M. Garofalakis, B. Ozden and A. Silberschatz, "Resource scheduling in enhanced pay-per-view continuous media databases", in 23rd VLDB Conference, August 1997, pp. 516-525.
M. Garofalakis and Y. Ioannidis, "Multi-dimensional resource scheduling for parallel queries", in ACM SIGMOD International Conference on Management of Data, June 1996, pp. 365-376.