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RE: More on Vector Models

  • To: xml-dev@l...
  • Subject: RE: More on Vector Models
  • From: "Bullard, Claude L (Len)" <len.bullard@i...>
  • Date: Tue, 3 May 2005 10:04:02 -0500

vector models
Actually, I believe we know pretty well the boundaries 
of what can be done with XML:  data transport.  It's 
a coffee cup:  lots of shapes and styles but one 
basic topology.

The subtleties are in applications.  There can be lots 
of those and there are lots of semantics, but XML is 
blithely ignorant of those.  A very high percentage of 
the discussions on this and other lists that talk about 
'doing XML' are really about 'applying' XML.

There are overlapping areas though that should get 
our attention.  One of these is indexing and automated 
categorization.  Vector models are pretty good at both.

1) There is a much larger set of unstructured information 
than marked-up information.  Information Retrieval (IR) 
systems deal with that.  Vector models come from that world.

2) Using humans to do markup on unstructured sources doesn't 
scale very well.

3) Applying vector analysis is one means to automate that. 
It is a well understood set of techniques, and one amenable 
to cheap CPUs, free rendering engines, and even SOA.

So the twenty five dollar question:

If you have the vector indices, do you need the markup?


From: David Lyon [mailto:david.lyon@c...]

Getting the ideas and selling them is the easy part. Writing them is a
harder. Debugging them harder again. Production testing is time-consuming.


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