This book contains the proceedings of the DASFAA 2019 International Workshops on Big Data Management and Service (BDMS), Big Data Quality and Management (BDQM), and Graph Data Management and Analysis (GDMA). Held in Chiang Mai, Thailand, from April 22-25, 2019, these workshops brought together researchers and practitioners to discuss the latest advancements in big data management and related fields. Explore cutting-edge research on topics such as data quality, data integration, data mining, graph databases, and data-driven services. This is an essential resource for academics and professionals seeking to understand the evolving landscape of database systems and big data technologies. Key topics include: * Big Data Management and Service * Big Data Quality and Management * Graph Data Management and Analysis Database Systems for Advanced Applications proceedings, DASFAA 2019 workshops, BDMS, BDQM, GDMA, Chiang Mai, Thailand, April 2019, database systems, big data, data management, data quality, graph data.