Using mandatory concepts for knowledge discovery and data structuringElloumi, Samir; Ben Yahia, Sadok; Al Ja’am, JihadDatabase and Expert Systems Applications : 30th International Conference, DEXA 2019, Linz, Austria, August 26–29, 2019, Proceedings, Part II2019 / p. 362 - 375 https://doi.org/10.1007/978-3-030-27618-8_27 Conference proceeding at Scopus Article at Scopus Conference proceeding at WOS Article at WOS