activity
20182021
most citedConversational AI: The Science Behind the Alexa Prize

200 citations · 310 across the 6 of their papers we have counts for

collaborators

14 papers

cs.CL20211 cited

Commonsense-Focused Dialogues for Response Generation: An Empirical Study

Pei Zhou, Karthik Gopalakrishnan, Behnam Hedayatnia +5

Smooth and effective communication requires the ability to perform latent or explicit commonsense inference. Prior commonsense reasoning benchmarks (such as SocialIQA and Commonsen…

cs.CL2021

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

Ting-Yun Chang, Yang Liu, Karthik Gopalakrishnan +3

Pretrained language models have demonstrated outstanding performance in many NLP tasks recently. However, their social intelligence, which requires commonsense reasoning about the…

cs.CL2021

Incorporating Commonsense Knowledge Graph in Pretrained Models for Social Commonsense Tasks

Ting-Yun Chang, Yang Liu, Karthik Gopalakrishnan +3

Pretrained language models have excelled at many NLP tasks recently; however, their social intelligence is still unsatisfactory. To enable this, machines need to have a more genera…

cs.CL202037 cited

Overview of the Ninth Dialog System Technology Challenge: DSTC9

Chulaka Gunasekara, Seokhwan Kim, Luis Fernando D'Haro +36

This paper introduces the Ninth Dialog System Technology Challenge (DSTC-9). This edition of the DSTC focuses on applying end-to-end dialog technologies for four distinct tasks in…

cs.CL2020

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

Karthik Gopalakrishnan, Behnam Hedayatnia, Longshaokan Wang +2

Large end-to-end neural open-domain chatbots are becoming increasingly popular. However, research on building such chatbots has typically assumed that the user input is written in…

cs.CL2020

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

Seokhwan Kim, Mihail Eric, Karthik Gopalakrishnan +3

Most prior work on task-oriented dialogue systems are restricted to a limited coverage of domain APIs, while users oftentimes have domain related requests that are not covered by t…