Beyond Databases, Architectures and Structures. Advanced Technologies for Data Mining and Knowledge Discovery 12th International Conference, BDAS 2016, Ustroń, Poland, May 31 - June 3, 2016, Proceedings - Kozielski, Stanisław; Mrozek, Dariusz; Kasprowski, Paweł; Małysiak-Mrozek, Bożena; Kostrzewa, Daniel (Springer International Publishing : Imprint: Springer, 2016)