Sattanathan SubramanianGuttorm SindreImproving the Performance of ActiveXML Workflows: The Formal Descriptions.308-3152009IEEE SCChttps://doi.org/10.1109/SCC.2009.67https://doi.ieeecomputersociety.org/10.1109/SCC.2009.67conf/IEEEscc/2009db/conf/IEEEscc/scc2009.html#SubramanianS09