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Linked Data and SKOS

Knowledge organization systems like taxonomies or thesauri can benefit from linked data approaches and vice versa. In recent years SKOS became very popular in various industries due to its simplicity, not only for information retrieval purposes but also for knowledge modelling itself. For many organizations SKOS turned out to be the entry point to the Semantic Web.

A rather novel approach is to use SKOS as means for data integration. In combination with RDF mapping and linked data alignment technologies complex knowledge bases can be built to use them for the following application scenarios which we will demonstrate by using the PoolParty platform.

• How the creation of thesauri can become more efficient when built upon existing linked data sources
• how SKOS thesauri can be aligned with LOD sources and can be published as an LOD source itself
• How linked data mechanisms can be used to improve decentralized vocabulary management
• How SKOS and linked data alignment can be used for efficient schema mapping and value mapping
• How SKOS thesauri can be enriched with linked data to realise semantic search engines in a very efficient way
• How collaborative platforms like Sharepoint or Confluence can benefit from SKOS based knowledge models in combination with linked data

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Linked Data and SKOS

  1. 1. Linked Data and SKOSConnecting the dots.Andreas BlumauerSemantic Web
  2. 2. Agenda• Our view on Linked Data• Brief introduction to SKOS & PoolParty• Linked Data & SKOS 1. Publish SKOS thesauri as linked data 2. Generate SKOS from LOD sources, enrich SKOS with LOD 3. Make use of SKOS for linked data alignment & data integration• Bringing SKOS & Linked Data to Enterprises (Confluence, Sharepoint, WordPress & Co.)• Conclusio © Semantic Web Company – 2
  3. 3. Our view on Linked Data© Semantic Web Company – 3
  4. 4. Towards a „Web of Data“© Semantic Web Company – 4
  5. 5. Two main applications of linked data• Super-Mashups • Complex search queriesGrapefruit (Citrus paradisi)is a subtropical citrus tree firstbred in Barbados. • Which other fruits provide a comparable amount of vitamin C like grapefruits do? Dietary restrictions •Gluten-free diet • Which country produces the most •Vegetarian •Veganism grapefruits per capita? Top Producers •USA • What is the relation between •China grapefruits and Georgian wine? •South Africa Other plants from Barbados •Coconut •Matico •Grandleaf Seagrape © Semantic Web Company – 5
  6. 6. From ‚Gopher‘ to ‚Super-Mashups‘© Semantic Web Company – 6
  7. 7. Live-Demo© Semantic Web Company – 7
  8. 8. Linked Data: Use Cases 1.3. 1. Linked Data for internal data integration 3. Linked Data Consuming 2. 5. Linked Data Publishing 7. Combine 1, 2, 3 © Semantic Web Company – 8
  9. 9. Brief introduction to SKOS & PoolParty© Semantic Web Company – 9
  10. 10. Example: Schools Online Thesaurus Live-Demo© Semantic Web Company – 10
  11. 11. PoolParty stands for ‚Simple Knowledge Organization System‘ 2. 4.1. 3. 5. 1. Each concept in one or many concept schemes 2. Each concept has one URI 3. Each concept has one ore more labels 4. (Poly-)Hierarchical and non-hierachical relations 5. Matching between concepts from various sources © Semantic Web Company – 11
  12. 12. PoolParty product family© Semantic Web Company – 12
  13. 13. Linked Data & SKOS© Semantic Web Company – 13
  14. 14. Publishing SKOS as Linked Data© Semantic Web Company – 14
  15. 15. Generate SKOS from Linked Data sources, enrich SKOS with LODAuto-populate thesauri Live-Demo © Semantic Web Company – 15
  16. 16. Using SKOS for entity extraction & content enrichmentEnrich text with linked data Live-Demo © Semantic Web Company – 16
  17. 17. SKOS & Linked data alignment<person> <employee> Thomas Miller Tom Miller</person> </employee> Source Source 1 2 © Semantic Web Company – 17
  18. 18. Bringing SKOS & Linked Data to Enterprises Content- RecommendationAuto-TaggingSemantic Indexing © Semantic Web Company – 18
  19. 19. Sharepoint Integration: Enterprise Vocabulary© Semantic Web Company – 19
  20. 20. WordPress SKOS-Integration Download free SKOS plugin for Wordpress! © Semantic Web Company – 20
  21. 21. ConclusioDownload slides: Try PoolParty: © Semantic Web Company – 21
  22. 22. Contact Andreas Blumauer CEO a.blumauer@semantic-web.atSemantic Web Company GmbH Strasse 70/8 http://poolparty.biz1070 ViennaAustria © Semantic Web Company – 22