1. Gray, J., The next database revolution, Proceedings of the ACM SIGMOD Int. Conf. on Management of Data (Paris, 2004), Weikum, G., König, A.C., and Deßloch, S., Eds., ACM, 2004, pp. 1–4.
2. Graefe, G., Query evaluation techniques for large databases, ACM Comput. Surv., 1993, vol. 25, no. 2, pp. 73–170.
3. Codd, E.F., A relational model of data for large shared data banks, Commun. ACM, 1970, vol. 13, no. 6, pp. 377–387.
4. Darwen, H. and Date, C.J., The third manifesto, SIGMOD Record, 1995, vol. 24, no. 1, pp. 39–49.
5. Ioannidis, Y.E., Query optimization, ACM Comput. Surv., 1996, vol. 28, no. 1, pp. 121–123.