Property talk:P193

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main building contractor
the main organization (or person) responsible for construction of this structure or building

Description	The main building contractor for this building or structure
Represents	general contractor (Q289612), construction business (Q811930)
Data type	Item
Template parameter	main_contractor in en:Template:Infobox building
Domain	According to this template: architectural structure (Q811979) According to statements in the property: architectural structure (Q811979) When possible, data should only be stored as statements
Allowed values	organization (Q43229), more specifically general contractor (Q289612) (note: this should be moved to the property statements)
Example	The Shard (Q18536) → Mace (Q5284447) Eiffel Tower (Q243) → Gustave Eiffel (Q20882)
Tracking: same	no label (Q55283159)
Tracking: differences	no label (Q55283161)
Tracking: usage	Category:Pages using Wikidata property P193 (Q23909041)
Tracking: local yes, WD no	no label (Q55283160)
See also	architect (P84), manufacturer (P176)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P193 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 3,921 Main statement 3,890 99.2% of uses Qualifier 28 0.7% of uses Reference 3 <0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Type “architectural structure (Q811979)”: item must contain property “instance of (P31)” with classes “architectural structure (Q811979)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P193#Type Q811979, SPARQL

Value type “organization (Q43229), general contractor (Q289612), human (Q5)”: This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value organization (Q43229), general contractor (Q289612), human (Q5) (or a subclass thereof). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P193#Value type Q43229, Q289612, Q5, SPARQL

This property is being used by: ru:Шаблон:Стадион ba:Ҡалып:Стадион ce:Кеп:Стадион hy:Կաղապար:Տեղեկաքարտ Մարզադաշտ, hy:Կաղապար:Տեղեկաքարտ Փարոս, hy:Կաղապար:Տեղեկաքարտ Կառույց ro:Format:Infocaseta Clădire, ro:Format:Infocaseta Monument tg:Шаблон:Варзишгоҳ ca:Plantilla:Embassament, ca:Plantilla:Infotaula edifici eu:Txantiloi:Eraikin infotaula automatikoa, eu:Txantiloi:Eraikin infotaula es:Plantilla:Ficha de edificio, es:Plantilla:Ficha de estructura, es:Plantilla:Ficha de estructura/Pruebas, es:Plantilla:Wikidata Infobox, es:Plantilla:Ficha de estructura militar, es:Plantilla:Ficha de parque az:Şablon:Stadion gu:ઢાંચો:Wikidata Infobox, gu:ઢાંચો:Wikidata Infobox/core it:Template:Edificio civile commons:Template:Wikidata Infobox/core cy:Nodyn:Wikidata Infobox id:Templat:Wikidata infobox, id:Templat:Kotak info Wikidata/inti mw:Template:Wikidata Infobox/core mr:साचा:विकिडाटा माहितीचौकट/core, mr:साचा:विकिडेटा माहितीचौकट/core sa:फलकम्:Wikidata Infobox ur:سانچہ:خانہ معلومات ویکی ڈیٹا/کور, ur:سانچہ:Wikidata Infobox/core q:fr:Modèle:Wikidata Infobox/core de:Vorlage:Wikidata Infobox/core ta:வார்ப்புரு:Wikidata Infobox/core hi:साँचा:Wikidata Infobox/core el:Πρότυπο:Κουτί πληροφοριών σταδίου ast:Plantía:Edificiu, ast:Plantía:Monte, ast:Plantía:Edificiu2 hyw:Կաղապար:Տեղեկաքարտ Կառոյց, hyw:Կաղապար:Տեղեկաքարտ Մարզադաշտ sv:Mall:Wikidata Infobox/core vec:Modèl:Edificà çiviłe, vec:Modèl:Edifegà çiviłe, vec:Modèl:Infobox de Edifegà çiviłe, vec:Modeło:Infobox de Edifegà çiviłe, vec:Modeło:Infobox de Infrastrutura s:zh:Template:Wikidata Infobox/core ckb:داڕێژە:Wikidata Infobox/core pt:Predefinição:Wikidata Infobox/core zh:Template:Infobox shopping mall ha:Template:Infobox building incubator:Template:Wp/shi/Infobox building kab:Talɣa:Infobox building ku:Şablon:Wikidata Infobox/core mnw:ထာမ်ပလိက်:Wikidata Infobox/core v:zh:Template:Infobox retail market shi:Talɣa:Infobox building d:Template:Wikidata Infobox/core no:Mal:Wikidata Infobox/core s:ban:Mal:Wikidata Infobox/core ban:Mal:Wikidata Infobox/core ar:قالب:صندوق معلومات مبنى/نواة lv:Veidne:Wikidata Infobox/core zh-yue:Template:Infobox retail market voy:shn:ထႅမ်းပလဵတ်ႉ:Wikidata Infobox s:hi:साँचा:Wikidata Infobox/core yue:Template:Infobox retail market, yue:Template:建築明細 roa-tara:Template:Edificio civile Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Good definition wanted

The property lacks good definition. The property seems to be describing en:General contractor, but there is a major problem in the interlinked of the topic in Wikipedia.

1. German de:Bauherr is not wikidata-linked. It must be the same as the Danish da:Bygherre. A Danish "Bygherre" is an owner that pays for building a house. A "bygherre" can employ an "da:entreprenør".
2. Danish da:Bygherre is wikidata-linked to general contractor (Q289612)
3. general contractor (Q289612) is linked to German de:Generalunternehmer and English en:General contractor. The "General contractor" seems more related to the idea of "entrenenør".
4. German de:Bauherr is linked to French fr:Maîtrise d'ouvrage
5. French fr:Maîtrise d'œuvre is linked to Danish da:entreprenør and German de:Baumeister and English en:General contractor.

In conclussion it seems that

• main building contractor (P193) = general contractor (Q289612) = en:General contractor = de:Generalunternehmer = da:entreprenør = fr:Maîtrise d'œuvre
• de:Bauherr = da:Bygherre = fr:Maîtrise d'ouvrage. There seems to be no wikidata item for this concept. And it is unclear to me what the English word is other than "client".
• I.e, da:Bygherre, sv:Byggherre and others and linked to the wrong concept.
• Dangling: de:Baumeister =? da:bygmester =? sv:Byggmästare
• Wikidata has "Generalbauunternehmer, but German Wikipedia does not. And what is Generalunternehmer compared to de:Baumeister?

— Finn Årup Nielsen (fnielsen) (talk) 21:47, 6 January 2014 (UTC)

I have now attempted a cleanup of Wikidata and interwikilinks. I have also created a new entity construction client (Q15587490) and linked, e.g., fr:Maîtrise d'ouvrage and de:Bauherr. Hopefully this is correct? — Finn Årup Nielsen (fnielsen) (talk) 22:12, 6 January 2014 (UTC)

PFD

Please comment at Wikidata:Properties_for_deletion#manufacturer_.28P176.29_and_main_building_contractor_.28P193.29. --Izno (talk) 11:24, 5 May 2016 (UTC)