Dimka Karastoyanova Alejandro Houspanossian Mariano Cilia Frank Leymann Alejandro P. Buchmann Extending BPEL for Run Time Adaptability. 15-26 2005 conf/edoc/2005 EDOC http://doi.ieeecomputersociety.org/10.1109/EDOC.2005.14 db/conf/edoc/edoc2005.html#KarastoyanovaHCLB05