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   Re: Schemas and Other Crucial XML Questions

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  • From: Daniel Veillard <Daniel.Veillard@w3.org>
  • To: Dave Carlson <dcarlson@ontogenics.com>, "XML Developers' List" <xml-dev@ic.ac.uk>
  • Date: Mon, 10 Aug 1998 18:24:46 -0400

> >There are, however, alternatives: for example, you could compile the
> >XML to a compact binary format for internal storage then decompile it
> >back to a verbose format for export -- there's no requirement to store
> >it internally as text.
> It's important to note that an XML stream can be very highly compresses with
> standard tools like WinZIP.  I have an XML file that's about 20K size, which
> includes many repititions of a small number of tags.  WinZIP produced 97%
> compression on this file!
> The standard Java library includes a zip utility class for zipping/unzipping
> streams, so it's possible to dramatically reduce transmission bandwidth
> while retaining long, descriptive tag names.

 A linux software database index encoded with RDF was reduced from
1.6 MBytes to a bit more of 150 KBytes using "gzip -9".


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