Valeria Seidita Massimo Cossentino Salvatore Gaglio Using and Extending the SPEM Specifications to Represent Agent Oriented Methodologies. 46-59 2008 AOSE http://dx.doi.org/10.1007/978-3-642-01338-6_4 conf/aose/2008 db/conf/aose/aose2008.html#SeiditaCG08