In this paper, an influence model is used to recognize functional roles played during meetings. Previous works on the same corpus demonstrated a high recognition accuracy using SVMs with RBF kernels. In this paper, we discuss the problems of that approach, mainly over-fitting, the curse of dimensionality and the inability to generalize to different group configurations. We present results obtained with an influence modeling method that avoid these problems and ensures both greater robustness and generalization capability. Copyright 2007 ACM.
Using the influence model to recognize functional roles in meetings / Dong, W.; Pentland, A.; Lepri, B.; Pianesi, F.; Cappelletti, A.; Zancanaro, M.. - (2007), pp. 271-278. (Intervento presentato al convegno 9th International Conference on Multimodal Interfaces, ICMI 2007 tenutosi a Nagoya, jpn nel 2007) [10.1145/1322192.1322239].
Using the influence model to recognize functional roles in meetings
Lepri B.;Pianesi F.;Zancanaro M.
2007-01-01
Abstract
In this paper, an influence model is used to recognize functional roles played during meetings. Previous works on the same corpus demonstrated a high recognition accuracy using SVMs with RBF kernels. In this paper, we discuss the problems of that approach, mainly over-fitting, the curse of dimensionality and the inability to generalize to different group configurations. We present results obtained with an influence modeling method that avoid these problems and ensures both greater robustness and generalization capability. Copyright 2007 ACM.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione
