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arXiv 1609.08211cs.SD
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一个用于测量同伴领导的团队学习群体优势的鲁棒日志系统

A Robust Diarization System for Measuring Dominance in Peer-Led Team Learning Groups

Harishchandra Dubey, Abhijeet Sangwan, John H. L. Hansen

摘要:

同侪领导的团队学习(PLTL)是一种结构化的学习模式,其中一个团队领导者被任命为促进科学,技术,工程和数学(STEM)课程的学生之间的协作解决问题。提出了一种基于隐马尔可夫模型的说话人日志化系统。短会话的最小持续时间和参与学生的数量作为边信息提供给HMM系统。一种改进形式的贝叶斯信息准则(BIC)用于迭代合并和重新分割。最后,我们使用日志化输出来计算一种新的基于无监督声学分析的优势得分。

英文摘要:

Peer-Led Team Learning (PLTL) is a structured learning model where a team leader is appointed to facilitate collaborative problem solving among students for Science, Technology, Engineering and Mathematics (STEM) courses. This paper presents an informed HMM-based speaker diarization system. The minimum duration of short conversationalturns and number of participating students were fed as side information to the HMM system. A modified form of Bayesian Information Criterion (BIC) was used for iterative merging and re-segmentation. Finally, we used the diarization output to compute a novel dominance score based on unsupervised acoustic analysis.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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