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YU Houqiang，Bradley M. Hemminger，XIAO Tingting & QIU Junping / Features of Sina Weibo altmetrics indicator  167




               Table 2. Article cases of Weibo altmetrics indicator（top 3 in advance and delay respectively）
                  No.                  Article title               Journal      T p /T m  T d
                       Testing Our Quasi‐Statistical Sense: News Use, Political   2015.12.1
                  #1                                          Political Psychology       -505天
                       Knowledge, and False Projection                        /2014.7.14
                 Weibo  #政见观点#【顽固的错误投射】如下的研究通过翔实的数据，描绘出了一幅灰色的现实：人们对于
                 content  公共舆论的错误感知是非常顽固的，很难因为新闻使用的增加和政治知识的增长而减少。http://t.cn/
                       RPAzeh0
                                                              Soci al  Sci e nce
                                                                               2015.4.29
                  #2   Government Surveillance and Internet Search Behavior  Research Network   /2014.3.22  -403天
                                                              (SSRN)
                 Weibo  《How Snowden changed user behavior on search engines》原文：http://t.cn/RP5r19J HN评论：http://t.cn/
                 content  RP5rkpx
                       Mapping the playing field—a novel web-based strategy to   2015.7.28
                  #3                                             The Lancet              -371天
                       identify non-governmental actors in global surgery     /2014.7.22
                 Weibo  勿怪幸：发表在lancet上的研究结论：如果妓女合法化，未来10年艾滋病AIDS感染率将下降33-46%。
                 content  http://t.cn/RPJ2pTt
                       The Food We Eat, the Liquids We Drink, and the  Public Health Papers   1884.4.3
                  #4                                                                     131年
                       Adulterations We Submit to             and Reports     /2015.2.36
                       今天在查找资料，发现200年前美国的一篇文章。了解到，在19世纪美国的食品也存在造假行为，包
                 Weibo  括酒、茶、牛奶、咖啡、糖等等，甚至药品。并且揭露了一些欺骗检查的手法。文中说道，造假的
                 content  艺术和技巧，可以媲美最牛的化学专家，但是我看后觉得和我朝三聚氰胺比起来段位还是低了点。
                       http://t.cn/RwOtm5U
                       Wilhelm Conrad Röntgen On a New Kind of Rays:
                                                                               1896.2.29
                  #5   translation of a paper read before the Würzburg Physical  Nature  /2012.10.14  116年
                       and Medical Society
                 Weibo  [赞]//@聪明的一叔: 回复@zzzuz:[赞] //@zzzuz:@为什么不懂的是我 http://t.cn/R251vXn 你要知道答
                 content  案，支付12英镑就能读到1895年伦琴关于XRAY的第一篇论文，投在维尔茨堡的物理-医学学会杂志
                       上。This was the first paper written on X-rays. Röntgen referred to the radiation as "X", to indicate
                                                              J o u rn a l  o f
                  #6   白領コンゴ及佛領コンゴ間の境界一劃定及中立地帯                Geography (Chigaku   1909.1.1  105年
                       の新設                                    Zasshi)         /2014.12.16
                 Weibo
                 content  白領コンゴ及佛領コンゴ間の境界一劃定及中立地帯の新設http://t.cn/RznNFkw
               Note: T p  is the formal publishing date,  T m  is date of first weibo that mentions the article,  T d  is the time
               difference between formal publishing date and first Weibo mention.

               2.4  Disciplinary distribution of Weiboed articles


               There is disciplinary difference for citation indicators. Direct comparison between citations of
               physics and citations of psychology, for example, can thus be misleading. Here, we investigate
               whether there is disciplinary difference in Weibo altmetrics indicators. Altmetric.com has provided
               three types of disciplinary classifications. They are S p  (publisher subject), S s  (scopus subject)
               and S m  (Medline subject). 48.2% of the Weiboed articles have all three classification code, while
               78.7% articles have at least one of these three classification code. Scopus classification system
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