Hoi, Yes you get both results at best and maybe arbitrarily only one never mind which one. It requires a query engine that is so smart that it is no longer the kind of query engine I know exists. Thanks, GerardM
On 23 April 2015 at 12:18, Thomas Douillard <thomas.douill...@gmail.com> wrote: > You should read the helpages Gerard sometimes :) > > This is on the Wikidata plan since the beginning, it is usable since the > beginning, and it will be queryable ... I really don't understand what > bothers you. > > 2015-04-23 12:12 GMT+02:00 Gerard Meijssen <gerard.meijs...@gmail.com>: > >> Hoi, >> For me it is obvious ... this search for perfection is an enemy of what >> is good in Wikidata. It destroys the results of queries. It is not usable >> and it is only of use in a very small percentage of cases. >> >> Compare it with the "female mayor" question. Our issue is that we have >> not enough data in the first place and we should concentrate on making >> things easier to comprehend not weigh it down with the balast of >> discussions elsewhere. >> Thanks, >> GerardM >> >> On 23 April 2015 at 11:56, Thomas Douillard <thomas.douill...@gmail.com> >> wrote: >> >>> In wikidata, the absence of a claim about something cannot mean the >>> claim has no couterpart in reality, as Wikidata is an will always be >>> incomplete. >>> >>> For example if we have a series, maybe finished, maybe unfinished, we >>> wil have claims that says: >>> >>> Episode 2 follows Episode 1 >>> Episode 3 follows Episode 2 >>> ... >>> >>> If for some reason we're sure that the series is other, we can state >>> no value follows Episode 2 >>> >>> Which means "We're sure the series is other". >>> >>> Otherwise this means "Wikidata do not know", for some reason there could >>> be a following episode but noone updated Wikidata yet, for example. >>> >>> 2015-04-23 11:33 GMT+02:00 Gerard Meijssen <gerard.meijs...@gmail.com>: >>> >>>> Hoi, >>>> Sorry for being dense.. What is wrong with there being no value ? >>>> Having a "no value" is imho understanding only a complication of saying >>>> nothing... Why not say nothing in the first place ? >>>> Thanks, >>>> GerardM >>>> >>>> On 22 April 2015 at 21:52, Markus Krötzsch < >>>> mar...@semantic-mediawiki.org> wrote: >>>> >>>>> Hi Thomas, >>>>> >>>>> On 22.04.2015 20:06, Thomas Douillard wrote: >>>>> >>>>>> Hi, there is items about Wikibase data model in Wikidata (created by >>>>>> me, >>>>>> but not only) >>>>>> >>>>>> If I understand correctly, they could be cited in the semantic web as >>>>>> https://www.wikidata.org/entity/Q19798647 >>>>>> >>>>> >>>>> "No value" is exactly that: not a value. It should not be confused >>>>> with a (definite) value that is used with claims (as the item description >>>>> seems to suggest). The reason why we introduced "no value" was to be able >>>>> to say this without resorting to a "special value" to represent this. >>>>> >>>>> You can also find some rationale about this in our article "Wikidata: >>>>> a free collaborative knowledgebase" (see >>>>> https://ddll.inf.tu-dresden.de/web/Article4002/en). Basically, the >>>>> main point is that, if you are querying for two people with a common >>>>> child, >>>>> you wouldn't want to get pairs of people who both have "novalue" as a >>>>> value >>>>> for "child". The same is true for "some value" (sometimes referred to as >>>>> "unknown value") -- again, if this would be a definite "special" value, >>>>> and >>>>> be treated like a value in queries, it would lead to wrong results. >>>>> >>>>> Cheers, >>>>> >>>>> Markus >>>>> >>>>> >>>>>> (If they are kept /o\) >>>>>> >>>>>> Tom² >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Wikidata-l mailing list >>>>>> Wikidata-l@lists.wikimedia.org >>>>>> https://lists.wikimedia.org/mailman/listinfo/wikidata-l >>>>>> >>>>>> >>>>> >>>>> _______________________________________________ >>>>> Wikidata-l mailing list >>>>> Wikidata-l@lists.wikimedia.org >>>>> https://lists.wikimedia.org/mailman/listinfo/wikidata-l >>>>> >>>> >>>> >>>> _______________________________________________ >>>> Wikidata-l mailing list >>>> Wikidata-l@lists.wikimedia.org >>>> https://lists.wikimedia.org/mailman/listinfo/wikidata-l >>>> >>>> >>> >>> _______________________________________________ >>> Wikidata-l mailing list >>> Wikidata-l@lists.wikimedia.org >>> https://lists.wikimedia.org/mailman/listinfo/wikidata-l >>> >>> >> >> _______________________________________________ >> Wikidata-l mailing list >> Wikidata-l@lists.wikimedia.org >> https://lists.wikimedia.org/mailman/listinfo/wikidata-l >> >> > > _______________________________________________ > Wikidata-l mailing list > Wikidata-l@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata-l > >
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