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	STUDIA INFORMATICA - Issue no. 2 / 2003

	Article:	STOCHASTIC OPTIMIZATION OF QUERYING DISTRIBUTED DATABASES II. SOLVING STOCHASTIC OPTIMIZATION. Authors: D. DUMITRESCU, V. VARGA.


	Abstract: General stochastic query optimization (GSQO) problem for mul- tiple join \| join of p relations which are stored at p different sites \| is presented. GSQO problem leads to a special kind of nonlinear programming problem (P). Problem (P) is solved by using a constructive method. A se- quence converging to the solution of the optimization problem is built. Two algorithms for solving optimization problem (P) are proposed.




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