Publication

Discovering Group Nonverbal Conversational Patterns with Topics

2009
Conference Papers

Abstract

This paper addresses the problem of discovering conversa- tional group dynamics from nonverbal cues extracted from thin-slices of interaction. We first propose and analyze a novel thin-slice interaction descriptor - a bag of group non- verbal patterns - which robustly captures the turn-taking behavior of the members of a group while integrating its leader’s position. We then rely on probabilistic topic mod- eling of the interaction descriptors which, in a fully unsu- pervised way, is able to discover group interaction patterns that resemble prototypical leadership styles proposed in so- cial psychology. Our method, validated on the Augmented Multi-Party Interaction (AMI) meeting corpus, facilitates the retrieval of group conversational segments where seman- tically meaningful group behaviours emerge, without the need of any previous labeling.

Official source

https://infoscience.epfl.ch/entities/publication/17aa3e25-8366-4acf-a8d4-42a87df82d71

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2009
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/17aa3e25-8366-4acf-a8d4-42a87df82d71

About this result

Related concepts (22)

Group action

In mathematics, a group action on a space is a group homomorphism of a given group into the group of transformations of the space. Similarly, a group action on a mathematical structure is a group homomorphism of a group into the automorphism group of the structure. It is said that the group acts on the space or structure. If a group acts on a structure, it will usually also act on objects built from that structure. For example, the group of Euclidean isometries acts on Euclidean space and also on the figures drawn in it.

Group (mathematics)

In mathematics, a group is a non-empty set with an operation that satisfies the following constraints: the operation is associative, has an identity element, and every element of the set has an inverse element. Many mathematical structures are groups endowed with other properties. For example, the integers with the addition operation is an infinite group, which is generated by a single element called 1 (these properties characterize the integers in a unique way).

Group theory

In abstract algebra, group theory studies the algebraic structures known as groups. The concept of a group is central to abstract algebra: other well-known algebraic structures, such as rings, fields, and vector spaces, can all be seen as groups endowed with additional operations and axioms. Groups recur throughout mathematics, and the methods of group theory have influenced many parts of algebra. Linear algebraic groups and Lie groups are two branches of group theory that have experienced advances and have become subject areas in their own right.

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Discovering Group Nonverbal Conversational Patterns with Topics

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