We have already taken some steps along this journey: much of the digital media we create can now be "tagged", that is, assigned keywords which provide context and semantic value for the media.

我们已经在这次征程之中迈开了步子：大多数我们创造的数字媒体现在都能贴上标签(即为媒体提供背景和语义价值的某些特定关键词)，让人们识别。

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Several tech companies, including Google, have been talking about the potential value in images posted in real-time and tagged with location.

几个高科技公司，包括Google，注意到了实时上传图片的潜在价值。

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Raw RFID read events include the EPC value of a tagged item, the time the EPC was read, and the ID of the reader that read the EPC.

原始rfid读事件包括带标记药品的epc值、读取epc的时间和EPC读取器的ID。

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