G. R. Gangadharan Hong Linh Truong Martin Treiber Vincenzo D'Andrea Schahram Dustdar Renato Iannella Michael Weiss Consumer-Specified Service License Selection and Composition. 194-203 2008 ICCBSS http://doi.ieeecomputersociety.org/10.1109/ICCBSS.2008.29 conf/iccbss/2008 db/conf/iccbss/iccbss2008.html#GangadharanTTDDIW08