TAILIEUCHUNG - Báo cáo khoa học: "Modeling Norms of Turn-Taking in Multi-Party Conversation"

Substantial research effort has been invested in recent decades into the computational study and automatic processing of multi-party conversation. While most aspects of conversational speech have benefited from a wide availability of analytic, computationally tractable techniques, only qualitative assessments are available for characterizing multi-party turn-taking. The current paper attempts to address this deficiency by first proposing a framework for computing turn-taking model perplexity, and then by evaluating several multi-participant modeling approaches. . | Modeling Norms of Turn-Taking in Multi-Party Conversation Kornel Laskowski Carnegie Mellon University Pittsburgh PA USA kornel@ Abstract Substantial research effort has been invested in recent decades into the computational study and automatic processing of multi-party conversation. While most aspects of conversational speech have benefited from a wide availability of analytic computationally tractable techniques only qualitative assessments are available for characterizing multi-party turn-taking. The current paper attempts to address this deficiency by first proposing a framework for computing turn-taking model perplexity and then by evaluating several multi-participant modeling approaches. Experiments show that direct multi-participant models do not generalize to held out data and likely never will for practical reasons. In contrast the Extended-Degree-of-Overlap model represents a suitable candidate for future work in this area and is shown to successfully predict the distribution of speech in time and across participants in previously unseen conversations. 1 Introduction Substantial research effort has been invested in recent decades into the computational study and automatic processing of multi-party conversation. Whereas sociolinguists might argue that multiparty settings provide for the most natural form of conversation and that dialogue and monologue are merely degenerate cases Jaffe and Feldstein 1970 computational approaches have found it most expedient to leverage past successes these often involved at most one speaker. Consequently even in multi-party settings automatic systems generally continue to treat participants independently fusing information across participants relatively late in processing. This state of affairs has resulted in the nearexclusion from computational consideration and from semantic analysis of a phenomenon which occurs at the lowest level of speech exchange namely the relative timing of the deployment of speech in .

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