The papers deal with the following topics: decision support systems, data analytics, data and information quality, digital rights management, big data, knowledge management, ontology engineering, digital libraries, mobile databases, object-oriented database systems, and data integrity.

Explainable and Transferrable Text Categorization.- Dealing with Critical Issues in Emails: A Comparison of Approachesfor Sentiment Analysis.- Industry 4.0: Sensor Data Analysis using Machine Learning.- Scalable Architecture, Storage and Visualization Approaches for Time Series Analysis Systems .- Optimizing Steering of Roaming Traffic with A-number Billing under a Rolling Horizon Policy.- A Web-based Decision Support System for Quality Prediction in Manufacturing using Ensemble of Regressor Chains.- Farm Area Segmentation in Satellite Images using DeepLabv3+ Neural Networks.- About the Fairness of Database Performance Comparisons.