Meeting analysis indexing Content Analysis Computer-supported cooperative work
S Luz, The non-verbal structure of patient case discussions in multidisciplinary medical team meetings, ACM Transactions on Information Systems, 30, 4, 2012
ACM Transactions on Information Systems 30 4
Meeting analysis has a long theoretical tradition in social psychology, with established practical ramiﬁcations in computer science, especially in computer supported cooperative work. More recently, a good deal of research has focused on the issues of indexing and browsing multimedia records of meetings. Most research in this area, however, is still based on data collected in laboratories, under somewhat artiﬁcial conditions. This paper presents an analysis of the discourse structure and spontaneous interactions at real-life multidisciplinary medical team meetings held as part of the work routine in a major hospital. It is hypothesised that the conversational structure of these meetings, as indicated by sequencing and duration of vocalisations, enables segmentation into individual patient case discussions. The task of segmenting audio-visual records of multidisciplinary medical team meetings is described as a topic segmentation task, and a method for automatic segmentation is proposed. An empirical evaluation based on hand labelled data is presented which determines the optimal length of vocalisation sequences for segmentation, and establishes the competitiveness of the method with approaches based on more complex knowledge sources. The effectiveness of Bayesian classiﬁcation as a segmentation method, and its applicability to meeting segmentation in other domains are discussed
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