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Quality and Gatekeeping Use Cases for the OOR

Quality and Gatekeeping Use Cases for the OOR. Ken Baclawski and M áximo Gurméndez College of Computer and Information Science Northeastern University. Motivation. Quality is a major concern Emphasized at the Ontology Summit 2008 Ontologies are similar to standards and publications

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Quality and Gatekeeping Use Cases for the OOR

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  1. Quality and Gatekeeping Use Cases for the OOR Ken Baclawski and Máximo Gurméndez College of Computer and Information Science Northeastern University

  2. Motivation • Quality is a major concern • Emphasized at the Ontology Summit 2008 • Ontologies are similar to standards and publications • A mechanism for review is necessary • Gatekeeping • Ensures minimum level of quality • Allows for many policies and workflows Joint Ontolog-OOR Panel Use Cases Take 3

  3. Sources of Requirements and Use Cases • ISO 11179: Metadata Repository (MDR) • XMDR Project: Extended MDR • Ontology Summit 2008 • Several sessions devoted to requirements • Wiki page for requirements and use cases • What are the requirements? Joint Ontolog-OOR Panel Use Cases Take 3

  4. Management Requirements • Version management • Configuration management • Provenance and other metadata • Metadata validation/authentication • Related to policy issues • Ontology ownership and access control Joint Ontolog-OOR Panel Use Cases Take 3

  5. Administration and Policy Issues • Gatekeeping policies and enforcement • Overall policies or left to individual repositories • Policy-making bodies • How are they constituted? • How can they interoperate? Joint Ontolog-OOR Panel Use Cases Take 3

  6. Development of OOR Use Cases • Consulted existing examples • Assignment in software engineering course • Classified all of the examples • Developed Use Case Description Ontology • Developed OOR use cases as instances of UCDO • Available at http://www.ccs.neu.edu/home/kenb/ontologies/ Joint Ontolog-OOR Panel Use Cases Take 3

  7. Classification of Use Cases • Administer user authorizations and privileges • Assign identifiers • Define workflows and policies • Federate OOR instances • Harmonize and map ontologies • Publicize ontologies • Query metadata • Register ontologies • Review and evaluate ontologies Joint Ontolog-OOR Panel Use Cases Take 3

  8. Use Case Description Ontology Joint Ontolog-OOR Panel Use Cases Take 3

  9. Prototype Implementation • Experimental • Web Services Based • ISO 11179 Foundations • JBPM as Workflow Engine Joint Ontolog-OOR Panel Use Cases Take 3

  10. Prototype: User Hierarchies Accreditor Registrar Steward Submitter User Joint Ontolog-OOR Panel Use Cases Take 3

  11. Prototype: Process Definitions Joint Ontolog-OOR Panel Use Cases Take 3

  12. Prototype: Sample Scenario • Registrar uploads process definition: • “Stewards validates model before it becomes a standard” • Submitter uploads new model (Status=PENDING) • Workflow Engine notifies Steward (according to process definition) • Steward Validates Model (Form Task) • Workflow Engine Modifies Status (Status=STANDARD) Joint Ontolog-OOR Panel Use Cases Take 3

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