Wikidata:Property proposal/date of the first one & date of the last one

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date of the first one; date of the latest one[edit]

date of the first one[edit]

Originally proposed at Wikidata:Property proposal/Generic

Descriptionqualifier: when was the first element of quantity appears/took place
Data typePoint in time
Domainqualifier only
Example 1
Example 2
< Novak Djokovic (Q5812) View with Reasonator View with SQID > singles record (P564) View with SQID < 846–176 >
date of the first one (P7124) View with SQID < 20 July 2004 >
date of the latest one (P7125) View with SQID < 27 January 2019 >
point in time (P585) View with SQID < 10 March 2019 >
Example 3
< Minami-ke (Q35191609) View with Reasonator View with SQID > number of episodes (P1113) View with SQID < 13 >
date of the first one (P7124) View with SQID < 7 October 2007 >
date of the latest one (P7125) View with SQID < 30 October 2007 >
point in time (P585) View with SQID < 23 July 2019 >
Example 4
Example 5
< London Underground station (Q14562709) View with Reasonator View with SQID > quantity (P1114) View with SQID < 270 >
date of the first one (P7124) View with SQID < 10 January 1863 >
date of the latest one (P7125) View with SQID < 12 October 2008 >
point in time (P585) View with SQID < 23 July 2019 >
Example 6
< Hero of Socialist Labour (Q208167) View with Reasonator View with SQID > quantity (P1114) View with SQID < 20,613 >
date of the first one (P7124) View with SQID < 20 December 1939 >
date of the latest one (P7125) View with SQID < 21 December 1991 >
point in time (P585) View with SQID < 23 July 2019 >
Example 7
< Yoo Young-chul (Q483939) View with Reasonator View with SQID > number of victims of killer (P1345) View with SQID < 20 >
date of the first one (P7124) View with SQID < 24 September 2003 >
date of the latest one (P7125) View with SQID < 15 July 2004 >
point in time (P585) View with SQID < 23 July 2019 >
Example 8
Example 9
Sourceexternal reference, Wikipedia article, etc.
Planned usemainly for explicit dating of the first (debut) matches or goals of sportspeople
See alsofirst flight (P606), date of first performance (P1191), time of earliest written record (P1249)

date of the latest one[edit]

Originally proposed at Wikidata:Property proposal/Generic

Descriptionqualifier: when was the latest element of quantity appears/took place
Data typePoint in time
Domainqualifier only
Example 1
Example 2
< Novak Djokovic (Q5812) View with Reasonator View with SQID > singles record (P564) View with SQID < 846–176 >
date of the first one (P7124) View with SQID < 20 July 2004 >
date of the latest one (P7125) View with SQID < 27 January 2019 >
point in time (P585) View with SQID < 10 March 2019 >
Example 3
< Minami-ke (Q35191609) View with Reasonator View with SQID > number of episodes (P1113) View with SQID < 13 >
date of the first one (P7124) View with SQID < 7 October 2007 >
date of the latest one (P7125) View with SQID < 30 October 2007 >
point in time (P585) View with SQID < 23 July 2019 >
Example 4
Example 5
< London Underground station (Q14562709) View with Reasonator View with SQID > quantity (P1114) View with SQID < 270 >
date of the first one (P7124) View with SQID < 10 January 1863 >
date of the latest one (P7125) View with SQID < 12 October 2008 >
point in time (P585) View with SQID < 23 July 2019 >
Example 6
< Hero of Socialist Labour (Q208167) View with Reasonator View with SQID > quantity (P1114) View with SQID < 20,613 >
date of the first one (P7124) View with SQID < 20 December 1939 >
date of the latest one (P7125) View with SQID < 21 December 1991 >
point in time (P585) View with SQID < 23 July 2019 >
Example 7
< Yoo Young-chul (Q483939) View with Reasonator View with SQID > number of victims of killer (P1345) View with SQID < 20 >
date of the first one (P7124) View with SQID < 24 September 2003 >
date of the latest one (P7125) View with SQID < 15 July 2004 >
point in time (P585) View with SQID < 23 July 2019 >
Example 8
Example 9
Sourceexternal reference, Wikipedia article, etc.
Planned usemainly for explicit dating of the latest (most recent) matches or goals of sportspeople
See alsofloruit (P1317), last update (P5017)

Motivation[edit]

I propose two universal paired properties which should be used as qualifiers for quantity values. It can replace a huge amount of possible separate properties like date of debut (When did Lionel Messi (Q615) debut in La Liga (Q324867)? When did Novak Djokovic (Q5812) debut in ATP Tour (Q300008)?), date of birth of the first child, release date of the most recent episode of the series, date of the latest murder committed or first flight (P606). Based on this data, it will be possible to calculate the youngest authors of goals in the league or to sort the subways by the opening date of their newest stations. It will be possible to choose all female tennis players who gave birth at the age of 20, without creating elements for their children. I am sure that it will give infinitely many useful applications. We assumed similar functionality when Wikidata:Property proposal/Total goals in career was proposed by LesserJerome (talkcontribslogs) but later we learned that start time (P580) and end time (P582) have a different purpose so we need this new property for correct using of total goals in career (P6509). Сидик из ПТУ (talk) 10:55, 23 July 2019 (UTC)

John Vandenberg (talk) 04:17, 28 November 2013 (UTC)
Bill william compton (talkcontribslogs)
--►Cekli829 23:32, 31 January 2014 (UTC)
VicVal (talk) 17:14, 24 October 2015 (UTC)
AmaryllisGardener talk 19:03, 24 April 2016 (UTC)
Tubezlob (🙋) 16:06, 6 October 2016 (UTC)
Sannita - not just another it.wiki sysop 17:24, 14 July 2017 (UTC)
Jmmuguerza (talk) 03:34, 24 August 2017 (UTC)
MisterSynergy
Xaris333
Migrant
Mad_melone
Сидик из ПТУ

Pictogram voting comment.svg Notified participants of WikiProject Sport results Сидик из ПТУ (talk) 09:38, 24 July 2019 (UTC)

Discussion[edit]

  • Symbol support vote.svg Support --Mitte27 (talk) 14:39, 28 July 2019 (UTC)
  • Symbol support vote.svg Support StudiesWorld (talk) 15:34, 29 July 2019 (UTC)
  • Symbol support vote.svg Support This seems useful for quantities counting events in time which do not warrant their own Wikidata items (e.g. each goal scored does not require an item). However, I'm not sure about the proposed usages on physical quantities since the meaning seems to change based on what the item is (e.g. when used on Hero of Socialist Labour (Q208167) it is presumably intended to represent when they are awarded whereas on Fabergé egg (Q331225) presumably represents when they were created). --SilentSpike (talk) 15:56, 29 July 2019 (UTC)
    • Nevertheless, this functionality will be useful for physical quantities too. We can correctly write the documentation, prescribe the meaning of the qualifier depending on the property (pay attention to the number of Also known as at inception (P571) including very specific written on date or date constructed) and create more specific propety for awards like the "number of awards presented" (will be useful for Academy Awards (Q19020)). Сидик из ПТУ (talk) 18:25, 29 July 2019 (UTC)
  • Symbol support vote.svg Support ZVER18 (talk) 12:18, 30 July 2019 (UTC)