This book constitutes the refereed proceedings of the 13th International Conference entitled Beyond Databases, Architectures and Structures, BDAS 2017, held in Ustroń, Poland, in May/June 2017. It consists of 44 carefully reviewed papers selected from 118 submissions. The papers are organized in topical sections, namely big data and cloud computing
artificial intelligence, data mining and knowledge discovery
architectures, structures and algorithms for efficient data processing
text mining, natural language processing, ontologies and semantic web
bioinformatics and biological data analysis
industrial applications
data mining tools, optimization and compression.