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
>>>>>>
>>>>>>
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