Type-Safe Two-Level Data Transformation

  title={Type-Safe Two-Level Data Transformation},
  author={Alcino Cunha and Jos{\'e} Nuno Oliveira and Joost Visser},
A two-level data transformation consists of a type-level transformation of a data format coupled with value-level transformations of data instances corresponding to that format. Examples of two-level data transformations include XML schema evolution coupled with document migration, and data mappings used for interoperability and persistence. We provide a formal treatment of two-level data transformations that is typesafe in the sense that the well-formedness of the value-level transformations… CONTINUE READING
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