Yongyan Zheng Paul Krause Asynchronous Semantics and Anti-patterns for Interacting Web Services. 74-84 2006 conf/qsic/2006 QSIC http://doi.ieeecomputersociety.org/10.1109/QSIC.2006.14 db/conf/qsic/qsic2006.html#ZhengK06