Department of Computer Science, Konstanz University, Universitätsstrasse 10, Konstanz, Germany. hendrik@strobelt.com|Department of Computer Science, Konstanz University, Universitätsstrasse 10, Konstanz, Germany. hendrik@strobelt.com|Department of Computer Science, Konstanz University, Universitätsstrasse 10, Konstanz, Germany. hendrik@strobelt.com|Department of Computer Science, Konstanz University, Universitätsstrasse 10, Konstanz, Germany. hendrik@strobelt.com|Department of Computer Science, Konstanz University, Universitätsstrasse 10, Konstanz, Germany. hendrik@strobelt.com|Department of Computer Science, Konstanz University, Universitätsstrasse 10, Konstanz, Germany. hendrik@strobelt.com|Department of Computer Science, Konstanz University, Universitätsstrasse 10, Konstanz, Germany. hendrik@strobelt.com