基于TF-IDF算法的运营商客户投诉原因研究
张爱华, 孙嘉鸿
Reasons for Customer Complaints in Operators Based on TF-IDF Algorithm
ZHANG Aihua, SUN Jiahong
北京邮电大学学报(社会科学版) . 2024, (2): 39 -49 .  DOI: 10.19722/j.cnki.1008-7729.2024.0021