足球比赛为球迷带来情感宣泄, 网络论坛及社交媒介为球迷提供了跨时间地域的交流平台. 文章基于天涯论坛``球迷一家''版块数据, 分别 从情感分析和行为挖掘两个方面研究足球比赛对在线球迷的影响. 基于情感词典方法计算帖子中球迷情感值, 通过识别帖子中球队信息计算球队情感倾向值, 并验证情感倾向理论; 基于球迷回复关系建立回复网络考察聚集效应. 进一步基于Granger因果检验考察在线情感和参与行为与 ``新浪爱彩"足彩交易额之间的关系.

Soccer games often release the sentiments of fans. Internet forums and social media provide fans platforms for information exchange. This paper analyzes sentiments and behaviors of online fans based on the data from Fan's Home of Tianya Forum to study the influence of soccer games. We compute the sentiment values of posts and teams based on sentiment lexicon. The results are consistent with the affective disposition theory. Reply networks are created based on the relationship of replies among fans and clustering effects are observed. Further, we carry out Granger causality test to explore relationships between online sentiments and trading volume of Sina Aicai lotteries.