activity
20202023
most citedG-Eval: NLG Evaluation using GPT-4 with Better Human Alignment

88 citations · 212 across the 36 of their papers we have counts for

collaborators

38 papers

cs.LG2023★ 2 cited

Sparse Modular Activation for Efficient Sequence Modeling

Liliang Ren, Yang Liu, Shuohang Wang +3

Recent hybrid models combining Linear State Space Models (SSMs) with self-attention mechanisms have demonstrated impressive results across a range of sequence modeling tasks. Howev…

cs.CL2023

LMGQS: A Large-scale Dataset for Query-focused Summarization

Ruochen Xu, Song Wang, Yang Liu +5

Query-focused summarization (QFS) aims to extract or generate a summary of an input document that directly answers or is relevant to a given query. The lack of large-scale datasets…

cs.CL2023★ 1 cited

InheritSumm: A General, Versatile and Compact Summarizer by Distilling from GPT

Yichong Xu, Ruochen Xu, Dan Iter +4

While large models such as GPT-3 demonstrate exceptional performance in zeroshot and fewshot summarization tasks, their extensive serving and fine-tuning costs hinder their utiliza…

cs.CL2023★ 15 cited

Small Models are Valuable Plug-ins for Large Language Models

Canwen Xu, Yichong Xu, Shuohang Wang +3

Large language models (LLMs) such as GPT-3 and GPT-4 are powerful but their weights are often publicly unavailable and their immense sizes make the models difficult to be tuned wit…

cs.CL2023

In-Context Demonstration Selection with Cross Entropy Difference

Dan Iter, Reid Pryzant, Ruochen Xu +4

Large language models (LLMs) can use in-context demonstrations to improve performance on zero-shot tasks. However, selecting the best in-context examples is challenging because mod…

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★ 88 cited

G-Eval: NLG Evaluation using GPT-4 with Better Human Alignment

Yang Liu, Dan Iter, Yichong Xu +3

The quality of texts generated by natural language generation (NLG) systems is hard to measure automatically. Conventional reference-based metrics, such as BLEU and ROUGE, have bee…

cs.CL2023★ 1 cited

KILM: Knowledge Injection into Encoder-Decoder Language Models

Yan Xu, Mahdi Namazifar, Devamanyu Hazarika +3

Large pre-trained language models (PLMs) have been shown to retain implicit knowledge within their parameters. To enhance this implicit knowledge, we propose Knowledge Injection in…

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

Using In-Context Learning to Improve Dialogue Safety

Nicholas Meade, Spandana Gella, Devamanyu Hazarika +5

While large neural-based conversational models have become increasingly proficient dialogue agents, recent work has highlighted safety issues with these systems. For example, these…

cs.CL2022★ 1 cited

DialGuide: Aligning Dialogue Model Behavior with Developer Guidelines

Prakhar Gupta, Yang Liu, Di Jin +6

Dialogue models are able to generate coherent and fluent responses, but they can still be challenging to control and may produce non-engaging, unsafe results. This unpredictability…

cs.CV2022★ 8 cited

Unifying Vision, Text, and Layout for Universal Document Processing

Zineng Tang, Ziyi Yang, Guoxin Wang +6

We propose Universal Document Processing (UDOP), a foundation Document AI model which unifies text, image, and layout modalities together with varied task formats, including docume…

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★ 4 cited

UniSumm and SummZoo: Unified Model and Diverse Benchmark for Few-Shot Summarization

Yulong Chen, Yang Liu, Ruochen Xu +4

The high annotation costs and diverse demands of various summarization tasks motivate the development of few-shot summarization. However, despite the emergence of many summarizatio…

cs.CL2022★ 10 cited

Alexa, Let's Work Together: Introducing the First Alexa Prize TaskBot Challenge on Conversational Task Assistance

Anna Gottardi, Osman Ipek, Giuseppe Castellucci +27

Since its inception in 2016, the Alexa Prize program has enabled hundreds of university students to explore and compete to develop conversational agents through the SocialBot Grand…

cs.CL2022★ 1 cited

DialogSum Challenge: Results of the Dialogue Summarization Shared Task

Yulong Chen, Naihao Deng, Yang Liu +1

We report the results of DialogSum Challenge, the shared task on summarizing real-life scenario dialogues at INLG 2022. Four teams participate in this shared task and three submit…

cs.CL2022

A Systematic Evaluation of Response Selection for Open Domain Dialogue

Behnam Hedayatnia, Di Jin, Yang Liu +1

Recent progress on neural approaches for language processing has triggered a resurgence of interest on building intelligent open-domain chatbots. However, even the state-of-the-art…

cs.CL2022★ 1 cited

Improving Bot Response Contradiction Detection via Utterance Rewriting

Di Jin, Sijia Liu, Yang Liu +1

Though chatbots based on large neural models can often produce fluent responses in open domain conversations, one salient error type is contradiction or inconsistency with the prec…

cs.CL2022★ 3 cited

What is wrong with you?: Leveraging User Sentiment for Automatic Dialog Evaluation

Sarik Ghazarian, Behnam Hedayatnia, Alexandros Papangelis +2

Accurate automatic evaluation metrics for open-domain dialogs are in high demand. Existing model-based metrics for system response evaluation are trained on human annotated data, w…

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.CL2022

Multi-Sentence Knowledge Selection in Open-Domain Dialogue

Mihail Eric, Nicole Chartier, Behnam Hedayatnia +4

Incorporating external knowledge sources effectively in conversations is a longstanding problem in open-domain dialogue research. The existing literature on open-domain knowledge s…

cs.CL2022★ 2 cited

Unsupervised Multi-Granularity Summarization

Ming Zhong, Yang Liu, Suyu Ge +7

Text summarization is a user-preference based task, i.e., for one document, users often have different priorities for summary. As a key aspect of customization in summarization, gr…

cs.CL2021

Analyzing the Limits of Self-Supervision in Handling Bias in Language

Lisa Bauer, Karthik Gopalakrishnan, Spandana Gella +3

Prompting inputs with natural language task descriptions has emerged as a popular mechanism to elicit reasonably accurate outputs from large-scale generative language models with l…

cs.CL2021

User Response and Sentiment Prediction for Automatic Dialogue Evaluation

Sarik Ghazarian, Behnam Hedayatnia, Alexandros Papangelis +2

Automatic evaluation is beneficial for open-domain dialog system development. However, standard word-overlap metrics (BLEU, ROUGE) do not correlate well with human judgements of op…