PrefaceRobal, Tarmo; Haav, Hele-Mai; Penjam, Jaan; Matulevičius, RaimundasDatabases and Information Systems : 14th International Baltic Conference, DB&IS 2020, Tallinn, Estonia, June 16-19, 2020 : Proceedings2020 / p. v-vi https://doi.org/10.1007/978-3-030-57672-1 Conference proceeding at Scopus Article at Scopus