Quoting Simon Spero <[log in to unmask]>:

> I'm not sure that this usage of provenance is strictly correct.  The title
> on the title page and the title on the cover are two different pieces of
> information; they can have different values but still have identical
> provenance.
> The reason for not collapsing differentiating the two pieces of information
> is not primarily for user display (although collapsing the distinction may
> lead to interruptions in sequential displays); the main reason for keeping
> the two properties distinct is that they serve as identity criteria.

An interesting case in point: publisher records that I've seen often  
use the cover title for identification, since that is the title that  
items will be logically filed by in a bookstore, it being the visible  


> This
> is the case whether applying absolute identity (classical Leibniz's Law),
> relative identity (RLL), or when using  probabilistic record linkage (e.g.
> Felligi/Sunter).
> I am not sure of the strength of this  effect on F/S using maximum entropy
> weightings; if you could run the numbers for worldcat would be very useful.
> BTW, a useful    methodological approach to these questions might be useful
> to measure the effect of different proposed rule changes using this kind of
> metric.  This is also a case where using quantitative models of user
> information seeking behavior could be effective in selecting which possible
> models and rules are worth testing with real users.  Since a lot of the
> data fields in MARC are not independent, using information theoretic models
> to select hypotheses may be essential for cost reasons,.

Karen Coyle
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