Frontmatter2021-06-212021-06-212019https://dl.gi.de/handle/20.500.12116/36662Article Frontmatter was published on October 1, 2019 in the journal it - Information Technology (volume 61, issue 5-6).enFrontmatterText/Journal Article10.1515/itit-2019-frontmatter5-62196-7032