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List:       ldap
Subject:    Re: newbie question
From:       "David Chadwick" <d.w.chadwick () zetnet ! co ! uk>
Date:       1998-02-28 16:58:11
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> Date:          Fri, 27 Feb 1998 20:38:31 -0500 (EST)
> From:          "James H. Young" <sysjhy@gsu.edu>
> Reply-to:      jhy@gsu.edu
> To:            Michael Simms <michael.simms@utoronto.ca>
> Cc:            ldap@umich.edu
> Subject:       Re: newbie question

>
James, 
Your analysis made very interesting reading. Its hardly surprising 
really that the different vendors create different filters, and that 
no-one really knows what the ideal filter is. Heck, Paul Barker of 
UCL spent his entire PhD on studying the types of queries that users 
input, and how the best results could be gained from using different 
filters and different approximate matching algorithms (Soundex did 
not come out too good, you might be surprised to learn). His entire 
PhD thesis is on line at:

    ftp://cs.ucl.ac.uk/dirpilot/pbthesis/

I suggest you download a copy and read it if your are interested - 
more than that, I suggest that the Netscape and Microsoft system 
engineers download it and read it, then we might get even better 
search filters created.

David
***************************************************
David Chadwick
IT Institute, University of Salford, Salford M5 4WT
Tel +44 161 295 5351  Fax +44 161 745 8169
Mobile +44 370 957 287
Email D.W.Chadwick@iti.salford.ac.uk
Home Page  http://www.salford.ac.uk/its024/chadwick.htm
Understanding X.500  http://www.salford.ac.uk/its024/X500.htm
X.500/LDAP Seminars http://www.salford.ac.uk/its024/seminars.htm
***************************************************

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