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

<https://anchorfact.org/kb/science/dna-structure>
  a schema:TechArticle ;
  schema:headline "DNA Structure" ;
  schema:url <https://anchorfact.org/science/dna-structure/> ;
  af:status "public" ;
  af:confidence "medium" ;
  af:confidenceScore "0.89" ;
  af:confidenceBasis "verified_sources" ;
  af:generationMethod "ai_structured" .

<https://anchorfact.org/kb/science/dna-structure>
  schema:citation <https://doi.org/10.1038/171737a0> ;
  af:sourceTier "S" .

<https://anchorfact.org/kb/science/dna-structure>
  schema:citation <https://www.genome.gov/about-genomics/fact-sheets/DNA-Sequencing-Fact-Sheet> ;
  af:sourceTier "A" .

<https://anchorfact.org/kb/science/dna-structure>
  schema:citation <https://www.britannica.com/science/human-genome> ;
  af:sourceTier "B" .