Property talk:P8988

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Mapy.cz ID
identifier for a point of interest in Mapy.cz

Applicable "stated in" value	Mapy.CZ (Q12035233)
Data type	External identifier
Domain	geographical feature (Q618123), mine (Q820477), brewery (Q131734), cultural institution (Q3152824), battle (Q178561), human-geographic territorial entity (Q15642541), sculpture (Q860861), occurrence (Q1190554) or remarkable tree (Q811534)
Allowed values	(addr|area|base|coun|dist|muni|quar|regi|stre|ward|osm|pubt|firm|traf)&id=[1-9][0-9]{0,9}
Example	Olomouc (Q81137) → muni&id=1 South Bohemian Region (Q188373) → regi&id=1 Church of the Holy Spirit (Q17282) → base&id=1933331 Chrudim (Q17750104) → pubt&id=15211585 Vrané nad Vltavou municipal office (Q90566244) → firm&id=354837 Národní (Q2993762) → stre&id=121110 Mlýnské nábřeží 41 (Q37019250) → addr&id=8916407
Formatter URL	https://wikidata-externalid-url.toolforge.org/?p=8988&url_prefix=https://mapy.cz/zakladni?source=&id=$1 https://mapy.cz/zakladni?source=$1
Related to country	Czech Republic (Q213) (See 154 others)
See also	ground level 360 degree view URL (P5282)
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/P8988 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 206,781 Main statement 206,466 99.8% of uses Qualifier 7 <0.1% of uses Reference 308 0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Format “(addr|area|base|coun|dist|muni|quar|regi|stre|ward|osm|pubt|firm|traf)&id=[1-9][0-9]{0,9}”: 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/P8988#Format, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (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/P8988#Unique value, SPARQL (every item), SPARQL (by value)

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). Known exceptions: Čertova rokle (Q84043600), Fountain in Lužánky (Q30306295), Obora Holedná (Q12041961), sady Národního odboje (Q44687987), Královopolský tunel (Q12031732), Rolava (Přebuz) (Q1360645), Horní Benešov (Q97665609), park Danuše Muzikářové (Q75289136), park Mariacela (Q113988434)
List of violations of this constraint: Database reports/Constraint violations/P8988#Single value, 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/P8988#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/P8988#Entity types

Type “geographical feature (Q618123), mine (Q820477), brewery (Q131734), cultural institution (Q3152824), battle (Q178561), human-geographic territorial entity (Q15642541), sculpture (Q860861), occurrence (Q1190554), remarkable tree (Q811534)”: item must contain property “instance of (P31)” with classes “geographical feature (Q618123), mine (Q820477), brewery (Q131734), cultural institution (Q3152824), battle (Q178561), human-geographic territorial entity (Q15642541), sculpture (Q860861), occurrence (Q1190554), remarkable tree (Q811534)” 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). Known exceptions: Gorals (Q498700), Jizerská padesátka (Q466099), Way of Saint James (Q41150), Moravia–Ostrava offensive (Q557873), fire of a tree stump in Kohoutovice (Q104830959), Brno Dragon (Q11343687), Pocta herci Jiřímu Pechovi a dalším jeho kolegům (Q34069677), no label (Q94999656), Giant barrel in Mikulov (Q11087457)
List of violations of this constraint: Database reports/Constraint violations/P8988#Type Q618123, Q820477, Q131734, Q3152824, Q178561, Q15642541, Q860861, Q1190554, Q811534, SPARQL

Item “instance of (P31)”: Items with this property should also have “instance of (P31)”. (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/P8988#Item P31, search, SPARQL

Conflicts with “instance of (P31): Wikimedia disambiguation page (Q4167410), Wikimedia category (Q4167836), Wikimedia duplicated page (Q17362920), Wikimedia list article (Q13406463)”: this property must not be used with the listed properties and values. (Help)

List of violations of this constraint: Database reports/Constraint violations/P8988#Conflicts with P31, hourly updated report, SPARQL

Style of external ID

I am personally against of this style of ids ("muni&id=1", "regi&id=1", "base&id=1933331"). There is mix of things: part of URI vs numeric identifier. I am proposing to split this identifier to multiple identifiers with proper numeric id. Skim (talk) 15:56, 30 December 2020 (UTC)

The discussion (for which you were notified) decided otherwise... Vojtěch Dostál (talk) 07:28, 2 February 2021 (UTC)

@ArthurPSmith, Vojtěch Dostál, Skim, Jklamo, Mike Peel: This solution would be elegant if it worked. Unfortunately, there are some technical problems with this format. E.g. for Road III/2565 (Q112046119), the correct link should be:

https://mapy.cz/zakladni?source=area&id=932114

However, the Wikidata page generates the link:

https://wikidata-externalid-url.toolforge.org/?p=8988&url_prefix=https://mapy.cz/zakladni?source=&id=area%26id%3D932114

where is "source=&id=area" instead of "source=area". Nevertheless, the link works correctly and the resulting link is correct:

https://mapy.cz/zakladni?source=area&id=932114

Commons:Template:Wikidata Infobox uses this URL format pattern, but it generates

https://wikidata-externalid-url.toolforge.org/?p=8988&url_prefix=https://mapy.cz/zakladni?source=area&id=932114

The problem with double "&id=" doesn't occur here, but this string at its correct place is not decoded and it returns:

https://mapy.cz/zakladni?source=area932114

on the resulted page and the link doesn't work. The string "&id=" is somehow lost.

Before I tried to correct the long URL format pattern, the resulting link was:

https://mapy.cz/zakladni?source=932114

and didn't work as well. The whole string "area&id=" disappeared.

Is somebody able to fix this problem? --ŠJů (talk) 01:21, 2 June 2022 (UTC)

@ArthurPSmith, Vojtěch Dostál, Skim, Jklamo, Mike Peel: I don't know if anyone was trying to fix something, but shortly after my comment, the Wikidata link also stopped working. --ŠJů (talk) 16:31, 6 June 2022 (UTC)

@ŠJů Could it be your edit? https://www.wikidata.org/w/index.php?title=Property%3AP8988&type=revision&diff=1652409421&oldid=1651667713 Vojtěch Dostál (talk) 16:37, 6 June 2022 (UTC)

@Vojtěch Dostál: This my edit caused the change in behavior I described above (the wrong link from the infobox https://mapy.cz/zakladni?source=932114 changed to wrong link https://mapy.cz/zakladni?source=area932114. The link from Wikidata then worked for about next day, but it is possible that my change was reflected in it and disrupted the function later. --ŠJů (talk) 16:50, 6 June 2022 (UTC)

I reverted that my edit, but https://wikidata-externalid-url.toolforge.org responds to changes in the formatting pattern with a delay. --ŠJů (talk) 16:56, 6 June 2022 (UTC)

As far as I can tell, it was working right in the first place, at least here? On the Wikidata Infobox site, I think it's urldecoding where it shouldn't do, so it's passing multiple "&id=" parameters where it shouldn't. But the Infobox is undergoing a big rewrite at the moment, so solving this there needs to wait until that process is further along. Thanks. Mike Peel (talk) 20:08, 6 June 2022 (UTC)

@ArthurPSmith, Vojtěch Dostál, Skim, Jklamo, Mike Peel: The problem with erroneous encoding of two-parameter URL adresses is further discussed at Commons:Template talk:Wikidata Infobox#Mapy.cz ID etc. (April – July 2022). --ŠJů (talk) 15:33, 29 July 2022 (UTC)

@ŠJů Actually rather here: :commons:Template_talk:Wikidata_Infobox#Mapy.cz_ID_etc. Vojtěch Dostál (talk) 18:16, 29 July 2022 (UTC)