然后分别使用决策树、分类关联规则等技术对视频属性数据库进行数据挖掘，提取出决策树分类规则集和分类关联规则集；

Then the decision tree and class association rules mining are used on the video attribute database to extract a decision tree classification rule set and a class association rule set respectively.

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此次实验对HTML5的七个方面进行了对比：属性、音频、视频、canvas、getElementsByClassName、foreigncontent、以及xhtml5。

The tests cover seven aspects of HTML5 specifications: "attributes", "audio", "video", "canvas", "getElementsByClassName", "foreigncontent," and "xhtml5."

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<media:player> 元素的 url 属性保存视频播放器的 URL。

The url attribute of the <media:player> elements stores a URL for the video player.

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