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DATETIME  December 2010

DATETIME December 2010

Subject:

precision

From:

"Denenberg, Ray" <[log in to unmask]>

Reply-To:

Discussion of the Developing Date/Time Standards <[log in to unmask]>

Date:

Thu, 9 Dec 2010 17:24:43 -0500

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Parts/Attachments

text/plain (21 lines)

I want to try to break some of the recent discussion into smaller chunks. Can we focus in this thread on precision.  To be honest, I don't really understand the issue, at least, not the requirement. Or perhaps, not the use case. 

Anyway ...
 
I said 
'{1960,1961,1962,1963} - this means in effect "all of the
 (discrete) years, 1960 through 1963".  It DOES NOT mean "the
(continuous) interval 1960 through 1963"' 

And Ed replied:
But it is, in fact, the continuous interval 1960 through 1963 with precision of year.

A use case I have in mind is "year of publication". You want to record the years a book was published. Say it was published in each of the years 1960, 1961, 1962, and 1963.   

Do you see this as a "continuous interval with precision of year"?   I don't, because, for one thing, I'm not really certain what that means. Perhaps you could supply a better use case than "years of publication" to illustrate. 

We can perhaps find a way to impose a precision indicator, but first I would like us to ascertain that it is both meaningful and required. And I would like to understand a use case or two to back it up.


--Ray

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