My final year project is exactly this. I am using a robot to compile a
knowledge-base on various keywords.
The documentation is at : http://eeisun2.city.ac.uk/~ftp/Guinness/Hello.html
Early results are at : http://eeisun2.city.ac.uk/~ftp/Guinness/results2.html
It would appear that a knowledge-base hooked up to an index catalogue can be
extremely useful in returning more accurate results. Naturally, the user still
has a lot of the responsibility in making his query as less ambigous as
possible.
Any feedback will be much appreciated.
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Dave Weeks.
University of Surrey.