Samira Tasharofi Mohsen Vakilian Roshanak Zilouchian Moghaddam Marjan Sirjani Modeling Web Service Interactions Using the Coordination Language Reo. 108-123 2007 WS-FM http://dx.doi.org/10.1007/978-3-540-79230-7_8 conf/wsfm/2007 db/conf/wsfm/wsfm2007.html#TasharofiVMS07