Property talk:P4927

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Invaluable.com person ID
identifier for an artist or other person at Invaluable.com

Associated item	Invaluable (Q50813730)
Applicable "stated in" value	Invaluable (Q50813730)
Data type	External identifier
Domain	human (Q5) or organization (Q43229)
Allowed values	[0-9a-zA-Z]{10}
Example	Claude Monet (Q296) → p3lmaucaat Adam Sherriff Scott (Q50281166) → x3f7k4tvsj Antony Gormley (Q360371) → pqw4mb3ppz Henry Lerolle (Q2625979) → xy9xpo04fe
Source	https://www.invaluable.com/features/selectArtist.cfm
Formatter URL	https://www.invaluable.com/artist/$1 https://www.invaluable.com/artist/-$1/sold-at-auction-prices/
Tracking: usage	Category:Pages using Wikidata property P4927 (Q50376898)
See also	Artnet artist ID (P3782), Drouot artist ID (P5309), Sotheby's person ID (P6124), MutualArt artist ID (P6578)
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 Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Mix'n'match (Report) Database reports/Constraint violations/P4927 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 62,790 Main statement 56,953 90.7% of uses Qualifier 5 <0.1% of uses Reference 5,832 9.3% of uses
Search for values

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

Type “human (Q5), organization (Q43229)”: item must contain property “instance of (P31)” with classes “human (Q5), organization (Q43229)” 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/P4927#Type Q5, Q43229, SPARQL

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). Known exceptions: Charles Defeo (Q52158614)
List of violations of this constraint: Database reports/Constraint violations/P4927#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (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/P4927#Unique value, SPARQL (every item), SPARQL (by value)

Format “[0-9a-zA-Z]{10}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4927#Format, 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/P4927#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (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/P4927#Scope, SPARQL

Pattern ^([0-9a-z]+-)+([0-9a-z]{10})/?$ will be automatically replaced to \2. Testing: TODO list

Info from Invaluable

I am in contact with Invaluable, and they have kindly provided some additional info:

• Two new formatter URLs, which I have added (I've marked the old one as deprecated)
• Their IDs are, canonically, lower case, though other forms will work. I'll ask for a bot to convert the values we have to date.

They're also going to be providing some data dumps, details later. Andy Mabbett (Pigsonthewing); Talk to Andy; Andy's edits 18:56, 20 March 2018 (UTC)

Do you think that is necessary the second URL? In addition, it has two blank spaces. --Gerwoman (talk) 19:25, 20 March 2018 (UTC)

I've fixed the spaces, thank you. Apparently, that is the form that shows up most in Google results, but I'm ambivalent about whether we show it or not. Pigsonthewing-bot (talk) 20:02, 20 March 2018 (UTC)

Interesting. I never use that website, mostly because the metadata is so bad I can't do anything with it. If it turns out to be useful then I will be pleasantly surprised. Jane023 (talk) 21:00, 20 March 2018 (UTC)