On 22 August 2015 22:07:20 GMT+01:00, Lester Caine <[email protected]> wrote:
>BUT OHM has avoided importing all of the existing material. Manually
>adding all that again is a pointless exercise. What we need is a
>database that already has all the data

Yes (or find a way to constantly merge current data into ohm)

> and simply identify when some
>small elements of it cease to be current.

Identifying is simple, but what to do with those elements is much more 
complicated. Sorry, but foo=dismantled and end_date=* have a lot of issues, 
they're not good enough.

So far we've avoided the problem by sticking to the "we map the present" 
principle (meaning stuff that no longer exists gets deleted). Before we can 
change that stance, we need a credible solution to the "map the past" usecase.
-- 
Vincent Dp

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