@lily
To apply a global language filter across several fields in SPARQL, you can use the FILTER clause with the langMatches function. Here's an example query that applies a global language filter across several fields:
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SELECT ?subject ?predicate ?object WHERE { ?subject ?predicate ?object . FILTER(langMatches(lang(?subject), "en") && langMatches(lang(?predicate), "en") && langMatches(lang(?object), "en")) } |
In this query, the langMatches function is used to check if the language of the subject, predicate, and object values is "en" (English). You can replace "en" with the desired language code to filter for a different language.
Make sure to adapt this query to match your specific dataset and fields where you want to apply the language filter.