Property talk:P8239

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MACRIS ID
identifier for a structure or a building in the Massachusetts Cultural Resource Information System database

Associated item	Massachusetts Historical Commission (Q16984257)
Applicable "stated in" value	Massachusetts Cultural Resource Information System (Q94046916)
Data type	External identifier
Domain	geographical feature (Q618123) or fixed construction (Q811430)
Allowed values	[A-Z]{3}\.[A-Z\d]+
Example	Bigelow Carpet Mill (Q4906806) → CLI.L Great Blue Hill Observation Tower (Q61989500) → MLT.929 United States lightship Nantucket (Q2270033) → BOS.9836
Source	http://mhc-macris.net/Towns.aspx
Formatter URL	https://mhc-macris.net/details?mhcid=$1
Related to country	United States of America (Q30) (See 762 others) (Massachusetts (Q771))
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/Complex constraint violations/P8239 Database reports/Constraint violations/P8239 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 810 Main statement 567 out of 222,331 (0% complete) 70% of uses Qualifier 3 0.4% of uses Reference 240 29.6% of uses
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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/P8239#Single value, SPARQL

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/P8239#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value)

Type “geographical feature (Q618123), fixed construction (Q811430)”: item must contain property “instance of (P31)” with classes “geographical feature (Q618123), fixed construction (Q811430)” 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/P8239#Type Q618123, Q811430, SPARQL

Item “country (P17): United States of America (Q30)”: Items with this property should also have “country (P17): United States of America (Q30)”. (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/P8239#Item P17, search, SPARQL

Item “located in the administrative territorial entity (P131)”: Items with this property should also have “located in the administrative territorial entity (P131)”. (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/P8239#Item P131, search, SPARQL

Item “coordinate location (P625)”: Items with this property should also have “coordinate location (P625)”. (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/P8239#Item P625, SPARQL

Format “[A-Z]{3}\.[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).
List of violations of this constraint: Database reports/Constraint violations/P8239#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/P8239#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/P8239#Scope, SPARQL

Items without ID
Items in Massachusetts (Q771) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not MACRIS ID (P8239) (Help)
Violations query: SELECT ?item WHERE { ?item wdt:P131* wd:Q771 . { ?item wdt:P1435 wd:Q19558910 . } UNION { ?item wdt:P1435 wd:Q1129142 . } MINUS { ?item wdt:P8239 [] . } } LIMIT 1000
List of this constraint violations: Database reports/Complex constraint violations/P8239#Items without ID