Experiment shows that this method can identify essays off the topic effectively with a reasonable threshold value of content similarity.

实验表明，通过设置合理的相似度阈值，该方法能够有效识别跑题作文。

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ImgSeek searches images by content, keyword, and similarity.

imgSeek可以按内容、关键字和相似性搜索图像。

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For the first, content-based analysis, content associated with the item, especially text, is used to compute similarity.

第一种，基于内容文本的检索，和item相关的内容，特别是文字，可用来计算相似性。

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