Daniel Zinn Shawn Bowers Timothy M. McPhillips Bertram Ludäscher X-CSR: Dataflow Optimization for Distributed XML Process Pipelines. 577-580 2009 ICDE http://dx.doi.org/10.1109/ICDE.2009.72 conf/icde/2009 db/conf/icde/icde2009.html#ZinnBML09