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- From: MURATA Makoto <murata.makoto@fujixerox.co.jp>
- To: xml-dev@ic.ac.uk
- Date: Mon, 06 Dec 1999 11:20:31 +0900
>I would like to pose the following question to those of you with a
>mathematical bent who have some spare time (I'm not expecting the answer
>quickly - this is a holiday teaser I suspect!).
I gave a talk at XTech'99 on automatic construction of
intersection/union/difference of schemata (or DTDs). I even demonstrated
my prototypical implementation.
>is there a formula that can be used to determine whether the same pair of
>elements are valid in both DTD1 and DTD2? If there is, is there a way to
>determine the difference caused by the following conditions being added:
If the intersection of two schemata (or DTDs) is not empty, there exists
such elements.
My slides and annotated log file of my demonstration are available at:
http://www.geocities.com/ResearchTriangle/Lab/6259/XTech99/index.htm
You might want to retrieve this single file which contains all HTML pages
and image files.
http://www.geocities.com/ResearchTriangle/Lab/6259/XTech99/xtech99.zip
An introduction to hedge automata is available at:
ttp://www.geocities.com/ResearchTriangle/Lab/6259/hedge_nice.pdf
Makoto
Fuji Xerox Information Systems
Tel: +81-44-812-7230 Fax: +81-44-812-7231
E-mail: murata.makoto@fujixerox.co.jp
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