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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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