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

<https://anchorfact.org/kb/ai/data-preprocessing>
  a schema:TechArticle ;
  schema:headline "Data Preprocessing" ;
  schema:url <https://anchorfact.org/ai/data-preprocessing/> ;
  af:status "public" ;
  af:confidence "medium" ;
  af:confidenceScore "0.725" ;
  af:confidenceBasis "verified_sources" ;
  af:generationMethod "ai_structured" .

<https://anchorfact.org/kb/ai/data-preprocessing>
  schema:citation <https://scikit-learn.org/stable/modules/preprocessing.html> ;
  af:sourceTier "B" .

<https://anchorfact.org/kb/ai/data-preprocessing>
  schema:citation <https://scikit-learn.org/stable/modules/impute.html> ;
  af:sourceTier "B" .

<https://anchorfact.org/kb/ai/data-preprocessing>
  schema:citation <https://scikit-learn.org/stable/common_pitfalls.html> ;
  af:sourceTier "B" .