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DS Catalog:SPARQL Query Service/example queries: Difference between revisions
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DS Catalog:SPARQL Query Service/example queries (view source)
Revision as of 23:04, 29 January 2024
, 9 months ago→Unenriched Strings Generator
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==Unenriched Strings Generator== | ==Unenriched Strings Generator== | ||
This query generates a list of string values of a particular type of ''as recorded'' data occurring in a DS Record which have not be qualified by an authority value (i.e., reconciled to its linked data equivalent in a Linked Open Vocabulary or Authority). | This query generates a list of string values of a particular type of ''as recorded'' data occurring in a DS Record which have not be qualified by an authority value (i.e., reconciled to its linked data equivalent in a Linked Open Vocabulary or Authority). | ||
<syntaxhighlight lang="SPARQL"> | <syntaxhighlight lang="SPARQL"> | ||
SELECT ?record ?recordLabel ?string ?authority ?authorityLabel ?roleLabel | SELECT | ||
WHERE { | # declared variables for values matching the following pattern | ||
?record | |||
# a link to a DS record | |||
?recordLabel | |||
# the name/label of the DS record | |||
?string | |||
# the string value as recorded in the original catalog record | |||
?authority | |||
# a link to the authority record to which the string value has been reconciled | |||
?authorityLabel | |||
# a label for the the authority record in the DS database | |||
#?roleLabel | |||
# where applicable, a label for role information (un-comment roleLabel variable when querying name data to get role information) | |||
WHERE | |||
# the patterns or conditions that need to be met to return values for the above variables | |||
{ | |||
?record p:P14 ?stringStatement . | |||
# identifies records with statements with corresponding property (change P-value for as recorded value to be queried) | |||
?stringStatement ps:P14 ?string . | |||
# identifies statements that have strings with corresponding property (change P-value for as recorded value to be queried) | |||
FILTER NOT EXISTS { ?stringStatement pq:P17 ?authority . } | |||
# identifies those statements which have not been enriched with authority values (change P-value for authority file value to be queried) | |||
#OPTIONAL { ?stringStatement pq:P15 ?role . } | |||
# only used for name data, un-comment optional clause when querying name data | |||
SERVICE wikibase:label { | SERVICE wikibase:label { | ||
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} | } | ||
ORDER BY ASC (?string) | ORDER BY ASC (?string) | ||
<syntaxhighlight> | # this sorts the results alphabetically by as recorded string values | ||
</syntaxhighlight> | |||