Policy granulation analysis system based on natural language analysis and machine learning

The invention relates to a policy granulation analysis system based on natural language analysis and machine learning, which solves the technical problem of low accuracy, and adopts a policy file acquisition input module, a natural language processing module, a machine learning optimization module and a policy granulation analysis output module. The policy granulation analysis output module analyzes and outputs the granulation parameters of the policy according to the predetermined policy dimension characteristics and the result of the natural language processing module; the natural language processing module comprises a file preprocessing unit, a core processing component unit, a word normalization unit, a part-of-speech tagging unit, a primary analysis unit, a dictionary query unit, a deep analysis unit and a natural language processing output unit; the machine learning optimization module comprises a part-of-speech quantization unit, a machine learning algorithm library and an optimization fusion unit, the