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caviri.github.io/rete
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The query
PREFIX tci: <https://data.graphplaza.com/tree-city-inventory/ns#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
SELECT ?species (COUNT(?t) AS ?n) WHERE {
?t a tci:Tree ; tci:taxon ?tx .
?tx skos:prefLabel ?species
}
GROUP BY ?species ORDER BY DESC(?n) LIMIT 20