An XML-based approach to multimedia software engineering for distance learning

  • Authors:
  • T. Arndt;S. K. Chang;A. Guercio;P. Maresca

  • Affiliations:
  • Cleveland State University;University of Pittsburgh;University of Salerno;University "Federico II", Napoli

  • Venue:
  • SEKE '02 Proceedings of the 14th international conference on Software engineering and knowledge engineering
  • Year:
  • 2002

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Abstract

Multimedia Software Engineering (MSE) is a new frontier for both Software Engineering (SE) and Visual Languages (VL). In fact multimedia software engineering can be considered as the discipline for systematic specification, design, substitution and verification of visual patterns. Visual Languages contribute to MSE such concepts as: Visual notation for software specification, design and verification flow charts, ER diagrams, Petri Nets, UML visualization, visual programming languages etc. Multimedia Software Engineering and Software Engineering are like two sides of the same coin. On the one hand we can apply software engineering principles to the design of multimedia systems. On the other hand we can apply multimedia technologies to the software engineering practice. In this paper we concentrate on the first of these possibilities. One of the promising application areas for Multimedia Software Engineering is Distance Learning. One aim of this paper is to demonstrate how it is possible to design and to implement complex multimedia software systems for Distance Learning using a Teleaction Object transformer based on XML technology applying a Component-Based Multimedia Software Engineering approach. The paper shows a complete process of dataflow transformation that represents TAO in different ways (text, TAOML, etc.) and at different levels of abstraction. A component-based tool architecture is also discussed.The use of an XML-based approach in the Distance Learning field has other advantages as well. It facilitates reuse of the teaching resources by using metadata. Standards for representing multimedia distance learning materials are currently evolving. Such standards are necessary in order to allow a representation which is independent of hardware and software platforms so that this material can be examined, for example, in a web browser or so that it may be reused.