ratings:
  file: ml-10M100K/ratings.dat
  format: delimited
  delimiter: "::"
  header: false
  entity_type: rating
movies:
  type: textfile
  file: ml-10M100K/movies.dat
  format: delimited
  delimiter: "::"
  entity_type: item
  header: false
  columns: [id, name]
tags:
  type: textfile
  file: ml-10M100K/tags.dat
  format: delimited
  delimiter: "::"
  entity_type: item-tag
  header: false
  columns:
  - name: item
    type: long
  - name: user
    type: long
  - name: tag
    type: string
  - name: timestamp
    type: long