Property talk:P3390

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NLB authority ID
Belarus library catalog code

Applicable "stated in" value	Electronic catalog of libraries of Belarus (Q27927503)
Data type	External identifier
Corresponding template	no label (Q120395539)
Domain	entity (Q35120) (note: this should be moved to the property statements)
Allowed values	[A-Z]+-[a-z]*\d+
Example	Biscay (Q93366) → NLB-ar2443646 Ivan Shatsila (Q4520868) → NLB-ar2257626
Source	http://unicat.nlb.by/opac/proffy.html?p=auth
Formatter URL	http://unicat.nlb.by/opac/pls/dict.prn_ref?tu=r&tq=v0&name_view=va_all&a001=BY-$1&strq=l_siz=20 http://unicat.nlb.by/opac/pls/dict.prn_marc?a001=BY-$1
Related to country	Belarus (Q184) (See 27 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/P3390 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,793 Main statement 1,774 98.9% of uses Qualifier 2 0.1% of uses Reference 17 0.9% of uses
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Format “[A-Z]+-[a-z]*\d+”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P3390#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/P3390#Entity types

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/P3390#Scope, hourly updated report, 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/P3390#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/P3390#Single value, SPARQL

Conflicts with “instance of (P31): Wikimedia disambiguation page (Q4167410), Wikimedia category (Q4167836), Wikimedia list article (Q13406463)”: this property must not be used with the listed properties and values. (Help)

List of violations of this constraint: Database reports/Constraint violations/P3390#Conflicts with P31, hourly updated report, 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).
List of violations of this constraint: Database reports/Constraint violations/P3390#Item P31, search, SPARQL