The challenges of attendance tracking management include the need for flexible shift or roster plans, control of labor costs and real-time attendance monitoring and analysis.

企业要建立高效的考勤管理所面临的挑战包括：灵活合理的排班计划，劳动力成本的有效控制，实时的考勤数据审核和分析。

youdao

New event detection is an important research in the field of topic detection and tracking, and its task is real-time monitoring the stream of news stories and identifying the new topics in it.

新事件检测是话题检测与跟踪领域的一项重要研究，其任务是实时监控新闻报道流并从中识别新话题。

youdao

GPS positioning alarm system is the most advanced positioning alarm system, which can accomplish real-time monitoring in large range, real-time graphic display and continuous tracking.

GPS定位报警系统是目前实现大容量、大范围、实时监控、实时显示、连续跟踪最理想、最先进的定位报警系统，应用于交通管理，可以有效地维护交通安全。

youdao

That service is used by publishers to understand what topics are trending, and by companies to do real-time social media monitoring and brand tracking.

FORBES: Topsy Adds Google Plus To Real Time Search Index

For most spectators, the next eight to 12 days involve closely monitoring the race online with the assistance of real-time GPS tracking and video coverage from the trail checkpoints -- available on www.

CNN: Iditarod: A spectator's guide