prefixes:
  ex: http://example.com/

mappings:
  person:
    source:
      - [test.csv~csv]
    s: http://ex.org/$(id)
    po:
      - [a, ex:Person]
  book:
    source:
      - [test2.csv~csv]
    s: http://ex.org/book/$(id)
    po:
      - [a, ex:Book]
      - p: ex:author
        o:
          mapping: person
          condition:
            function: equal
            parameters:
              - [str1, $(author), s]
              - parameter: str2
                value:
                  function: ex:toLowerCase
                  parameters:
                    - [ex:input, $(name), o]