Abstract I. Introduction II. Literature Review 2.1 DEA 2.2 The efficiency evaluation factors of life insurance company III. Methodology 3.1 Classification Rule Genenration for each tier 3.2 Definition of input and output factors for DMUs 3.3 Evaluating the Efficeiencies of DMUs using DEA 3.4 Clustering the DMUs Through the Tier Analysis 3.5 Generating classification Rules for each tier using C4.5 IV. Results of analysis 4.1 Evaluating the Efficiency of the DMUs using DEA 4.2 Clustering the DMUs Through the Tier Analysis 4.3 Generating classification Rules for each tier using C4.5 V. Conclusion Refernces APPENDIX 논문초록