However, in practical applications such as computer aided diagnosis (CAD) of medical images, unlabeled data are readily available but labeled data are fairly expensive to obtain because they require human effort.
但在计算机辅助医学图像诊断等实际应用中,对数据进行人工标记的代价很高,容易获取的是大量无标记数据。
参考来源 - 基于“合作—参与”计算认知模型的半监督学习算法研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
用客户机信息标记数据库连接。
首先，它要求我们标记数据，以便随后我们可以确定数据的日期。
First, it requires us to mark the data so that we can later determine how old it is.
要在这里利用标记特性，您需要用客户机信息来标记数据库连接。
To leverage the tagging feature here, you will need to tag the database connection with client information.
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