geo:locatedOn EU:RepublicOfIreland EU:RepublicOfIreland Gov:hasDepartment Gov.ie Gov:hasTaoiseach Person:BrianCowen IE:DepartmentOfFinance

  6. Linked Open Data cloud - domains BestBuy Overstock.com Facebook http://lod-cloud.net/ Over 200 open data sets with more than 25 billion facts,interlinked by 400 million typed links, doubling every 10 month! US government UK government Media BBCNew York Times User-generated Government Publications Cross-domain Geo LinkedGeoData Life sciences Linking Open Data cloud diagram, by Richard Cyganiak and AnjaJentzsch. 6

  7. Network Effects

  8. Which school is the best for our child?

  9. Where should we locate the new factory?

  10. Where did our money go? • TARP Funds

  11. Where do I place… • A new hospital? • A new school? • A new shop? • A new distribution centre? • A new factory?

  12. Effects…. • Reuse of the data, new business opportunities. • Increase the citizen engagement and participation • Improve eGovernment effectiveness and Interoperation: direct access, cut costs

  13. Open Data vs. Linkable Data Linkable, Open Data! • Open Data • Equal access for all • Licensing, legal issues • Transparency • Changing the way government works • LinkableData • Easy to Integrate • Standards complient

  14. http://www.w3.org/DesignIssues/LinkedData.html Tim Berners-Lee

  15. education development transportation decision based on facts!

  16. Examples from around the world …

  17. Government data catalogs http://datos.fundacionctic.org/sandbox/catalog/map

  18. Development 2006 - now

  19. data.gov.uk • Provides guidance for all UK governmental agencies how to publish with Linked Data • Lists datasets and applications for developers and end-customers • We’re active in supporting this effort http://data.gov.uk/

  20. Linked Governmental Data in use … UK Public Sector Information Data Mashuphttp://map.psi.enakting.org/

  21. Linked Governmental Data in use … Research Funding Explorerhttp://bis.clients.talis.com/

  22. Linked Governmental Data in use … Comparing US and UK Global Foreign Aidhttp://data-gov.tw.rpi.edu/demo/linked/aidviz-1554-10030.html

  23. Linked Governmental Data in use … Crime statisticshttp://www.jenitennison.com/visualisation/crime.html

  24. Ireland: Fingal Open Data

  25. Italy: Tentino Open Data

  26. LATC:EC Governmental Datasetshttp://latc-project.eu/ • Will focus on three domains: business-related data, legal data, and data about European institutions • Publish 20 datasets produced by European institutions with an expected volume of over 10 billion triples and 100 million links, such as: • Eurostat • CORDIS • European Job Mobility Portal • Euro-LEX • … “To create an in-depth test-bed for data intensive applications concerning EC governmental data.”

  27. driving Web standards

  28. Standardisation • eGovernment Interest Group (eGov IG)http://www.w3.org/2007/eGov/IG/ “The mission of the eGov IG is to explore how to improve access to government through better use of the Web and achieve better government transparency using open Web standards at any government level (local, state, national and multi-national)”

  29. Standardisation • Projects http://www.w3.org/egov/wiki/Projects • Outreach • Demonstration • Best Practices for Using Web Technologies to Deliver Government Services • Best Practices for Government Data Management • Best Practices for Government Use of Social Media • Data Catalog Vocabulary task forcehttp://www.w3.org/egov/wiki/Data_Catalog_Vocabulary

  30. You’re sitting on a treasure chest … http://www.flickr.com/photos/benjaminbeard/5455151456/

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