Frederick Reiss Kurt Stockinger Kesheng Wu Arie Shoshani Joseph M. Hellerstein Enabling Real-Time Querying of Live and Historical Stream Data. 28 2007 conf/ssdbm/2007 SSDBM http://doi.ieeecomputersociety.org/10.1109/SSDBM.2007.34 db/conf/ssdbm/ssdbm2007.html#ReissSWSH07