如果科学家们想要研究大型数据集，比如移动电话记录，搜索查询和电影评级相关的数据集，这些数据集的拥有者就需要在释放这些数据前进行数据匿名化处理。
If scientists are to study massive datasets such as mobile phone records, search queries and movie ratings, the owners of these datasets need to find a way to anonymize the data before releasing it.
考虑从即时消息日志、电话记录或其他来源中提取登录时间及活动时间，构建附加数据集及重叠数据集。
Consider extracting login and activity times from your instant messaging logs, phone records, or other sources to build additional and overlapping data sets.
配电故障管理信息系统是一个集客户来电管理、电话录音、数据库管理和网络通信的分布式管理系统。
Power distribution fault management information system consists of customer call on management, telephone recorder, data base management and net communication.
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