"unknown value" was made for exactly that use case - a person that has died, but we don't know when.
I would just add that on the "date of death" property. On Sat, Sep 7, 2019 at 2:25 AM Thomas Douillard <thomas.douill...@gmail.com> wrote: > We have already a qualifier for this kind of stuffs, I think : P887 > <https://www.wikidata.org/wiki/Property:P887> this is a bit of a corner > case because it’s not the value that is computed here but the existence of > a value, but I think it will do. We just need an item for this, something > such as « most likely dead because born long before » should do the trick. > > Le sam. 7 sept. 2019 à 09:14, Federico Leva (Nemo) <nemow...@gmail.com> a > écrit : > >> Fabrizio Carrai, 07/09/19 09:53: >> > Since the oldest know person was 122, what about to set "date of death >> = >> > unknown value" for all the persons resulting older such age ? >> >> It seems to me a sensible thing to do. It's good you asked because it's >> better to avoid the risk of conflicting mass changes. >> >> I wounder if we need a qualifier to allow identifying this as an >> inferred piece of data: do people sometimes state "unknown value" when >> someone is known to be dead, but we don't know when they did? I would >> place a date of death with a precision of a decade or century in such a >> case, but I've not checked what's the frequency of such qualifiers yet. >> >> Federico >> >> _______________________________________________ >> Wikidata mailing list >> Wikidata@lists.wikimedia.org >> https://lists.wikimedia.org/mailman/listinfo/wikidata >> > _______________________________________________ > Wikidata mailing list > Wikidata@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata >
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