[whatwg] Dates BCE
Tab Atkins Jr.
jackalmage at gmail.com
Thu Jul 30 09:50:48 PDT 2009
On Thu, Jul 30, 2009 at 11:34 AM, David Singer<singer at apple.com> wrote:
> At 11:16 -0500 30/07/09, Tab Atkins Jr. wrote:
>> > 1) Machine readability.
>> This begs the question.
> raises the question. begging questions is assuming the answer in the
> premise of the question.
I meant it in the sense you specify. It begs the question by giving
machine readability as a reason for allowing it in <time>, when the
question is posed was "why do you need machine readability"?
>> Why do you need machine readability for the
>> dates in the Darwin journals? More specifically, why do you need
>> machine readability in a standardized fashion currently expected to be
>> used primarily for adding dates to calendars?
> It allows you to build databases with timelines, that span documents on the
> web from diverse sources.
This seems like a decent use-case to consider. You want to search the
web using temporal data as a search parameter in order to, for
instance, create a timeline.
>>> 2) Consistency across websites that mark up dates.
>> What form of consistency? Date format consistency? This varies by
>> use-case, region, and language. Machine-format consistency? You then
>> have to answer why such consistency is important - what does it let
>> you *do*?
> It would allow you to determine that *this* event reported in an arabic text
> with a date referring to a caliphate was actually almost certainly *before*
> this *other* event reported in a byzantine text with a date that is on the
> indiction cycle. The experts in arabic and byzantine texts individually
> might well have the skills to convert these dates to a uniform day-labelling
> system, whereas the interested reader might have the skills in one or the
> other, but maybe not both (or perhaps even, neither).
All right, so another use-case: you want to easily compare ancient
dates across the web, even if they're written in different and
possibly unfamiliar dating systems.
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