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Context-aware Neural-based Dialog Act Classification On Automatically Generated Transcriptions

Abstract: 

This paper presents our latest investigations on dialog act (DA) classification on automatically generated transcriptions. We propose a novel approach that combines convolutional neural networks (CNNs) and conditional random fields (CRFs) for context modeling in DA classification. We explore the impact of transcriptions generated from different automatic speech recognition systems such as hybrid TDNN/HMM and End-to-End systems on the final performance. Experimental results on two benchmark datasets (MRDA and SwDA) show that the combination CNN and CRF improves consistently the accuracy. Furthermore, they show that although the word error rates are comparable, End-to-End ASR system seems to be more suitable for DA classification.

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Paper Details

Authors:
Daniel Ortega, Chia-Yu Li, Gisela Vallejo, Pavel Denisov, Ngoc Thang Vu
Submitted On:
10 May 2019 - 6:42am
Short Link:
Type:
Poster
Event:
Presenter's Name:
Daniel Ortega
Paper Code:
4510
Document Year:
2019
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Document Files

ICASSP_2019_Ortega_poster.pdf

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[1] Daniel Ortega, Chia-Yu Li, Gisela Vallejo, Pavel Denisov, Ngoc Thang Vu, "Context-aware Neural-based Dialog Act Classification On Automatically Generated Transcriptions", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4301. Accessed: Nov. 21, 2019.
@article{4301-19,
url = {http://sigport.org/4301},
author = {Daniel Ortega; Chia-Yu Li; Gisela Vallejo; Pavel Denisov; Ngoc Thang Vu },
publisher = {IEEE SigPort},
title = {Context-aware Neural-based Dialog Act Classification On Automatically Generated Transcriptions},
year = {2019} }
TY - EJOUR
T1 - Context-aware Neural-based Dialog Act Classification On Automatically Generated Transcriptions
AU - Daniel Ortega; Chia-Yu Li; Gisela Vallejo; Pavel Denisov; Ngoc Thang Vu
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4301
ER -
Daniel Ortega, Chia-Yu Li, Gisela Vallejo, Pavel Denisov, Ngoc Thang Vu. (2019). Context-aware Neural-based Dialog Act Classification On Automatically Generated Transcriptions. IEEE SigPort. http://sigport.org/4301
Daniel Ortega, Chia-Yu Li, Gisela Vallejo, Pavel Denisov, Ngoc Thang Vu, 2019. Context-aware Neural-based Dialog Act Classification On Automatically Generated Transcriptions. Available at: http://sigport.org/4301.
Daniel Ortega, Chia-Yu Li, Gisela Vallejo, Pavel Denisov, Ngoc Thang Vu. (2019). "Context-aware Neural-based Dialog Act Classification On Automatically Generated Transcriptions." Web.
1. Daniel Ortega, Chia-Yu Li, Gisela Vallejo, Pavel Denisov, Ngoc Thang Vu. Context-aware Neural-based Dialog Act Classification On Automatically Generated Transcriptions [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4301