| Open source software tools as well as range of free and paid sentiment analysis tools deploy [[machine learning]], statistics, and natural language processing techniques to automate sentiment analysis on large collections of texts, including web pages, online news, internet discussion groups, online reviews, web blogs, and social media.有很多开源软件使用机器学习(machine learning)、统计、自然语言处理的技术来计算大型文本集的情感分析, 这些大型文本集合包括网页、网络新闻、网上讨论群、网络评论、博客和社交媒介。<ref name="AkcoraBayirDemirbasFerhatosmanoglu2010"> | | Open source software tools as well as range of free and paid sentiment analysis tools deploy [[machine learning]], statistics, and natural language processing techniques to automate sentiment analysis on large collections of texts, including web pages, online news, internet discussion groups, online reviews, web blogs, and social media.有很多开源软件使用机器学习(machine learning)、统计、自然语言处理的技术来计算大型文本集的情感分析, 这些大型文本集合包括网页、网络新闻、网上讨论群、网络评论、博客和社交媒介。<ref name="AkcoraBayirDemirbasFerhatosmanoglu2010"> |