Business Information Systems Workshops BIS 2018 International Workshops, Berlin, Germany, July 18–20, 2018, Revised Papers Abramowicz Witold Heftet / 2019 / Engelsk
Business Information Systems 21st International Conference, BIS 2018, Berlin, Germany, July 18-20, 2018, Proceedings Abramowicz Witold Heftet / 2018 / Engelsk
Rule Interchange and Applications International Symposium, RuleML 2009, Las Vegas, Nevada, USA, November 5-7, 2009. Proceedings Paschke Adrian Heftet / 2009 / Engelsk
