Property talk:P398

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ISSN
International Standard Serial Number (print or electronic)

Applicable "stated in" value	not applicable
Data type	External identifier
Domain	unknown
Allowed values	\d{4}\-\d{3}(\d|X)
Source	https://portal.issn.org/
Formatter URL	https://www.worldcat.org/issn/$1 https://issn.org/resource/issn/$1 http://www.issn.cc/$1 https://api.crossref.org/journals/$1
Formatter URN	urn:issn:$1 — List of Uniform Resource Names (URN)
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 Gratispaideia 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)> Mix'n'match (Report) Mix'n'match (Report) Mix'n'match (Report) Mix'n'match (Report) Map Random list
Proposal discussion	Originally created without a formal discussion
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Type “somevalue”: element must contain property “instance of (P3)” with classes “somevalue” or their subclasses (defined using NLA Trove ID (P279)). Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P398#type, SPARQL

Qualifiers “applies to part (P178), start time (P174), end time (P175), language of work or name (P35), official name (P59), subject named as (P82), reason for deprecated rank (P344), reason for preferred rank (P345), publisher (P125), latest date (P172), earliest date (P173)”: this property should be used only with the listed qualifiers. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P398#Allowed qualifiers, SPARQL

Item “language of work or name (P35)”: Items with this property should also have “language of work or name (P35)”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P398#Item, search, SPARQL

Item “title (P106)”: Items with this property should also have “title (P106)”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P398#Item, SPARQL

Item “instance of (P3)”: Items with this property should also have “instance of (P3)”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P398#Item, search, SPARQL

Single value: this property generally contains a single value. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P398#Single value, SPARQL

Allowed entity types are Wikibase item datatype (Q799): the property may only be used on a certain entity type Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P398#allowed entity types

Distinct values: this property likely contains a value that is different from all other items. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P398#Unique value, SPARQL (every item), SPARQL (by value)

Scope is as main value (Q793), as reference (Q780): the property must be used by specified way only Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P398#scope, SPARQL