New trends in databases and information systems ADBIS 2019 short papers, workshops BBIGAP, QAUCA, SemBDM, SIMPDA, M2P, MADEISD, and doctoral consortium, Bled, Slovenia, September 8-11, 2019 : proceedings - Welzer, Tatjana 1961-; Eder, Johann 1958-; Podgorelec, Vili; Wrembel, Robert; Ivanović, Mirjana; Gamper, Johann; Morzy, Mikoƚaj; Tzouramanis, Theodoros; Darmont, Jérôme; Kamišalić Latifić, Aida (Communications in Computer and Information Science, 2019)