Henrique Jorge A. Holanda Giovanni Cordeiro Barroso Antonio de Barros Serra SPEWS: A Framework for the Performance Analysis of Web Services Orchestrated with BPEL4WS. 363-369 2009 ICIW http://dx.doi.org/10.1109/ICIW.2009.60 conf/iciw/2009 db/conf/iciw/iciw2009.html#HolandaBS09