18.2348, FYI: New Colloquium Series Tilburg University

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LINGUIST List: Vol-18-2348. Tue Aug 07 2007. ISSN: 1068 - 4875.

Subject: 18.2348, FYI: New Colloquium Series Tilburg University

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1)
Date: 06-Aug-2007
From: Marie Nilsenova < m.nilsenova at uvt.nl >
Subject: New Colloquium Series Tilburg University

 

	
-------------------------Message 1 ---------------------------------- 
Date: Tue, 07 Aug 2007 13:53:16
From: Marie Nilsenova [m.nilsenova at uvt.nl]
Subject: New Colloquium Series Tilburg University
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The Department of Communication and Information Sciences
at the Tilburg University will start a new colloquium 
series with a talk by

Julia Hirschberg
(Columbia University)

entitled 

Deception of speech

Everybody is welcome to attend.

Date: August 24, 2007
Time: 3 p.m. 
Place: Dante Building, room DZ8, Tilburg University

Abstract:
Deception of Speech
Julia Hirschberg (in collaboration with Frank Enos, 
Columbia University; Elizabeth Shriberg, Andreas Stolcke, 
and Martin Graciarena, SRI/ICSI; Stefan Benus, Brown 
University; and more)

This talk will discuss production and perception studies of 
deceptive speech and the acoustic/prosodic and lexical cues 
associated with deception.  Experiments in which we 
collected a large corpus of deceptive and non-deceptive 
speech from naive subjects in the laboratory are described, 
together with perception experiments of this corpus.  
Features extracted from this corpus have been used in 
Machine Learning experiments to predict deception with 
classification accuracy from 64.0- 66.4%, depending upon 
feature-set and learning algorithm. This performance 
compares favorably with the performance of human
judges on the same data and task, which averaged 58.2%.  We 
also discuss current findings on the role of personality 
factors in deception detection, speaker-dependent models of 
deception, and future research. 



Linguistic Field(s): Computational Linguistics
                     Discipline of Linguistics





 





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LINGUIST List: Vol-18-2348