Constraint report
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This special page performs constraint checks on any entity you want. The entities are fetched from the live system, so every constraint violation you fix there will be instantly removed from this list.
The constraints are parsed from statements on properties each time those statements are edited, usually within a few minutes.
Result for Mathew Benjamin Brady (Q187850)
: 1, : 1, : 11, : 8, : 3680, : 315, : 5
| Status | Property | Message | Constraint |
|---|---|---|---|
| described at URL | /^(?:^((?!www\.google\.com\\/search\?).)*$)$/u is not a valid regular expression. | format constraint | |
| Gran Enciclopèdia Catalana ID | The value for Gran Enciclopèdia Catalana ID (matthew-b.-brady) should match the regex ^[a-z]+(\-[a-z0-9]+)*$. | format constraint | |
| participant in | The entities Mathew Benjamin Brady and Documenta 6 should be contemporary to be linked through participant in, but the latest end value of Mathew Benjamin Brady is 15 January 1896Gregorian and the earliest start value of Documenta 6 is 24 June 1977. | contemporary constraint | |
| Encyclopædia Britannica Online ID | This property should only have a single value with the same subject named as qualifier. | single-value constraint | |
| Encyclopædia Britannica Online ID | This property should only have a single value with the same subject named as qualifier. | single-value constraint | |
| National Gallery of Art artist ID | An entity with National Gallery of Art artist ID should also have a statement has works in the collection National Gallery of Art. | item-requires-statement constraint | |
| Bibliothèque nationale de France ID | This property should contain a single “best” value with the same set of qualifiers for these properties: Of the current multiple values, one should be marked with “preferred” rank. | single-best-value constraint | |
| Bibliothèque nationale de France ID | This property should contain a single “best” value with the same set of qualifiers for these properties: Of the current multiple values, one should be marked with “preferred” rank. | single-best-value constraint | |
| Photographers’ Identities Catalog ID | This property is generally expected to contain only a single value. | single-value constraint | |
| Photographers’ Identities Catalog ID | This property is generally expected to contain only a single value. | single-value constraint | |
| Wikimedia import URL | The value for Wikimedia import URL (https://www.wikidata.org/wiki/Q187850#P2041) should match the regex ((?!wikidata\.org/(wiki/|w/index\.php\?title=)Q).)*. | format constraint | |
| Wikimedia import URL | The value for Wikimedia import URL (https://www.wikidata.org/wiki/Q187850#P5273) should match the regex ((?!wikidata\.org/(wiki/|w/index\.php\?title=)Q).)*. | format constraint | |
| Wikimedia import URL | The value for Wikimedia import URL (https://www.wikidata.org/wiki/Q187850#P6295) should match the regex ((?!wikidata\.org/(wiki/|w/index\.php\?title=)Q).)*. | format constraint | |
| archive URL | The value for archive URL (https://web.archive.org/web/http://wallachprintsandphotos.nypl.org/catalog/3200) should match the regex https?://(web\.archive\.org/web/[0-9if_]{14,17}|archive\.org/(details|download)|archive\.(today|is|fo|li|ph|vn)/[0-9]{4}[.-]?[0-9]{2}[.-]?[0-9]{2}[.-]?[0-9]{2}[.-]?[0-9]{2}[.-]?[0-9]{2}|webrecorder\.io|(www\.)?webcitation\.org|perma\.cc|perma\-archives\.org|([^/]+\.)?megalodon\.jp|warp\.da\.ndl\.go\.jp|archive\.wikiwix\.com|(webarchive|yourarchives)\.nationalarchives\.gov\.uk|(pandora|trove|webarchive|content\.webarchive)\.nla\.gov\.au|webarchive\.loc\.gov|media\.digitalarkivet\.no|arquivo\.pt|(swap|sul-swap-prod)\.stanford\.edu)/.+|https?://archive\.(today|is|fo|li|md|ph|vn)/[a-zA-Z0-9]{4,}. | format constraint | |
| birth name | Statements for birth name should have at least one reference. | citation-needed constraint | |
| place of birth | This property should contain a single “best” value. Of the current multiple values, one should be marked with “preferred” rank. | single-best-value constraint | |
| place of birth | This property should contain a single “best” value. Of the current multiple values, one should be marked with “preferred” rank. | single-best-value constraint | |
| place of birth | This property should contain a single “best” value. Of the current multiple values, one should be marked with “preferred” rank. | single-best-value constraint | |
| National Library of Lithuania ID | Entities with statements for National Library of Lithuania ID should also have a label at least in Lithuanian language. | label in language constraint | |
| SELIBR ID | This property should only have a single value with the same set of qualifiers for these properties: | single-value constraint | |
| SELIBR ID | This property should only have a single value with the same set of qualifiers for these properties: | single-value constraint |