Property talk:P8758

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Persée article ID
identifier for an article on Persée

Associated item	Persée (Q252430)
Applicable "stated in" value	Persée (Q252430)
Data type	External identifier
Domain	scholarly article (Q13442814)
Allowed values	[a-z0-9]{3,5}_\d{4}-[\dx]{4}_[1-2]\d{3}_[a-z]{3}_\d*_\d*(?:_\d*(?:_t\d{1,2}_\d*_\d*_\d*)?)?
Example	1960 : vue d'Espagne, la Nouvelle Vague est fasciste, ou la Nouvelle Vague selon Jean Parvulesco (Q100715704) → 1895_0769-0959_1998_num_26_1_1376 Gestion de l'hiver et développement rural : le Mézenc et le Plateau ardéchois (Q100715714) → rga_0035-1121_1989_num_77_4_2758 La vie militaire à Saint-Brieuc sous l'Ancien Régime et au début de la Révolution (Q100715708) → abpo_0003-391x_1919_num_34_2_1520
Source	https://www.persee.fr/
Formatter URL	https://www.persee.fr/doc/$1
Related to country	France (Q142) (See 642 others)
See also	Persée author ID (P2732), Persée journal ID (P2733)
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/P8758 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 12,051 Main statement 11,727 out of 1,177,160 (1% complete) 97.3% of uses Qualifier 4 <0.1% of uses Reference 320 2.7% 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/P8758#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/P8758#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value)

Type “scholarly article (Q13442814)”: item must contain property “instance of (P31)” with classes “scholarly article (Q13442814)” 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/P8758#Type Q13442814, SPARQL

Format “[a-z0-9]{3,5}_\d{4}-[\dx]{4}_[1-2]\d{3}_[a-z]{3}_\d*_\d*(?:_\d*(?:_t\d{1,2}_\d*_\d*_\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/P8758#Format, SPARQL

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/P8758#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/P8758#Entity types

Violation de contraintes

Bonjour @Thierry Caro, Pamputt:,

Je viens de créer Q105698070 qui utilise Persée article ID (P8758) et j'ai une violation de contraintes de format. Du coup, je regarde de plus près et je me rends que le problème vient de la contrainte qui est trop stricte : actuellement 22 des 26 utilisations la violent alors que tout ces liens me semblent corrects.

La regex actuelle [a-z0-9]{3,4}_\d{4}-[\dx]{4}_[1-2]\d{3}_num_[1-9]\d_[1-9]_[1-9]\d* ne correspond qu'au début de mon identifiant abpo_0003-391x_1957_num_64_4_2034 et oubli la fin _t1_0505_0000_1 mais si je retire cette fin la page n'existe pas. Est-ce un oubli ? un cas particulier ? autre chose ?

Cdlt, VIGNERON (talk) 09:50, 27 February 2021 (UTC)

Personnellement, je ne sais pas. C'est sans doute une erreur dans l'écriture de la contrainte, oui. Thierry Caro (talk) 15:54, 27 February 2021 (UTC)

@VIGNERON: Just so you know, I have just changed the regex constraint to [a-z0-9]{3,4}_\d{4}-[\dx]{4}_[1-2]\d{3}_num_\d*_\d*_\d*(?:_t\d_\d*_\d*_\d*)?, which should now work with longer article IDs such as that of the article you mentioned. (At the same time, I fixed a separate problem I noticed myself with volume numbers, even without the _tn_ part; [1-9]\d doesn't allow "1" nor "100"). Monster Iestyn (talk) 19:33, 4 December 2021 (UTC)

@Monster Iestyn: thanks a lot. It seems to be all good now. Cheers, VIGNERON (talk) 20:41, 4 December 2021 (UTC)

Hi Monster Iestyn, for info, I had a similar problem for Q116730783 where the identifier "antiq_0770-2817_1983_num_52_1_2106_t1_0578_0000_1" violated the format constraint... I changed the beggining of the regex to [a-z0-9]{3,4} and it's ok now. That said, we should take a deeper look at this constraint to make sure we don't capture again correct identifiers. Cheers, VIGNERON en résidence (talk) 12:55, 9 February 2023 (UTC)

@VIGNERON en résidence: Thanks for letting me know. I think that probably fixed some of the other article items listed at Wikidata:Database reports/Constraint violations/P8758#"Format" violations, but maybe not other ones... For instance I just noticed that the value "reg_0035-2039_2013_num_126_2_8149_t16_0660_0000_2" at Q102104622 doesn't fit the format, I'll try to fix that now. Monster Iestyn (talk) 13:34, 9 February 2023 (UTC)

I've now changed the regex constraint format to [a-z0-9]{3,5}_\d{4}-[\dx]{4}_[1-2]\d{3}_[a-z]{3}_\d*_\d*(?:_\d*(?:_t\d{1,2}_\d*_\d*_\d*)?)?: [a-z]{3} replaces num (because some values have sup or hos instead), t\d{1,2} allows for up to two digits after t, and finally items such as Q105947634 (value "galip_0072-0100_1972_sup_7_1") have only two numbers after sup, etc., so I have made the third number optional. Monster Iestyn (talk) 13:50, 9 February 2023 (UTC)