Plale, B., and K. Schwan, "Optimizations Enabled by a Relational Data Model View to Querying Data Streams" The 15th International Parallel and Distributed Processing Symposium (IPDP 2001), San Francisco, IEEE, pp. 6, Apr 2001, 10.1109/IPDPS.2001.924953 , http://www.cs.indiana.edu/dde/papers/plaleIPDPS2001.pdf.