@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix mi: <https://taxonomy.materialinstruments.com/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://taxonomy.materialinstruments.com/id/material/white-oak>
  a skos:Concept ;
  skos:inScheme <https://taxonomy.materialinstruments.com/id/axis/material> ;
  skos:prefLabel "White oak"@en ;
  skos:definition "Timber from the white-oak species group within the genus Quercus, named as a wood material rather than a color or surface finish."@en ;
  skos:broader <https://taxonomy.materialinstruments.com/id/material/oak> ;
  skos:narrowMatch <https://taxonomy.materialinstruments.com/ns/uniclass/Ma_60_97_58_04> ;
  skos:closeMatch <http://vocab.getty.edu/aat/300012331> ;
  skos:notation "Ma_60_97_58_04"^^<https://taxonomy.materialinstruments.com/ns/uniclass> ;
  mi:searchedWithout [ dcterms:date "2026-10-22" ; mi:query "White oak" ; mi:scheme "wikidata" ; mi:via "https://www.wikidata.org/w/api.php?action=wbsearchentities&language=en&format=json; labels and descriptions read" ] ;
  mi:sourceBasis "evidenced" ;
  dcterms:source "a search benchmark in a materials-retrieval system (src-05) (244-query external search corpus; phrase and admission evidence: White oak; canonical boundary authored by Taxonomy); https://research.fs.usda.gov/download/treesearch/37440.pdf" ;
  dcterms:date "2026-07-31" ;
  mi:status "active" .
