نتایج جستجو برای: graph algorithm
تعداد نتایج: 897475 فیلتر نتایج به سال:
Set covering problem has many applications such as emergency systems, retailers’ facilities, hospitals, radar devices, and military logistics, and it is considered as Np-Hard problems. The goal of set covering problem is to find a subset such that :::::::::union::::::::: of the subset members covered the whole set. In this paper, we present a new heuristic algorithm to solve the set covering pr...
The purpose of this paper is to present a polynomial time algorithm which determines the lot sizes for purchase component in Material Requirement Planning (MRP) environments with deterministic time-phased demand with zero lead time. In this model, backlog is not permitted, the unit purchasing price is based on the all-units discount system and resale of the excess units is possible at the order...
This study presents a comparative analysis of redesigned models of organizational processes by making use of social network concepts. After doing re-engineering of organizational processes which had been conducted in the headquarters of Mazandaran Province Education Department, different methods were used which included the alpha algorithm, alpha⁺, genetics and heuristics. Every one of these me...
A hierarchical random graph (HRG) model combined with a maximum likelihood approach and Markov Chain Monte Carlo algorithm can not only be used to quantitatively describe the organization of many real networks, but also predict missing connections in partly known networks high accuracy. However, computational cost is very large when graphs are sampled by (MCMC), so that graphs, which characteri...
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