Property talk:P3074

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Grace's Guide ID
identifier of a person or organisation on Grace's Guide

Associated item	Grace's Guide (Q21644420)
Applicable "stated in" value	Grace's Guide (Q21644420)
Data type	External identifier
Domain	general (note: this should be moved to the property statements)
Allowed values	^[^ ]+$
Example	Isambard Kingdom Brunel (Q207380) → Isambard_Kingdom_Brunel Company of Cutlers in Hallamshire (Q617252) → Cutlers_Co
Source	https://www.gracesguide.co.uk/
Formatter URL	http://www.gracesguide.co.uk/$1
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 external identifier 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 Mix'n'match (Report) Database reports/Constraint violations/P3074 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 10,327 Main statement 9,583 92.8% of uses Qualifier 2 <0.1% of uses Reference 742 7.2% of uses
Search for values

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

Distinct values: this property likely contains a value that is different from all other items. (Help)

List of violations of this constraint: Database reports/Constraint violations/P3074#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value)

Single value: this property generally contains a single value. (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/P3074#Single value, SPARQL

Format “[^ ]+”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P3074#Format, hourly updated report, SPARQL

Format “[A-Z][a-zA-Z_,.-]*(\(\d{4}[–-]\d{4}\))?”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: John Mitchell (Q52993168), François Cavé (Q3084199), Ernest Benn Ltd. (Q5392786), Grace's Guide (Q21644420)
List of violations of this constraint: Database reports/Constraint violations/P3074#Format, SPARQL

Item “instance of (P31)”: Items with this property should also have “instance of (P31)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: mechanics' institute (Q6804572)
List of violations of this constraint: Database reports/Constraint violations/P3074#Item P31, search, SPARQL

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P3074#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/P3074#Entity types

Format

Links with spaces (which are converted to '+') do not work, so I added a formatter regexp to avoid spaces, and changed all the Mix'n'match IDs to underscores. Also changing the few statements we have on Wikidata accordingly. --Magnus Manske (talk) 13:46, 19 February 2018 (UTC)