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Taking attendance has been widely used as a method to track students' academic behaviours. But conventional approaches are usually time consuming and inaccurate. In this paper, we have proposed an automated attendance tracking system, where students can use smartphones to submit attendance in parallel. Identity of a student is collaboratively verified by voiceprint and realtime location. Service isolation...
A visual design platform enables geographically dispersed users to cooperate with each other. This paper proposes a real-time collaborative framework for 3D design based on HTML5. By using this framework to build collaborative web applications, users can work collaboratively to assemble 3D components, expand the component library, and manage users and data. Moreover, the framework can also synchronize...
With the development of web technology, collaborative applications provide a platform for geographically dispersed users to data analysis in numerous domains. However, the data delay hinders the collaborative teamwork under the circumstance of unstable network environment. In order to reduce the latency of collaborative web visualization, this paper proposes a solution for visualization of trend data...
The design of industrial 3D product models involves multiple fields, spans numerous disciplines, and needs plenty of designers to participate in. In order to break the limit of designers' geographical separation and improve the efficiency of 3D design, a web system aiming at concurrently designing 3D models for distributed designers in different domains was developed. By introducing data replication...
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