面向趋势预测的热点主题演化分析方法研究*
岳丽欣1,刘自强2,3(),胡正银2,3
Evolution Analysis of Hot Topics with Trend-Prediction
Yue Lixin1,Liu Ziqiang2,3(),Hu Zhengyin2,3

图3. 最优主题个数确定

Fig.3. Determination of Optimal Number of Topics