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    • From conceptual to logical ETL design using BPMN and relational algebra 

      Awiti, Judith; Vaisman, Alejandro Ariel; Zimányi, Esteban (2019)
      "Extraction, transformation, and loading (ETL) processes are used to extract data from internal and external sources of an organization, transform these data, and load them into a data warehouse. The Business Process ...