Property talk:P7791

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NTIS accession number
identifier in the U.S. National Technical Information Service database

Associated item	National Technical Information Service (Q6978856)
Data type	External identifier
Domain	scholarly article (Q13442814) or publication (Q732577)
Allowed values	[A-Z]+\d+[A-Z\d]*
Example	Evaluation of law enforcement officers' potential occupational exposure to illicit drugs. (Q66475689) → PB2019100176 Mortality among U.S. workers employed in the production of chemicals contaminated with 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) (Q26379122) → PB91125971 Metallurgical progress report no. 23, April 1-June 30, 1964 (Q26375972) → DE85002849
Source	https://ntrl.ntis.gov/NTRL/
Formatter URL	https://ntrl.ntis.gov/NTRL/dashboard/searchResults/titleDetail/$1.xhtml
Related to country	United States of America (Q30) (See 762 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 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 Database reports/Constraint violations/P7791 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 18,289 Main statement 18,275 >99.9% of uses Qualifier 3 <0.1% of uses Reference 11 <0.1% of uses
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Type “scholarly article (Q13442814), publication (Q732577)”: item must contain property “instance of (P31)” with classes “scholarly article (Q13442814), publication (Q732577)” 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/P7791#Type Q13442814, Q732577, 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/P7791#Unique value, 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/P7791#Single value, SPARQL

Format “[A-Z]+\d+[A-Z\d]*”: 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: The Remote Working Level Monitor (Q26365003)
List of violations of this constraint: Database reports/Constraint violations/P7791#Format, 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/P7791#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/P7791#Scope, SPARQL