Selected Papers from the Thirteenth International Baltic Conference DBIS 2018. The importance of databases and information systems to the functioning of 21st century life is indisputable.This book presents papers from the 13th International Baltic Conference on Databases and Information Systems, held in Trakai, Lithuania, from 1- 4 July 2018. Since the first of these events in 1994, the Baltic DBIS has proved itself to be an excellent forum for researchers, practitioners and PhD students to deliver and share their research in the field of advanced information systems, databases and related areas. For the 2018