@inproceedings{lu2018multi,
  title = {Multi-model databases and tightly integrated polystores: Current practices, comparisons, and open challenges},
  author = {Lu, Jiaheng and Holubová, Irena and Cautis, Bogdan},
  booktitle = {Proceedings of the 27th ACM International Conference on Information and Knowledge Management},
  pages = {2301--2302},
  year = {2018},
}