Where are we: Multi Tier Architecture

• Summary of Base Pragmatic Object Web approach with

  • Multi-tier Architecture;
  • Distributed Electronic Objects

• Technologies:

  • Data Structures (XML, MathML/ScienceML, VRML …. )
  • Web Page Object Model or DOM
  • Client(DHTML, JavaScript);
  • System building Languages (Java, Perl …)

• Services:

  • Security
  • Naming Registration and look up
  • Collaboration or Object Sharing

• Applications or Systems built using this approach, which are called Portals

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