@UNPUBLISHED{KiehnSchmidtPanseRitter2022,
  author = {Felix Kiehn and Mareike Schmidt and Fabian Panse and Norbert Ritter},
  title  = {Towards Polyglot Data Stores - Overview and Open Research Questions},
  note   = {Preprint (arxiv.org)},
  year   = {2022}
}