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Lessons from the example

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  • The catalog example shows that the distinction between data exchange and publishing is ultimately an artificial one (the same source would also be used to create the printed catalog)
  • The rendition in each case occurs on the web client
  • The database owner can publish a single data stream to the entire world
  • Consider the alternative:
    • Generation of a different HTML output stream for every possible user and target platform
    • Much greater load on the server
    • No user autonomy
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XML & JAVA: PORTABLE DATA PORTABLE PROGRAMS

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