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CopperCore, an Open Source IMS Learning Design Engine. Hubert Vogten Open University of the Netherlands OTEC. What is Open Source?. Open Source is about: the right to make copies of the software and distribute these copies the right to access the source code of the software

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coppercore an open source ims learning design engine

CopperCore, an Open Source IMS Learning Design Engine

Hubert Vogten

Open University of the Netherlands

OTEC

what is open source
What is Open Source?
  • Open Source is about:
    • the right to make copies of the software and distribute these copies
    • the right to access the source code of the software
    • the right to make improvements to the software
    • these rights are guaranteed through a license
  • For an exact definition and the approved licenses have a look at http://opensource.org
open university of the netherlands otec
Open University of the Netherlands (OTEC)
  • has been involved in the development of an learning design specification for many years which finally resulted in IMS Learning Design
  • is committed to providing services/dissemination but, has limited resources
  • the LD community is looking at us with regards to first implementations of the specifications of this complex specification
  • we decided to develop CopperCore, an IMS Learning Design Engine and make it available as Open Source
coppercore development strategy 1 2
CopperCore Development Strategy (1/2)
  • Why Open Source development?
    • out of principle, publicly funded, public access
    • enhance quality, code is peer reviewed by community
    • enhance resources by contributions of others
    • enables the use of other Open Source components
    • (governments are enforcing it by law, however not yet in the Netherlands)
  • Advantage for users of CopperCore
    • use of the code is free (access, copying, modifying)
    • no restrictions in usage of the code except for the GPL in case of the CopperCore
  • No issues about IPR when collaborating with others
coppercore development strategy 2 2
CopperCore Development Strategy (2/2)
  • CopperCore Objectives:
    • to provide an open source software component that can process the IMS Learning Design specification encapsulating it’s complexity for developers wanting to integrate LD in their environment
  • NOT to provide yet another VLE
    • allows integration in different environments
      • not indented to be used stand alone, but rather in a service or component based architecture
coppercore api s
CopperCore API’s
  • Provides 3 Application Programming Interfaces
    • dealing with administrative tasks
    • dealing with run-time delivery of the IMS LD specification
    • dealing with time dependent events
  • Two levels of APIs are supported
    • native Java, based on the J2EE framework
    • web services through SOAP
the coppercore add ons
The CopperCore add-ons
  • Clicc
    • very basic command line access to the administrative API
  • Publisher
    • a basic web interface allowing the validation and publication of IMS LD manifests
  • WebPlayer
    • very simple LD player demonstrating the use of the run-time delivery API
coppercore and other components

presentation layer

components

CopperCore and other components

authentication

QTI component

authorization

CopperCore

searching

conferencing

policy management

LIP component

user management

how did open source strategy help us
How did Open Source strategy help us ?
  • by giving IMS LD community easy access to CopperCore, stimulating use of LD
  • similar we can and did use developments of others. Community building around (educational) components
  • we have got feedback and code proposals from others which enhanced and improved our developments
  • has led to cooperation with others like Alfanet, the Service Based Learning Design in JISC ELF and with Reload in Unfold
additional information
Additional information
  • CopperCorehttp://copercore.org
  • Unfoldhttp://www.unfold-project.net
  • Reloadhttp://reload.ac.uk
  • The SLeD player http://ldplayer.sourceforge.net
  • JISC E-Learning Frameworkhttp://www.jisc.ac.uk/
  • Alfanethttp://alfanet.ia.uned.es
  • And the stand of the Open University
why choose for open source development
Why choose for Open Source Development?
  • Principle reasons
    • publicly funded projects should be publicly accessible
  • Practical reasons
    • more and more governments enforcing it by law
    • means of bundling and extending resources
      • more people working on the code
      • re-use of components that are available
    • means of improving quality by having peers reviewing the code