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Rome was built in 1776: A Case Study on Factual Correctness in Knowledge-Grounded Response Generation


Oct 11, 2021
Sashank Santhanam, Behnam Hedayatnia, Spandana Gella, Aishwarya Padmakumar, Seokhwan Kim, Yang Liu, Dilek Hakkani-Tur


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"How Robust r u?": Evaluating Task-Oriented Dialogue Systems on Spoken Conversations


Sep 28, 2021
Seokhwan Kim, Yang Liu, Di Jin, Alexandros Papangelis, Karthik Gopalakrishnan, Behnam Hedayatnia, Dilek Hakkani-Tur

* To be presented at ASRU 2021 

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Commonsense-Focused Dialogues for Response Generation: An Empirical Study


Sep 21, 2021
Pei Zhou, Karthik Gopalakrishnan, Behnam Hedayatnia, Seokhwan Kim, Jay Pujara, Xiang Ren, Yang Liu, Dilek Hakkani-Tur

* Accepted at SIGDIAL 2021. 12 pages, 5 tables 

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Go Beyond Plain Fine-tuning: Improving Pretrained Models for Social Commonsense


May 12, 2021
Ting-Yun Chang, Yang Liu, Karthik Gopalakrishnan, Behnam Hedayatnia, Pei Zhou, Dilek Hakkani-Tur

* SLT 2021 

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Incorporating Commonsense Knowledge Graph in Pretrained Models for Social Commonsense Tasks


May 12, 2021
Ting-Yun Chang, Yang Liu, Karthik Gopalakrishnan, Behnam Hedayatnia, Pei Zhou, Dilek Hakkani-Tur

* EMNLP2020 Workshop 

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Beyond Domain APIs: Task-oriented Conversational Modeling with Unstructured Knowledge Access Track in DSTC9


Feb 04, 2021
Seokhwan Kim, Mihail Eric, Behnam Hedayatnia, Karthik Gopalakrishnan, Yang Liu, Chao-Wei Huang, Dilek Hakkani-Tur

* To be presented at AAAI-21 DSTC9 Workshop. arXiv admin note: substantial text overlap with arXiv:2006.03533, arXiv:2011.06486 

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Overview of the Ninth Dialog System Technology Challenge: DSTC9


Nov 12, 2020
Chulaka Gunasekara, Seokhwan Kim, Luis Fernando D'Haro, Abhinav Rastogi, Yun-Nung Chen, Mihail Eric, Behnam Hedayatnia, Karthik Gopalakrishnan, Yang Liu, Chao-Wei Huang, Dilek Hakkani-Tür, Jinchao Li, Qi Zhu, Lingxiao Luo, Lars Liden, Kaili Huang, Shahin Shayandeh, Runze Liang, Baolin Peng, Zheng Zhang, Swadheen Shukla, Minlie Huang, Jianfeng Gao, Shikib Mehri, Yulan Feng, Carla Gordon, Seyed Hossein Alavi, David Traum, Maxine Eskenazi, Ahmad Beirami, Eunjoon, Cho, Paul A. Crook, Ankita De, Alborz Geramifard, Satwik Kottur, Seungwhan Moon, Shivani Poddar, Rajen Subba


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Are Neural Open-Domain Dialog Systems Robust to Speech Recognition Errors in the Dialog History? An Empirical Study


Aug 18, 2020
Karthik Gopalakrishnan, Behnam Hedayatnia, Longshaokan Wang, Yang Liu, Dilek Hakkani-Tur

* Accepted at INTERSPEECH 2020. For dataset, see https://github.com/alexa/Topical-Chat/tree/master/TopicalChatASR/ 

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Policy-Driven Neural Response Generation for Knowledge-Grounded Dialogue Systems


Jun 09, 2020
Behnam Hedayatnia, Karthik Gopalakrishnan, Seokhwan Kim, Yang Liu, Mihail Eric, Dilek Hakkani-Tur

* Typos in Figure 2 and 6 Typo in author listing 

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Beyond Domain APIs: Task-oriented Conversational Modeling with Unstructured Knowledge Access


Jun 05, 2020
Seokhwan Kim, Mihail Eric, Karthik Gopalakrishnan, Behnam Hedayatnia, Yang Liu, Dilek Hakkani-Tur

* To be presented at SIGDIAL 2020 

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Towards Coherent and Engaging Spoken Dialog Response Generation Using Automatic Conversation Evaluators


May 02, 2019
Sanghyun Yi, Rahul Goel, Chandra Khatri, Alessandra Cervone, Tagyoung Chung, Behnam Hedayatnia, Anu Venkatesh, Raefer Gabriel, Dilek Hakkani-Tur


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Natural Language Generation at Scale: A Case Study for Open Domain Question Answering


Mar 19, 2019
Alessandra Cervone, Chandra Khatri, Rahul Goel, Behnam Hedayatnia, Anu Venkatesh, Dilek Hakkani-Tur, Raefer Gabriel


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Advancing the State of the Art in Open Domain Dialog Systems through the Alexa Prize


Dec 27, 2018
Chandra Khatri, Behnam Hedayatnia, Anu Venkatesh, Jeff Nunn, Yi Pan, Qing Liu, Han Song, Anna Gottardi, Sanjeev Kwatra, Sanju Pancholi, Ming Cheng, Qinglang Chen, Lauren Stubel, Karthik Gopalakrishnan, Kate Bland, Raefer Gabriel, Arindam Mandal, Dilek Hakkani-Tur, Gene Hwang, Nate Michel, Eric King, Rohit Prasad

* 2018 Alexa Prize Proceedings 

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Detecting Offensive Content in Open-domain Conversations using Two Stage Semi-supervision


Nov 30, 2018
Chandra Khatri, Behnam Hedayatnia, Rahul Goel, Anushree Venkatesh, Raefer Gabriel, Arindam Mandal

* NIPS CONVAI Workshop 2018 

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Contextual Topic Modeling For Dialog Systems


Oct 19, 2018
Chandra Khatri, Rahul Goel, Behnam Hedayatnia, Angeliki Metanillou, Anushree Venkatesh, Raefer Gabriel, Arindam Mandal


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Contextual Language Model Adaptation for Conversational Agents


Jul 31, 2018
Anirudh Raju, Behnam Hedayatnia, Linda Liu, Ankur Gandhe, Chandra Khatri, Angeliki Metallinou, Anu Venkatesh, Ariya Rastrow

* Interspeech 2018 (accepted) 

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On Evaluating and Comparing Conversational Agents


Jan 11, 2018
Anu Venkatesh, Chandra Khatri, Ashwin Ram, Fenfei Guo, Raefer Gabriel, Ashish Nagar, Rohit Prasad, Ming Cheng, Behnam Hedayatnia, Angeliki Metallinou, Rahul Goel, Shaohua Yang, Anirudh Raju

* NIPS.Workshop.ConversationalAI 2017-12-08 http://alborz-geramifard.com/workshops/nips17-Conversational-AI/Main.html accessed 2018-01-01 
* 10 pages, 5 tables. NIPS 2017 Conversational AI workshop. http://alborz-geramifard.com/workshops/nips17-Conversational-AI/Main.html 

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Conversational AI: The Science Behind the Alexa Prize


Jan 11, 2018
Ashwin Ram, Rohit Prasad, Chandra Khatri, Anu Venkatesh, Raefer Gabriel, Qing Liu, Jeff Nunn, Behnam Hedayatnia, Ming Cheng, Ashish Nagar, Eric King, Kate Bland, Amanda Wartick, Yi Pan, Han Song, Sk Jayadevan, Gene Hwang, Art Pettigrue

* Alexa.Prize.Proceedings https://developer.amazon.com/alexaprize/proceedings accessed (2018)-01-01 
* 18 pages, 5 figures, Alexa Prize Proceedings Paper (https://developer.amazon.com/alexaprize/proceedings), Alexa Prize University Competition to advance Conversational AI 

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