Thank you! So its a 1-1 relationship. Someone told me that its a 1-many relationship which would have broken all of my API RFC<http://www.mediawiki.org/wiki/Requests_for_comment/Wikidata_API>ideas.
The only remaining confusing thing - if "item" entity has a Q number, what would the "query" entity prefix be? :)) On Wed, Mar 6, 2013 at 9:50 AM, Denny Vrandečić < denny.vrande...@wikimedia.de> wrote: > Yes, every Wikidata page is about one and exactly one entity. There cannot > be two entities on one page. > > "Bonny and Clyde" is one entity, designing the pair of people. > > "Bonny" and "Clyde" each might also be one entity each, and there could be > relevant connections between the three entities "Bonny", "Clyde", and > "Bonny and Clyde". > > > > > 2013/3/6 Yuri Astrakhan <yuriastrak...@gmail.com> > >> Sk!d, of course if you ask for multiple items, you get multiple items. My >> question is the difference between MediaWiki concept of a "page", and the >> wikidata concept of an entity, specifically relating to items and >> properties (not queries). Are these concepts interchangeable? Is >> one MediaWiki page the same as one wikidata item, and have one-to-one >> mapping? >> >> >> On Wed, Mar 6, 2013 at 9:41 AM, swuensch <swuen...@gmail.com> wrote: >> >>> It is wbgetentitie*s* requests like: >>> https://www.wikidata.org/w/api.php?action=wbgetentities&ids=Q219937|Q42&format=jsonfmgive >>> you two entities Q219937 and Q42. >>> >>> Sk!d >>> >>> On Wed, Mar 6, 2013 at 3:35 PM, Yuri Astrakhan >>> <yuriastrak...@gmail.com>wrote: >>> >>>> During an IRC discussion, I was told that a page in namespace 0 like >>>> Q219937 <http://www.wikidata.org/wiki/Q219937> does not necessarily >>>> have a one-to-one relationship with an entity like "Bonnie and Clyde". >>>> >>>> wbgetentities<http://www.wikidata.org/w/api.php?action=wbgetentities&ids=Q219937&format=jsonfm> >>>> API >>>> call gives this: >>>> >>>> "entities": { >>>> "q219937": { >>>> "pageid": 214789, >>>> "ns": 0, >>>> "title": "Q219937", >>>> "lastrevid": 7969610, >>>> "modified": "2013-02-27T09:17:25Z", >>>> "id": "q219937", >>>> "type": "item", >>>> "aliases": { >>>> ...... >>>> >>>> How is it possible to have more than one entity in one wiki page >>>> titled Q219937, if the entity id is the same as page title? In what cases >>>> would it be used? Is that a needed extra complexity? >>>> >>>> In the case of Bonnie and Clyde (one wikipage in language A vs two >>>> wikipages in B), wikidata can have three entities with links to static >>>> redirects, apparently solving the need of one-to-many. >>>> >>>> I am only considering item entities (ns:0), since query pages will >>>> obviously have more than one entity associated with them. >>>> >>>> Thanks! >>>> >>>> _______________________________________________ >>>> Wikidata-l mailing list >>>> Wikidata-l@lists.wikimedia.org >>>> https://lists.wikimedia.org/mailman/listinfo/wikidata-l >>>> >>>> >>> >>> >>> -- >>> *Severin Wünsch* >>> >>> _______________________________________________ >>> 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 >> >> > > > -- > Project director Wikidata > Wikimedia Deutschland e.V. | Obentrautstr. 72 | 10963 Berlin > Tel. +49-30-219 158 26-0 | http://wikimedia.de > > Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e.V. > Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter > der Nummer 23855 B. Als gemeinnützig anerkannt durch das Finanzamt für > Körperschaften I Berlin, Steuernummer 27/681/51985. > > _______________________________________________ > Wikidata-l mailing list > Wikidata-l@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata-l > >
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