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

<https://anchorfact.org/kb/computer-science/data-column-pruning-and-file-statistics>
  a schema:TechArticle ;
  schema:headline "Data Column Pruning and File Statistics" ;
  schema:url <https://anchorfact.org/computer-science/data-column-pruning-and-file-statistics/> ;
  af:status "public" ;
  af:confidence "medium" ;
  af:confidenceScore "0.725" ;
  af:confidenceBasis "verified_sources" ;
  af:generationMethod "ai_structured" .

<https://anchorfact.org/kb/computer-science/data-column-pruning-and-file-statistics>
  schema:citation <https://docs.cloud.google.com/bigquery/docs/best-practices-performance-compute> ;
  af:sourceTier "B" .

<https://anchorfact.org/kb/computer-science/data-column-pruning-and-file-statistics>
  schema:citation <https://parquet.apache.org/docs/file-format/metadata/> ;
  af:sourceTier "B" .

<https://anchorfact.org/kb/computer-science/data-column-pruning-and-file-statistics>
  schema:citation <https://iceberg.apache.org/docs/latest/performance/> ;
  af:sourceTier "B" .