Database systems for advanced applications. DASFAA 2020 International Workshops : BDMS, SeCoP, BDQM, GDMA, and AIDE, Jeju, South Korea, September 24–27, 2020 : proceedings - Nah, Yunmook; Kim, Chulyun; Kim, Seon-Young; Moon, Yang-Sae; Whang, Steven Euijong (Springer, 2020)