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Webinar on Ontology Management using Vocbench in the context of AGINFRA+ Project

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Vocbench is a vocabulary and ontology management web-based tool. Its original purpose was the management of the AgroVoc thesaurus. It is actively maintained by the ART group of University of Rome Tor Vergata. VocBench is a full-feature management platform, allowing the creation, import, update and merge of vocabularies and ontologies.

At the slides Antonis Koukourikos from AGROKNOW described how this tool has been used at the AGINFRA+ project.

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Webinar on Ontology Management using Vocbench in the context of AGINFRA+ Project

  1. 1. WWW.PLUS.AGINFRA.EU AGINFRA PLUS - Accelerating user-driven e-infrastructure innovation in Food & Agriculture has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 731001. AGINFRA+ Semantic Services Project Webinar 4 December 2018 Antonis Koukourikos Agroknow
  2. 2. WWW.PLUS.AGINFRA.EU Ontology Management Data Transformation Data Linking Ontology Visualisation Semantic Services Webinar 2 AGINFRA+ Semantic Services
  3. 3. WWW.PLUS.AGINFRA.EU Ontology Management
  4. 4. WWW.PLUS.AGINFRA.EU Web-based collaborative environment Supports the creation and management of OWL ontologies and SKOS thesauri History preserving functionality Multi-language support The VocBench 3 application Semantic Services Webinar
  5. 5. WWW.PLUS.AGINFRA.EU Each vocabulary/ ontology is a VocBench project Each project is carried out by one or more users, each having a specific role Depending on his role, every user has a different view of the project’s content 5 VocBench workflow Semantic Services Webinar
  6. 6. WWW.PLUS.AGINFRA.EU Each project should have:  A descriptive name  A Base URI that will be used as the namespace for the vocabulary/ ontology that will be created  A specification of the model (expressivity) and the lexicalization (annotations provided by default) that will be used for the project Projects are created and configured by the VocBench administrator 6 Project creation Semantic Services Webinar
  7. 7. WWW.PLUS.AGINFRA.EU 7 Project Creation Screen Semantic Services Webinar
  8. 8. WWW.PLUS.AGINFRA.EU 8 User Management Screen Semantic Services Webinar
  9. 9. WWW.PLUS.AGINFRA.EU Domain experts describe the domain to be conceptualized and the terminology to be used  Participating entities and their relations Ontologists translate the conceptualization to the RDF model Linguists provide annotation information, possibly in different languages 9 Collaborative Creation of an Ontology Semantic Services Webinar
  10. 10. WWW.PLUS.AGINFRA.EU Accessing a VocBench project Creating classes Creating properties Creating individuals Adding lexicalizations 10 Working Example – EU Projects Ontology Semantic Services Webinar
  11. 11. WWW.PLUS.AGINFRA.EU 11 EU Projects Ontology Semantic Services Webinar
  12. 12. WWW.PLUS.AGINFRA.EU Changes are tracked at a statement (triple) granularity Users can revert to a previous version from the History panel/view of the project The validation view allows the approval/rejection of any change throughout the lifecycle of a project 12 History and Validation Semantic Services Webinar
  13. 13. WWW.PLUS.AGINFRA.EU Data Transformation
  14. 14. WWW.PLUS.AGINFRA.EU Data Wrangling application  Data cleanup  Data transformations Manages tabular data  MS Excel™  CSV  Google sheets  JSON Extensible via plugins  RDF export The OpenRefine toolkit Semantic Services Webinar
  15. 15. WWW.PLUS.AGINFRA.EU Load tabular data Creating an RDF skeleton Exporting from Data Transformation service Importing to VocBench 15 Working Example – Adding to an Ontology Semantic Services Webinar
  16. 16. WWW.PLUS.AGINFRA.EU Data Linking
  17. 17. WWW.PLUS.AGINFRA.EU Link generation between data items from different Linked Data sources Underlying usage of a declarative language for expressing the rules (Silk-LSL) Visual UI for building a ruleset is provided by the framework The Silk framework Semantic Services Webinar
  18. 18. WWW.PLUS.AGINFRA.EU Creating a project Adding resources Adding linking rules Creating links 18 Working example Semantic Services Webinar
  19. 19. WWW.PLUS.AGINFRA.EU Ontology Visualisation
  20. 20. WWW.PLUS.AGINFRA.EU Web application and open-source library for interactive ontology visualization Supports most OWL constructs  Visualization of more complex constructs are under implementation 20 The WebVOWL library Semantic Services Webinar
  21. 21. WWW.PLUS.AGINFRA.EU CONSORTIUM WWW.PLUS.AGINFRA.EU Thank You! 21

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