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On 25 November 2010 13:25, Jakob Voss <[log in to unmask]> wrote:

> On 25.11.2010 13:16, Simon Grant wrote:
>
>     3. A combination (set) of values. This could be different from a
>>    range, for instance if {2000-12,2000} is the set of the month
>>    December 2000 and the year 2000, which is not the same as the year
>> 2000.
>>
>> Maybe that's OK, but I don't yet understand the practical application of
>> a set of date/time values. Perhaps it would be clearer (to me at least)
>> to have some concrete examples?
>>
>
> For instance if a book has been published several times, it's publication
> date is a set of dates.
>
>
How do you square this with FRBR?

I wouldn't take seriously any proposed single entity with a publication set
of dates.
Doesn't this mean that the entity covers a set of other things each with
their own publication date?

Any other examples?

Thanks

Simon
-- 
Simon Grant
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http://www.simongrant.org/home.html