Property talk:P1093

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gross tonnage
unitless index related to a ship's overall internal volume

Description	Gross tonnage (GT) is a unitless index related to a ship's overall internal volume.
Represents	gross tonnage (Q2719498)
Data type	Quantity
Domain	According to this template: Ships - ship (Q11446) According to statements in the property: watercraft (Q1229765) or watercraft type (Q16335899) When possible, data should only be stored as statements
Allowed values	0 ≤ 𝓧 ≤ 300,000
Allowed units	not applicable, gross register tonnage (Q752079) or Builder's Old Measurement (Q1394540)
Example	Emma Mærsk (Q477173) → 170,794 Titanic (Q25173) → 46,329
Robot and gadget jobs	DeltaBot does the following jobs: Remove units
See also	net tonnage (P2790)
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 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 Minimum and maximum Items with highest numeric value Items with lowest numeric value User:Laboramus/Units/P1093 (Units used) Database reports/Constraint violations/P1093 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 84,441 Main statement 84,439 >99.9% of uses Qualifier 2 <0.1% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “watercraft (Q1229765), watercraft type (Q16335899)”: item must contain property “instance of (P31)” with classes “watercraft (Q1229765), watercraft type (Q16335899)” 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/P1093#Type Q1229765, Q16335899, SPARQL

Range from “0” to “300000”: values should be in the range from “0” to “300000”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: Pioneering Spirit (Q664284)
List of violations of this constraint: Database reports/Constraint violations/P1093#Range

Units: “novalue, gross register tonnage (Q752079), Builder's Old Measurement (Q1394540)”: value unit must be one of listed. (Help)

List of violations of this constraint: Database reports/Constraint violations/P1093#Units, hourly updated report

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P1093#Scope, hourly updated report, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (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/P1093#Entity types

This property is being used by: commons:Template:Wikidata Infobox, commons:Template:Wikidata Infobox/core gu:ઢાંચો:Wikidata Infobox, gu:ઢાંચો:Wikidata Infobox/core pt:Predefinição:Info/Navio/Testes, pt:Predefinição:Wikidata Infobox/core cy:Nodyn:Wikidata Infobox es:Plantilla: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 ca:Plantilla:Infotaula vaixell/base q:fr:Modèle:Wikidata Infobox/core de:Vorlage:Wikidata Infobox/core ta:வார்ப்புரு:Wikidata Infobox/core hi:साँचा:Wikidata Infobox/core sv:Mall:Wikidata Infobox/core s:zh:Template:Wikidata Infobox/core ckb:داڕێژە:Wikidata Infobox/core ku:Şablon:Wikidata Infobox/core mnw:ထာမ်ပလိက်:Wikidata Infobox/core d:Template:Wikidata Infobox/core no:Mal:Wikidata Infobox/core s:ban:Mal:Wikidata Infobox/core ban:Mal:Wikidata Infobox/core lv:Veidne:Wikidata Infobox/core voy:shn:ထႅမ်းပလဵတ်ႉ:Wikidata Infobox s:hi:साँचा:Wikidata Infobox/core Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Explanation

See the Wikipedia article for an explanation, and specfically GT (not the same as GRT): Gross tonnage. Danrok (talk) 13:43, 31 January 2014 (UTC) Edited. Danrok (talk) 16:55, 31 January 2014 (UTC)

@Danrok: But in that case you changed the meaning of the property and I don't think we can do that. GRT is a volume (1 BRT = 100 Kubikfuß = 2,8316846592 m³) and would therefore have to be a datatype that can handle volume conversions. GT is unitless because the volume is canceled out. I think we should keep this as GT and make a separate GRT property once the datatype is available. --Tobias1984 (talk) 16:50, 31 January 2014 (UTC)

OK, no problem. Danrok (talk) 16:54, 31 January 2014 (UTC)

@Danrok: Thanks. Hopefully we can get that datatype soon as it is also an interesting measure. --Tobias1984 (talk) 17:01, 31 January 2014 (UTC)