Property talk:P2031

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work period (start)
start of period during which a person or group flourished (fl. = "floruit") in their professional activity

Description	period during which a person flourished (fl. = "floruit") in their professional activity
Represents	work period (Q55579539)
Data type	Point in time
Template parameter	"workperiod" in c:template:creator
Domain	According to this template: persons (including pseudonyms, house names etc.) According to statements in the property: human (Q5), group of humans (Q16334295), fictional human (Q15632617), fictional humanoid (Q28020127), fictional character (Q95074), VTuber (Q55155641) or group of fictional characters (Q14514600) When possible, data should only be stored as statements
Allowed values	any date (note: this should be moved to the property statements)
Example	According to this template: Vincent van Gogh (Q5582) => circa 1880 According to statements in the property: Vincent van Gogh (Q5582) → 1880 Basshunter (Q383541) → 1998 Carlson, Eley, and Grevstad (Q99206945) → 1950 When possible, data should only be stored as statements
Source	eg Commons:Creator:Vincent van Gogh, "fl." in biographies, VIAF, museum sites, etc (note: this information should be moved to a property statement; use property source website for the property (P1896))
Tracking: usage	Category:Pages using Wikidata property P2031 (Q38537952)
<complementary property>	work period (end) (P2032)
See also	floruit (P1317), work location (P937)
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 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 Future dates Dates in Gregorian calendar before 1582 Dates before year 1 (Help:Dates#Years BC) Date on January 1 (Help:Dates#January 1 as 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/P2031 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 342,723 Main statement 342,350 99.9% of uses Qualifier 302 <0.1% of uses Reference 71 <0.1% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

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/P2031#Entity types

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/P2031#Scope, SPARQL

Qualifiers “sourcing circumstances (P1480), subject has role (P2868), refine date (P4241), latest date (P1326), earliest date (P1319), age of subject at event (P3629), location (P276), occupation (P106), statement is subject of (P805), nature of statement (P5102), applies to part (P518), genre (P136), reason for deprecated rank (P2241), significant event (P793), object of statement has role (P3831), reason for preferred rank (P7452), applies to work (P10663), sport (P641), field of work (P101)”: this property should be used only with the listed qualifiers. (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/P2031#allowed qualifiers, SPARQL

Type “human (Q5), group of humans (Q16334295), fictional human (Q15632617), fictional humanoid (Q28020127), fictional character (Q95074), VTuber (Q55155641), group of fictional characters (Q14514600)”: item must contain property “instance of (P31), subclass of (P279)” with classes “human (Q5), group of humans (Q16334295), fictional human (Q15632617), fictional humanoid (Q28020127), fictional character (Q95074), VTuber (Q55155641), group of fictional characters (Q14514600)” 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/P2031#Type Q5, Q16334295, Q15632617, Q28020127, Q95074, Q55155641, Q14514600, SPARQL

Difference with “date of birth (P569)” within range [0, 150]: the difference with property “date of birth (P569)” should be in the range from “0” to “150”. (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/P2031#Diff within range

Difference with “date of death (P570)” within range [-150, 0]: the difference with property “date of death (P570)” should be in the range from “-150” to “0”. (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/P2031#Diff within range

This property is being used by: ru:Шаблон:Кинематографист, ru:Шаблон:Музыкант, ru:Шаблон:Писатель, ru:Шаблон:Театральный деятель, ru:Шаблон:Цирковой деятель ru:Шаблон:Wikidata/activity ba:Ҡалып:Wikidata/activity be:Шаблон:Wikidata/activity, be:Шаблон:Велагоншчык el:Πρότυπο:Πληροφορίες προσώπου, el:Πρότυπο:Πληροφορίες προσώπου/πρόχειρο fr:Modèle:Infobox Gymnaste, fr:Modèle:Infobox Musique (artiste)/Bac à sable, fr:Modèle:Infobox Musique2 (artiste) hu:Sablon:Festő infobox, hu:Sablon:Személy infobox/Festő ky:Калып:Wikidata/activity, ky:Калып:Викимаалымат/activity tg:Шаблон:Wikidata/activity tt:Калып:Wikidata/activity, tt:Калып:Язучы, tt:Калып:Yazuçı uk:Шаблон:Wikidata/activity, uk:Шаблон:Музикант, uk:Шаблон:Письменник, uk:Шаблон:Актор, uk:Шаблон:Актор/пісочниця, uk:Шаблон:Художник, uk:Шаблон:Автор Наш Формат, uk:Шаблон:Особа, uk:Шаблон:Комік, uk:Шаблон:Музичний колектив, uk:Шаблон:Скульптор/пісочниця, uk:Шаблон:Художник/пісочниця xmf:თარგი:ინფოდაფა კინემატოგრაფისტი hy:Կաղապար:Տեղեկաքարտ Ավիաընկերություն ru:Шаблон:Рестлер ka:თარგი:Wikidata/p2031 ru:Шаблон:Велогонщик be-x-old:Шаблён:Музычны гурт, be-x-old:Шаблён:Музыка, be-x-old:Шаблён:Пісьменьнік, be-x-old:Шаблён:Тэнісіст ru:Шаблон:Саночник it:Template:Azienda az:Şablon:İdmançı, az:Şablon:Qatil, az:Şablon:Hərbi xadim, az:Şablon:Kino sənətçisi, az:Şablon:Musiqiçi, az:Şablon:Siyasətçi, az:Şablon:Teatr xadimi, az:Şablon:Wikidata/p2031, az:Şablon:Yazıçı, az:Şablon:Yutuber, az:Şablon:Şəxs, az:Şablon:Gimnast2, az:Şablon:Hərbi xadim2, az:Şablon:Gimnast, az:Şablon:Mədən, az:Şablon:Şəxs2, az:Şablon:Cinayətkar, az:Şablon:Məşhur heyvan nn:Mal:Infoboks musikkartist, nn:Mal:Infoboks skodespelar ca:Plantilla:Filera llista persona-WD commons:Template:Wikidata Infobox/core cy:Nodyn:Wikidata Infobox es:Plantilla:Wikidata Infobox, es:Plantilla:Ficha de aerolínea id:Templat:Wikidata infobox, id:Templat:Kotak info Wikidata/inti mw:Template:Wikidata Infobox/core mr:साचा:विकिडाटा माहितीचौकट/core, mr:साचा:विकिडेटा माहितीचौकट/core sa:फलकम्:Wikidata Infobox ur:سانچہ:خانہ معلومات ویکی ڈیٹا/کور, ur:سانچہ:Wikidata Infobox/core q:fr:Modèle:Wikidata Infobox/core de:Vorlage:Wikidata Infobox/core gu:ઢાંચો:Wikidata Infobox/core ta:வார்ப்புரு:Wikidata Infobox/core hi:साँचा:Wikidata Infobox/core sv:Mall:Wikidata Infobox/core s:zh:Template:Wikidata Infobox/core eo:Ŝablono:Informkestero aktoro, eo:Ŝablono:Informkestero verkisto, eo:Ŝablono:Informkesto reganto, eo:Ŝablono:Informkesto kleriko, eo:Ŝablono:Informkesto gravulo ckb:داڕێژە:Wikidata Infobox/core pt:Predefinição:Wikidata Infobox/core vec:Modèl:Infobox de Personajo, vec:Modeło:Infobox de Cardenałe, vec:Modeło:Infobox de Personajo, vec:Modeło:Infobox de Sportivo he:תבנית:אישיות משחק, he:תבנית:אמן, he:תבנית:מוזיקאי, he:תבנית:אדריכל, he:תבנית:אישיות, he:תבנית:אישיות תקשורת, he:תבנית:מגלה ארצות, he:תבנית:משפטן, he:תבנית:סופר ku:Şablon:Wikidata Infobox/core mnw:ထာမ်ပလိက်:Wikidata Infobox/core nl:Sjabloon:Infobox artiest Wikidata, nl:Sjabloon:Infobox band Wikidata, nl:Sjabloon:Infobox persoon Wikidata zh-yue:Template:航空公司明細, zh-yue:Template:維基數據足球員明細, zh-yue:Template:維基數據乒乓波運動員明細, zh-yue:Template:維基數據劍擊員明細, zh-yue:Template:維基數據柔道運動員明細, zh-yue:Template:維基數據游水運動員明細, zh-yue:Template:維基數據網球員明細 s:bn:টেমপ্লেট:উইকিউপাত্ত তথ্যছক/মূল d:Template:Wikidata Infobox/core uz:Andoza:Tennischi bilgiqutisi no:Mal:Wikidata Infobox/core s:ban:Mal:Wikidata Infobox/core ban:Mal:Wikidata Infobox/core gag:Şablon:Musiqiçi b:bg:Шаблон:ТВ продукция lv:Veidne:Wikidata Infobox/core roa-tara:Template:Aziende voy:shn:ထႅမ်းပလဵတ်ႉ:Wikidata Infobox s:hi:साँचा:Wikidata Infobox/core be-tarask:Шаблён:Музычны гурт, be-tarask:Шаблён:Пісьменьнік, be-tarask:Шаблён:Тэнісіст, be-tarask:Шаблён:Гоначнік tly:Numunə:Şəxs, tly:Numunə:Šaxsiyat, tly:Numunə:Mandango, tly:Numunə:Šəxsijət yue:Template:維基數據乒乓波運動員明細, yue:Template:維基數據劍擊員明細, yue:Template:維基數據柔道運動員明細, yue:Template:維基數據游水運動員明細, yue:Template:維基數據網球員明細, yue:Template:維基數據足球員明細, yue:Template:航空公司明細, yue:Template:維基數據泳手明細 rue:Шаблона:Писатель ln:Modèle:Infobox Gymnaste ce:Кеп:Вилиспет хахкархо oc:Modèl:Infobox Persona ps:کينډۍ:Wikidata Infobox/core Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

This property should be a qualifier

This property should be a qualifier, because any person can have more than one occupation in their lifetime. -Theklan (talk) 07:32, 2 December 2021 (UTC)

Came to this discussion following a similar issue with music bands such as Westlife (Q151241). I agree with Theklan, but haven't found documentation for the right qualifier for that. Should it be series ordinal (P1545)? Eran (talk) 09:54, 1 March 2024 (UTC)

Jacob Vrel (Q1367776)

I do not see the constraint violation with date of death Oursana (talk) 11:49, 15 January 2024 (UTC)

There was problem with uncertain dates. I've fixed it somehow. --Infovarius (talk) 19:31, 16 January 2024 (UTC)