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Re: [help-GIFT] information about user and collection chose

From: Wolfgang Mueller
Subject: Re: [help-GIFT] information about user and collection chose
Date: Fri, 16 Feb 2001 10:01:12 +0100 (CET)

>>>>> "HM" == Henning Mueller <address@hidden> writes:

HM> Thanks Wolfgang,
HM> I know that it is not necessarily the duty of the scoreboard to know
HM> user and collection, but I am sure that you can imagine situations where
HM> it would be good to weight features in a different way depending on the
HM> user or the collection.

This is clear.
What you are getting wrong here is that I do not want to prevent
feature weighting, but I would like to prevent the way you want to implement
it. For the things you want to do there is the CWeightingFunction
class. You can inherit from this class and put all the information
concerning factors you want. This will happen in CQIFFileSystem or in
CQInvertedFile depending on the configuration of this structure. The
configuration is given by the configuration file, and I said I would
try to send CQuery (and thus all the structures which inherit from
CQuery) also the user-id and possibly the user-name. This should be
all the information you need. The CWeightingFunction mechanism was
explicitly designed for that, in fact this was my only justification
when David asked me why I don't do it the fast way.

HM> Tell me, when it is implemented.

Sir, yes, sir.


Wolfgang M&uuml;ller, 
assistant-doctorant ==  PhD student (2001), teaching assistant
Personal page: 
Maintainer, GNU Image Finding Tool (

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