activity
20182023
most citedBeyond Domain APIs: Task-oriented Conversational Modeling with Unstructured Knowledge Access Track in DSTC9

9 citations · 35 across the 21 of their papers we have counts for

collaborators

23 papers

cs.CL2023

CESAR: Automatic Induction of Compositional Instructions for Multi-turn Dialogs

Taha Aksu, Devamanyu Hazarika, Shikib Mehri +4

Instruction-based multitasking has played a critical role in the success of large language models (LLMs) in multi-turn dialog applications. While publicly available LLMs have shown…

cs.LG2023

EM-Network: Oracle Guided Self-distillation for Sequence Learning

Ji Won Yoon, Sunghwan Ahn, Hyeonseung Lee +3

We introduce EM-Network, a novel self-distillation approach that effectively leverages target information for supervised sequence-to-sequence (seq2seq) learning. In contrast to con…

eess.AS2023

MCR-Data2vec 2.0: Improving Self-supervised Speech Pre-training via Model-level Consistency Regularization

Ji Won Yoon, Seok Min Kim, Nam Soo Kim

Self-supervised learning (SSL) has shown significant progress in speech processing tasks. However, despite the intrinsic randomness in the Transformer structure, such as dropout va…

cs.CL2023

"What do others think?": Task-Oriented Conversational Modeling with Subjective Knowledge

Chao Zhao, Spandana Gella, Seokhwan Kim +7

Task-oriented Dialogue (TOD) Systems aim to build dialogue systems that assist users in accomplishing specific goals, such as booking a hotel or a restaurant. Traditional TODs rely…

cs.CL2023★ 3 cited

PLACES: Prompting Language Models for Social Conversation Synthesis

Maximillian Chen, Alexandros Papangelis, Chenyang Tao +5

Collecting high quality conversational data can be very expensive for most applications and infeasible for others due to privacy, ethical, or similar concerns. A promising directio…

cs.CL2023★ 1 cited

Selective In-Context Data Augmentation for Intent Detection using Pointwise V-Information

Yen-Ting Lin, Alexandros Papangelis, Seokhwan Kim +6

This work focuses on in-context data augmentation for intent detection. Having found that augmentation via in-context prompting of large pre-trained language models (PLMs) alone do…

cs.CL2022★ 7 cited

Weakly Supervised Data Augmentation Through Prompting for Dialogue Understanding

Maximillian Chen, Alexandros Papangelis, Chenyang Tao +5

Dialogue understanding tasks often necessitate abundant annotated data to achieve good performance and that presents challenges in low-resource settings. To alleviate this barrier,…

cs.CL2022★ 1 cited

Knowledge-Grounded Conversational Data Augmentation with Generative Conversational Networks

Yen-Ting Lin, Alexandros Papangelis, Seokhwan Kim +1

While rich, open-domain textual data are generally available and may include interesting phenomena (humor, sarcasm, empathy, etc.) most are designed for language processing tasks,…

cs.CL2022

Towards Textual Out-of-Domain Detection without In-Domain Labels

Di Jin, Shuyang Gao, Seokhwan Kim +2

In many real-world settings, machine learning models need to identify user inputs that are out-of-domain (OOD) so as to avoid performing wrong actions. This work focuses on a chall…

cs.CL2021

Training Conversational Agents with Generative Conversational Networks

Yen-Ting Lin, Alexandros Papangelis, Seokhwan Kim +1

Rich, open-domain textual data available on the web resulted in great advancements for language processing. However, while that data may be suitable for language processing tasks,…

cs.CL2021

Think Before You Speak: Explicitly Generating Implicit Commonsense Knowledge for Response Generation

Pei Zhou, Karthik Gopalakrishnan, Behnam Hedayatnia +5

Implicit knowledge, such as common sense, is key to fluid human conversations. Current neural response generation (RG) models are trained to generate responses directly, omitting u…

cs.CL2021★ 2 cited

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

Sashank Santhanam, Behnam Hedayatnia, Spandana Gella +4

Recently neural response generation models have leveraged large pre-trained transformer models and knowledge snippets to generate relevant and informative responses. However, this…

cs.CL2021★ 2 cited

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

Seokhwan Kim, Yang Liu, Di Jin +4

Most prior work in dialogue modeling has been on written conversations mostly because of existing data sets. However, written dialogues are not sufficient to fully capture the natu…

cs.CL2021★ 1 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

Towards Zero and Few-shot Knowledge-seeking Turn Detection in Task-orientated Dialogue Systems

Di Jin, Shuyang Gao, Seokhwan Kim +2

Most prior work on task-oriented dialogue systems is restricted to supporting domain APIs. However, users may have requests that are out of the scope of these APIs. This work focus…

cs.CL2021★ 1 cited

Generative Conversational Networks

Alexandros Papangelis, Karthik Gopalakrishnan, Aishwarya Padmakumar +3

Inspired by recent work in meta-learning and generative teaching networks, we propose a framework called Generative Conversational Networks, in which conversational agents learn to…

cs.CL2021

Kosp2e: Korean Speech to English Translation Corpus

Won Ik Cho, Seok Min Kim, Hyunchang Cho +1

Most speech-to-text (S2T) translation studies use English speech as a source, which makes it difficult for non-English speakers to take advantage of the S2T technologies. For some…

cs.CL2021

Can I Be of Further Assistance? Using Unstructured Knowledge Access to Improve Task-oriented Conversational Modeling

Di Jin, Seokhwan Kim, Dilek Hakkani-Tur

Most prior work on task-oriented dialogue systems are restricted to limited coverage of domain APIs. However, users oftentimes have requests that are out of the scope of these APIs…

cs.CL2021★ 9 cited

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

Seokhwan Kim, Mihail Eric, Behnam Hedayatnia +4

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…

cs.CL2019

Machines Getting with the Program: Understanding Intent Arguments of Non-Canonical Directives

Won Ik Cho, Young Ki Moon, Sangwhan Moon +2

Modern dialog managers face the challenge of having to fulfill human-level conversational skills as part of common user expectations, including but not limited to discourse with no…

cs.CL2019

On Measuring Gender Bias in Translation of Gender-neutral Pronouns

Won Ik Cho, Ji Won Kim, Seok Min Kim +1

Ethics regarding social bias has recently thrown striking issues in natural language processing. Especially for gender-related topics, the need for a system that reduces the model…

cs.CL2019★ 6 cited

Investigating an Effective Character-level Embedding in Korean Sentence Classification

Won Ik Cho, Seok Min Kim, Nam Soo Kim

Different from the writing systems of many Romance and Germanic languages, some languages or language families show complex conjunct forms in character composition. For such cases…

cs.CL2018★ 2 cited

Speech Intention Understanding in a Head-final Language: A Disambiguation Utilizing Intonation-dependency

Won Ik Cho, Hyeon Seung Lee, Ji Won Yoon +2

For a large portion of real-life utterances, the intention cannot be solely decided by either their semantic or syntactic characteristics. Although not all the sociolinguistic and…