Property talk:P1748

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NCI Thesaurus ID
identifier in the United States National Cancer Institute Thesaurus, vocabulary for clinical care, translational and basic research, etc

Applicable "stated in" value	NCI Thesaurus (Q19404626)
Data type	String
Domain	Diseases (note: this should be moved to the property statements)
Allowed values	C\d{3,7}
Example	Cornelia de Lange syndrome (Q1133289) → C75016 (RDF) bone marrow (Q546523) → C12431 (RDF) chromatolysis (Q5113753) → C120871 (RDF)
Source	http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&version=14.10d&code=C75016
Formatter URL	https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI Thesaurus&code=$1
Robot and gadget jobs	Should or are bots or gadgets doing any task with this? (Checking other properties for consistency, collecting data, etc.)
Tracking: usage	Category:Pages using Wikidata property P1748 (Q47461900)
Related to country	United States of America (Q30) (See 771 others)
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 Database reports/Constraint violations/P1748 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 12,573 Main statement 12,565 >99.9% of uses Qualifier 4 <0.1% of uses Reference 4 <0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Format “C\d{3,7}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P1748#Format, hourly updated report, 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).
List of violations of this constraint: Database reports/Constraint violations/P1748#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/P1748#Unique value, SPARQL (every item), SPARQL (by value)

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/P1748#Scope, 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/P1748#Entity types

This property is being used by: hy:Կաղապար:Տեղեկաքարտ Հիվանդություն, hy:Կաղապար:Տեղեկաքարտ Նեյրոն, hy:Կաղապար:Տեղեկաքարտ Հիվանդություն և հիվանդագին վիճակներ cy:Nodyn:Cyffuriau Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Data type

• Shouldn't the data type be external-id? This seems like an oversight, as the proposal seems to be clearly about an (external) identifier. Lowren160 (talk) 08:15, 17 July 2017 (UTC)

WikiProject Properties has more than 50 participants and couldn't be pinged. Please post on the WikiProject's talk page instead.

Ah, I see WD:Identifier migration now. Lowren160 (talk) 08:28, 17 July 2017 (UTC)

• I don't think so. Pigsonthewing seems to be correct in his initial review. NCI Thesaurus ID is better to be treated as a pure Code string to be used across multiple Value Sets that NCI maintains mappings for. In other words, the NCI Thesaurus ID Code string can be queried across multiple NCI URLs (sub databases) not only the NCIthesaurus (NCIt) database. And it looks like we already created a property to hold the CUI Concept Unique Identifier that NCImetathesaurus (NCIm) uses as the top level identifier in its grand terminology database which holds complete mappings via &type=all. Thadguidry (talk) 17:26, 6 August 2018 (UTC)

• I think this wasn't converted because of the many single value constraint violations. However, looking at Wikidata:Database_reports/Constraint_violations/P1748#"Unique_value"_violations, these seem to come mainly from different sources mapping the same item to the same value differently. Obviously, if the property isn't used with "mapping relation type"=exact map, it's also less likely to be using "external-id" datatype.
  --- Jura 17:37, 6 August 2018 (UTC)