@prefix schema: <https://schema.org/> .
@prefix af: <https://anchorfact.org/ns#> .

<https://anchorfact.org/kb/history/age-of-exploration>
  a schema:TechArticle ;
  schema:headline "Age of Exploration" ;
  schema:url <https://anchorfact.org/history/age-of-exploration/> ;
  af:status "public" ;
  af:confidence "low" ;
  af:confidenceScore "0.555" ;
  af:confidenceBasis "verified_sources" ;
  af:generationMethod "ai_structured" .

<https://anchorfact.org/kb/history/age-of-exploration>
  schema:citation <https://www.harpercollins.com/products/over-the-edge-of-the-world-laurence-bergreen> ;
  af:sourceTier "B" .