Matthias Born Jörg Hoffmann Tomasz Kaczmarek Marek Kowalkiewicz Ivan Markovic James Scicluna Ingo Weber Xuan Zhou Semantic Annotation and Composition of Business Processes with Maestro. 772-776 2008 ESWC http://dx.doi.org/10.1007/978-3-540-68234-9_56 conf/esws/2008 db/conf/esws/eswc2008.html#BornHKKMSWZ08