qlever.dev

Examples

• A federated query, executed on QLever's Wikidata mirror (qlever.dev/wikidat...
• Federated query connecting specimens in a natural-history collection (GBIF,...
• Given a species with a Catalogue of Life identifier, the query: 1. Converts...
• In GBIF issues remains regarding occurrences, this query lists their times ...
• In taxanomy multiple taxa exist with the same name. This query lists them
• Most observations are country bound, yet regions exist that cross borders a...
• Oenanthe, one name, two kingdoms, gbif
• PREFIX gbif: PREFIX status: PREFIX rdfs: PREFIX dwc: SELECT (COUNT(*) AS ?p...
• Simple test of making a distribution map (using my own SPARQL client). Note...
• This queries identifies all (child) taxa of lepidoptera with no GBIF proper...
• This query checks which GBIF species id's are not covered on wikidata by al...
• This query matches taxa on Wikidata that lack a property linking to GBIF
• a SPARQL query against the GBIF backbone RDF that finds true taxonomic homo...