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Real-time and generic queue time estimation based on mobile crowdsensing

Research output: Contribution to journalJournal article

  • Jiangtao Wang
  • Yasha Wang
  • Daqing Zhang
  • Leye Wang
  • Chao Chen
  • Jae Woong Lee
  • Yuanduo He
<mark>Journal publication date</mark>02/2017
Issue number1
Number of pages12
Pages (from-to)49-60
Publication StatusPublished
<mark>Original language</mark>English


People often have to queue for a busy service in many places around a city, and knowing the queue time can be helpful for making better activity plans to avoid long queues. Traditional solutions to the queue time monitoring are based on pre-deployed infrastructures, such as cameras and infrared sensors, which are costly and fail to deliver the queue time information to scattered citizens. This paper presents CrowdQTE, a mobile crowdsensing system, which utilizes the sensor-enhanced mobile devices and crowd human intelligence to monitor and provide real-time queue time information for various queuing scenarios. When people are waiting in a line, we utilize the accelerometer sensor data and
ambient contexts to automatically detect the queueing behavior and calculate the queue time. When people are not waiting in a line, it estimates the queue time based on the information reported manually by participants. We evaluate the performance of the system with a two-week and 12-person deployment using commercially-available smartphones. The results demonstrate that CrowdQTE is effective in estimating queuing status.