计算机科学 ›› 2022, Vol. 49 ›› Issue (11A): 211000193-6.doi: 10.11896/jsjkx.211000193
史伟1, 付月2
SHI Wei1, FU Yue2
摘要: 网络评论的情感主题演变分析对突发事件中网络舆情的控制极具价值。针对情感主题动态性的特点,构建一个基于LDA的情感主题模型,通过对时间与主题和情感的联合建模来分析情感主题随时间的演变,推导了基于Gibbs抽样过程的推理算法,最后通过微博突发事件数据集的分析结果显示了联合模型较高的准确性和情感主题随时间演变过程中良好的应用性。
中图分类号:
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