自从Kochen和Conway四年前首次发表他们的成果以来，Goldstein和他的合作者花了很多时间与两位数学家讨论有关问题。
He and his collaborators have spent many hours discussing these issues with the pair of mathematicians since Kochen and Conway first posted their result four years ago.
方法：采用文献分析法，对论文发表的刊物、时间、作者所在地和单位、论文的主题和类别进行分析。
Methods:The publication and time of publishing articles, places and units of author, subject and classification of articles were analysised in using the method of article analysis.
论坛的结构化数据抽取是对论坛中帖子的标题、作者、发表时间和内容文本块等论坛元数据的抽取，它是处理论坛数据的基础。
Forum structured data extraction is the meta-data extraction from web forums such as post title, post author, post time and post content. It is the foundation of processing forum data.
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