Analysis of the Factors Affecting the Performance of CRF-based Keywords Extraction Model
条件随机场标引模型的性能影响因素分析

The CRF model can use the features of documents more sufficiently and effectively. Keywords extraction based on CRF is proposed and implemented. The factors affecting the performance of the CRF-based keyword extraction model are analyzed. The factors include: the performance of text segmentation, the scale of training corpus, the number of figure and the parameters setting of the CRF model.