Semantic Web and Open Data
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  • 1. Linked Open Data Egon Willighagen (@egonwillighagen) May 2012, Maastricht, HARMONY 2012Department of Bioinformatics - BiGCaT 1
  • 2. Open Data• Use• Mix (or convert!)• Reshare• Licenses – Creative Commons flavors, …• Waivers – CCZeroDepartment of Bioinformatics - BiGCaT 2
  • 3. Linked Data: meaning• Why Semantic Web? – Unique identifiers: URLs (registries are redundant) – Meaning: what is glucose? What are Mad2, CDK2, Pax-5 (BioModel of the month 12/05, CCZero)?Ontologies, … – Gene Ontology – BioPortal, OLS, … – ... Department of Bioinformatics - BiGCaT 3
  • 4. Linked Data: linking• Why Semantic Web? – Web: stand-up scientist – Linking: “Give me all models that predict something that predict glucose concentration” – “What are the chemical properties of glucose”BIOMD0000000051CCZeroDepartment of Bioinformatics - BiGCaT 4
  • 5. Resource Description Framework RDF != RDF/XMLWikipediaDepartment of Bioinformatics - BiGCaT 5
  • 6. Linked Open Drug DataM. SamWald, et al, Linked open drug data for pharmaceutical research and development,2011, JChemInf.Department of Bioinformatics - BiGCaT 6
  • 7. Linked Open DataLinking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch.http://lod-cloud.net/ Sept 2011, CC-BY-SA.Department of Bioinformatics - BiGCaT 7
  • 8. Linked Open Data in the Life SciencesDepartment of Bioinformatics - BiGCaT 8
  • 9. Google ...Department of Bioinformatics - BiGCaT 9
  • 10. W3C Health Care and Life Sciencesinterest groupDepartment of Bioinformatics - BiGCaT 10
  • 11. W3C Health Care and Life Sciencesinterest group http://thecostofknowledge.com/Department of Bioinformatics - BiGCaT 11
  • 12. Why does it matter again?Department of Bioinformatics - BiGCaT 12
  • 13. Conclusion● Open Data – Use, mix, reshare● Linked Data ● Open standard (RDF, …) ● … thus domain independent ● Meaningful ● via ontologies and resolvable, unique identifiersDepartment of Bioinformatics - BiGCaT 13