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介绍医药卫生体制改革舆情监测系统的基本框架,针对主题追踪环节的关键技术问题进行详细阐述,并提出采用改进KNN方法进行主题模型构建的思路。实验结果表明,医药卫生体制改革舆情监测系统中的主题追踪具有较好的准确率和召回率。
This paper introduces the basic framework of public opinion monitoring system for medical and health system reform, elaborates on the key technical issues of the topic tracking and puts forward the idea of using the improved KNN method to construct thematic model. The experimental results show that the topic tracking in public opinion monitoring system of medical and health system reform has a good accuracy rate and recall rate.