ICS35.240.01 CCSM11 4401 广 州 市 地 方 标 准 DB4401/T12—2023 代替DB4401/T12—2018 网络舆情分级与判定 Classification andjudgment fornetwork public opinion 2023-05-31发布 2023-07-01实施 广州市市场监督管理局 发布 DB4401/T12—2023 I目次 前言.......................................................................................................................................................................Ⅲ 1范围.....................................................................................................................................................................1 2规范性引用文件.................................................................................................................................................1 3术语和定义.........................................................................................................................................................1 4基本原则.............................................................................................................................................................1 4.1科学性原则.................................................................................................................................................1 4.2充分性原则.................................................................................................................................................1 4.3可度量原则.................................................................................................................................................2 4.4可预测原则.................................................................................................................................................2 4.5稳健性原则.................................................................................................................................................2 5网络舆情分级与判定的一般流程.....................................................................................................................2 6网络舆情评价指标.............................................................................................................................................3 7指标量化.............................................................................................................................................................3 7.1媒体传播评价（Em）................................................................................................................................3 7.2舆论强度评价（Es）.................................................................................................................................5 7.3民意态度评价（Ea）.................................................................................................................................6 7.4舆情演变评价（Ed）.................................................................................................................................8 8综合评价.............................................................................................................................................................9 8.1综合评价要求.............................................................................................................................................9 8.2自动化系统评价.........................................................................................................................................9 8.3专家辅助评价...........................................................................................................................................10 9等级划分与程度评估.......................................................................................................................................10 9.1等级划分...................................................................................................................................................10 9.2程度评估...................................................................................................................................................11 附录A（资料性）词频-逆文档频率指数（TF-IDF）统计学方法............................................................12 附录B（资料性）专家辅