Francesco di Cugno Tommaso Di Noia Eugenio Di Sciascio Azzurra Ragone Concept Covering for Automated Building Blocks Selection based on Business Processes Semantics. 11 2006 conf/wecwis/2006 CEC/EEE http://doi.ieeecomputersociety.org/10.1109/CEC-EEE.2006.26 db/conf/wecwis/cec2006.html#CugnoNSR06