A Study of Online Review Promptness in a B2C System

Table 4

Sample topics generated directly by LDA.

ID	Top 10 sample words and their probability
1	苹果 (apple) 0.244; 东西 (goods) 0.182; 品牌 (brand) 0.05; 京东 (Jingdong) 0.046; 产品 (product) 0.045; 质量 (quality) 0.043; 不用 (do not) 0.039; 品质 (quality) 0.024; 正品 (certified goods) 0.020; 优点 (merit) 0.019.
2	使用 (use) 0.108; 朋友 (friend) 0.087; 感觉 (feel) 0.057; 发现 (discovery) 0.049; 正在 (in process) 0.041; 没什么 (noting) 0.036; 目前 (current) 0.031; 暂时 (temporary) 0.027; 应该 (should) 0.022; 优点 (merit) 0.019.
3	屏幕 (screen) 0.079; 反应 (reaction) 0.036; 电池 (battery) 0.031; 触屏 (touch screen) 0.026; 触摸 (touch) 0.023; 速度 (speed) 0.016; 分辨率 (Resolution) 0.016; 游戏 (game) 0.015; 重力 (gravity) 0.015; 感应 (response) 0.014.
4	送货 (delivery) 0.144; 速度 (speed) 0.136; 东西 (goods) 0.078; 质量 (quality) 0.056; 包装 (package) 0.052; 很快 (fast) 0.048; 发货 (consignment) 0.039; 服务 (service)0.032; 物流 (logistics) 0.028; 快递 (express) 0.016.
5	外观 (appearance) 0.084; 屏幕 (screen) 0.057; 做工 (workmanship) 0.028; 时尚 (fashion) 0.022; 操作 (operation) 0.017; 效果 (display effect) 0.015; 分辨率 (Resolution) 0.013; 外形 (Shape) 0.013; 显示 (display) 0.012.
20	性价比 (cost performance) 0.095; 价格 (price) 0.077; 配置 (configuration) 0.062; 感觉 (feel) 0.026; 打折 (discount) 0.018; 做工 (workmanship) 0.018; 总体 (totality) 0.015; 价位 (price) 0.014; 促销 (promotion) 0.014; 赠品 (gift) 0.010.