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Integrating OKI Architecture in eLearning: Interfaces and Application Management

This document explores the integration of OKI (Open Knowledge Initiative) architecture into eLearning systems. It focuses on the implementation of application programming interfaces (APIs) that maintain consistent interfaces amid evolving applications. The OKI framework enables institutions to selectively implement services such as student records behind common interfaces. Additionally, it discusses modular components of learning management systems (LMS) and their interaction through the OKI framework. The goal is to provide flexibility and adaptability in educational software design, catering to diverse learning object storage and management needs.

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Integrating OKI Architecture in eLearning: Interfaces and Application Management

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  1. OKI Applied to Learning Object Storage, Discovery & Tracking • OKI Architecture in Principle • OKI Architecture Applied • CARET eLearning Systems Team • Warwick Bailey • Wenyan Ji • Madhavi Thottempudi

  2. eLearning Application Interface / API Implementation OKI in Principle • use OKI or CARET APIs so that the interfaces remain the same as implementations or applications change

  3. Application from supplier B Result An institution places the implementation of its services, such as student records, behind an interface. The institution may then choose between different applications available. Software Design Using OKI or or Application from supplier C Application from supplier A Interface / API Implementation

  4. Common Services Layer OKI Deliverables A collection of two layers of interfaces. The wider OKI community develops implementations and applications. Software Design Using OKI Educational Services Layer Interface / API

  5. Common Services Layer OKI Architecture The learning management system is built from modular applications and implementations plugged in above and below the interfaces respectively. Software Design Using OKI Educational Services Layer Class Mgmt Content Mgmt Assessment Respository Course Mgmt Authentication Authorization Filing Database Workflow Interface / API

  6. Learning Object Display Learning Object Management Learning Object Storage CARET Player application - an ‘LMS’ CARET Hub application - an ‘LCMS’ that uses the OKIAuthentication interface CARET Archive service - a ‘repository’ that uses the OKI Digital Respository Interface Application Interface (API) Implementation Development at CARET Key

  7. Internet Demonstrations Search –Expose, Request-Deliver, Play-Track SCORM objects Search –Expose, Request-Deliver, Play-Track non-SCORM objects Demonstration Learning Object Display Learning Object Management Learning Object Storage 1 Search-Expose 3 Play-Track 2 Request-Deliver Player application Hub application Archive service Servers

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