Additionally, and probably mostly as it's where they are taking there name from, truthy statements are statements with the best rank on a given property: for instance, the Earth (Q2) has 3 shapes (P1419) statements - oblate spheroid (Q3241540), geoid (Q185969), and ball (Q838611) - but while 2 (oblate spheroid, and ball) have a "normal" rank, 1 (geoid) was given a "preferred" rank. Thus, when considering truthy statments, the only value for Earth shape is geoid.

Hope that helps :)

Bests,

Maxime Lathuilière

Le 03/12/2017 à 07:54, Fariz Darari a écrit :

Truthy=simple, direct, only Subject-Predicate-Object structure

For example: wd:Q76127 wdt:P26 wd:Q468519 (= Sukarno hasSpouse Fatmawati)

All=contains not only the Truthy ones, but also the ones with qualifiers (= how long was the marriage? when did the marriage happen?), references (sources to support the claim), and preferences (in case of multiple values, one might be preferred -- think of multiple birth dates of some people).

-fariz

Regards,
Fariz

On Sun, Dec 3, 2017 at 1:49 PM, Laura Morales <lauretas@mail.com> wrote:

Can somebody please explain (in simple terms) what's the difference between "all" and "truthy" RDF dumps? I've read the explanation available on the wiki [1] but I still don't get it.
If I'm just a user of the data, because I want to retrieve information about a particular item and link items with other graphs... what am I missing/leaving-out by using "truthy" instead of "all"?
A practical example would be appreciated since it will clarify things, I suppose.

[1] https://www.wikidata.org/wiki/Wikidata:Database_download#RDF_dumps

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