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Karthik Gopalakrishnan

EJ

"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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Generative Conversational Networks


Jun 15, 2021
Alexandros Papangelis, Karthik Gopalakrishnan, Aishwarya Padmakumar, Seokhwan Kim, Gokhan Tur, Dilek Hakkani-Tur

* SIGDial 2021 

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Throughput-Fairness Tradeoffs in Mobility Platforms


May 25, 2021
Arjun Balasingam, Karthik Gopalakrishnan, Radhika Mittal, Venkat Arun, Ahmed Saeed, Mohammad Alizadeh, Hamsa Balakrishnan, Hari Balakrishnan

* Technical report for paper to appear at ACM MobiSys 2021 

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VISITRON: Visual Semantics-Aligned Interactively Trained Object-Navigator


May 25, 2021
Ayush Shrivastava, Karthik Gopalakrishnan, Yang Liu, Robinson Piramuthu, Gokhan Tür, Devi Parikh, Dilek Hakkani-Tür

* Accepted at NAACL 2021, Visually Grounded Interaction and Language (ViGIL) Workshop 

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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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Sentiment Analysis Using Simplified Long Short-term Memory Recurrent Neural Networks


May 08, 2020
Karthik Gopalakrishnan, Fathi M. Salem

* 6 pages, 6 figures, 6 tables 

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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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