Walid Gaaloul Khaled Gaaloul Sami Bhiri Armin Haller Manfred Hauswirth Log-based transactional workflow mining. 193-240 2009 25 Distributed and Parallel Databases 3 http://dx.doi.org/10.1007/s10619-009-7040-0 db/journals/dpd/dpd25.html#GaaloulGBHH09