关键词: Kohonen网络, 上市公司, 综合评价, 禁忌映射

Abstract: Research on listed company comprehensive assessment has become an important focus problem for economists and investors.In this paper，the financial indexes reflecting the comprehensive capability of listed companies as main research objects including income per thigh，clean asset per thigh，profit rate of clean asset，Kohonen network with the advantage of clustering is applied to assess for listed companies.In order to improve the precision of solutions，a tabu-mapping method is also used to avoid the same output node to be mapped by more than one input in this paper.Experimental results show that Kohonen network is feasible and effective to assess listed companies，it can provide a new reference basis for government and investors，which has potential applications in the financial field.

Key words: Kohonen network, listed company, comprehensive assessment, tabu-mapping