Property talk:P8500

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Vietnamese middle name
middle name of a Vietnamese person; use P735 qualified by P1545 for the middle name of a partially westernized name

Represents	Vietnamese middle name (Q108486313)
Data type	Item
Domain	human (Q5)
Example	Trần Xuân Soạn (Q10829653) → Xuân (Q97164794) Nguyen Thi Minh Khai (Q7022971) → Thị (Q2654762)
Related to country	Vietnam (Q881) (See 7 others)
See also	given name (P735), family name (P734), Scandinavian middle family name (P6978), Philippine middle name (P12330)
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 By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers 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 Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Database reports/Constraint violations/P8500 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,576 Main statement 1,574 99.9% of uses Qualifier 2 0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Value type “given name (Q202444), Vietnamese middle name (Q108486313)”: This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value given name (Q202444), Vietnamese middle name (Q108486313) (or a subclass thereof). (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/P8500#Value type Q202444, Q108486313, SPARQL

Type “human (Q5)”: item must contain property “instance of (P31)” with classes “human (Q5)” 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/P8500#Type Q5, SPARQL

Item “family name (P734)”: Items with this property should also have “family name (P734)”. (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/P8500#Item P734, search, SPARQL

Scope is as main value (Q54828448): 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/P8500#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/P8500#Entity types

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/P8500#Single value, SPARQL

Label required in languages: vi: Entities using this property should have labels in one of the following languages: vi (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/P8500#Label in 'vi' language, search, SPARQL

How to deal a person name with more than 5 words?

I wonder how to deal with the name of a person has more than 5 words. For example,

• Trần Xuân Soạn, the middle name will be "Xuân"
• Nguyen Thi Minh Khai, the middle name will be "Thị"
• Nguyen Thi Minh Hong Khai, the middle name will be ???

 A l p h a m a  04:12, 2 September 2021 (UTC)

@Mxn: do you have an answer? @Alphama: is it only a theoretical question or could you point to a real example on Wikidata? Pamputt (talk) 21:36, 8 September 2021 (UTC)

@Alphama, Pamputt: Nam Em (Q58888056) (born Nguyễn Thị Lệ Nam Em) is a very rare example of a Vietnamese person with five names. In this case, Thị (Q2654762) is most likely the middle name, given that it is one of the most common female middle names. We can't quite rule out the possibility that someone else might have a double family name, middle name, and two given names, but I'd imagine that to be an even rarer situation. – Minh Nguyễn ^💬 22:37, 8 September 2021 (UTC)

Long names in Vietnamese are not too rare now, we should be ready to handle these cases. In the case of 5 names, Nguyen Thi Minh Hong Khai, I wonder we should take "Thi" or "Thi Minh Hong" to be the middle name?  A l p h a m a  02:02, 24 October 2021 (UTC)

single-value constraint

Hello. Vietnamese Buddhist monks have a name at birth and a religious name, generally with different middle names. There are probably other cases of people with several middle names (because they use diferent names over the course of their life), so I think the "single-value constraint" should be dropped. BrightRaven (talk) 11:16, 23 May 2022 (UTC)

Or maybe allow to use the value with a qualifier when there are several values, such as applies to part (P518) (or another one). Pamputt (talk) 15:34, 23 May 2022 (UTC)

@BrightRaven @Pamputt: I added separators to the constraint so you can suppress the warning by adding start time (P580) and end time (P582) qualifiers. Minh Nguyễn ^💬 21:34, 7 September 2022 (UTC)