为了评估作者是否声称过任何因果关系，研究人员在每篇论文的标题和摘要中寻找能说明问题的动词，比如“增强”、“促进”、“便利”和“加强”。

To assess whether the authors claimed any causation, researchers then looked for telltale verbs in each paper's title and abstract, verbs like "enhance", "promote", "facilitate", and "strengthen".

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这常常要处理页面的前 200 个单词 —— 页面标题标记、标题、摘要等等。

Often this will be the first 200 words on your page -- title tag, headings, abstract, and such.

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一个条目是惟一确定的、进行了时间戳处理的资源，具有元数据，比如标题、摘要和类别。

An entry is a uniquely identified, time-stamped resource with metadata such as title, summary, and categories.

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