Dr. Rafał Wojciechowski participated in The 16th International Conference on Business Information Systems BIS 2013, hosted this year by the Poznan University of Econmics. During the conference dr Wojciechowski presented a paper entitled “Conceptual Architecture of Knowledge Base for Administrative Procedure Execution” (authors: Strykowski, S., and R. Wojciechowski), published by Springer Verlag in "Lecture Notes in Business Information Processing”.