Some Principles in Tango Support of Distance Education II

• Need to support

  • Synchronous and Asynchronous Delivery
  • Web-linked Databases
  • Archiving of classes as linked "events" including digitized audio-video recording; cursor positions etc.

• Four Authoring Models

  • Simple HTML or PowerPoint
  • Medium level (enhanced Web) Systems such as WebCT, Cornell Virtual Workshop
  • High level Web such as Java Simulations, Dynamc HTML
  • Macromedia and other sophisticated multimedia authoring systems -- must be better integrated with mainstream web

• Assume all surviving systems will support W3C Document Object Model

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