Hi!

> The reason why we save the actual value with more digits than the
> precision (and why we keep the precision as an explicit value at all) is
> because the value could be entered and displayed either as decimal
> digits or in minutes and seconds. So internally one would save 20' as
> 0.333333333, but the precision is still just 2. This allows to roundtrip.
> 
> I hope that makes any sense?

Yes, for primary data storage (though roundtripping via
limited-precision doubles is not ideal, but I guess good enough for
now). But for secondary data/query interface, I am not sure 0.333333333
is that useful. What would one do with it, especially in SPARQL?
-- 
Stas Malyshev
[email protected]

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