activity
20202026
most citedEVA2.0: Investigating Open-Domain Chinese Dialogue Systems with Large-Scale Pre-Training

21 citations · 46 across the 20 of their papers we have counts for

collaborators

20 papers

cs.CL2026

Improved Large Language Diffusion Models

Shen Nie, Qiyang Min, Shaoxuan Xu +7

Modern large language models are predominantly trained with autoregressive factorization and causal attention. We present \emph{iLLaDA}, an 8B masked diffusion language model train…

cs.CL2026

PhoneBuddy: Training Open Models for Agentic Phone Use

Zhengyang Tang, Xin Lai, Pengyuan Lyu +23

Phones are becoming an important execution surface for general-purpose agents, but training open models for reliable phone use remains difficult because the environment that matter…

cs.CL2026

Self-Recognition Finetuning can Prevent and Reverse Emergent Misalignment

Arush Tagade, Shaoheng Zhou, Jiaxin Wen +1

Emergent misalignment (EM) has been linked to the activation of misaligned persona vectors and evil character traits, suggesting that EM operates through disruption of the model's…

cs.CL2024

Unlocking Reasoning Potential in Large Langauge Models by Scaling Code-form Planning

Jiaxin Wen, Jian Guan, Hongning Wang +2

Despite the remarkable success of large language models (LLMs) on traditional natural language processing tasks, their planning ability remains a critical bottleneck in tackling co…

cs.CL2024★ 4 cited

Language Models Learn to Mislead Humans via RLHF

Jiaxin Wen, Ruiqi Zhong, Akbir Khan +6

Language models (LMs) can produce errors that are hard to detect for humans, especially when the task is complex. RLHF, the most popular post-training method, may exacerbate this p…

cs.CL2024★ 1 cited

Learning Task Decomposition to Assist Humans in Competitive Programming

Jiaxin Wen, Ruiqi Zhong, Pei Ke +3

When using language models (LMs) to solve complex problems, humans might struggle to understand the LM-generated solutions and repair the flawed ones. To assist humans in repairing…

cs.CL2023★ 1 cited

Unveiling the Implicit Toxicity in Large Language Models

Jiaxin Wen, Pei Ke, Hao Sun +4

The open-endedness of large language models (LLMs) combined with their impressive capabilities may lead to new safety issues when being exploited for malicious use. While recent st…

cs.CL2023

Ethicist: Targeted Training Data Extraction Through Loss Smoothed Soft Prompting and Calibrated Confidence Estimation

Zhexin Zhang, Jiaxin Wen, Minlie Huang

Large pre-trained language models achieve impressive results across many tasks. However, recent works point out that pre-trained language models may memorize a considerable fractio…

cs.CL2023

SSP: Self-Supervised Post-training for Conversational Search

Quan Tu, Shen Gao, Xiaolong Wu +3

Conversational search has been regarded as the next-generation search paradigm. Constrained by data scarcity, most existing methods distill the well-trained ad-hoc retriever to the…

cs.CL2023

ReDial: Retrieve, Reorganize and Rescale Dialogue Corpus for Long-Turn Open-Domain Dialogue Pre-training

Jiaxin Wen, Hao Zhou, Jian Guan +1

Pre-training on large-scale open-domain dialogue data can substantially improve the performance of dialogue models. However, the pre-trained dialogue model's ability to utilize lon…

cs.AI2022★ 3 cited

AutoCAD: Automatically Generating Counterfactuals for Mitigating Shortcut Learning

Jiaxin Wen, Yeshuang Zhu, Jinchao Zhang +2

Recent studies have shown the impressive efficacy of counterfactually augmented data (CAD) for reducing NLU models' reliance on spurious features and improving their generalizabili…

cs.CL2022★ 3 cited

Chatbots for Mental Health Support: Exploring the Impact of Emohaa on Reducing Mental Distress in China

Sahand Sabour, Wen Zhang, Xiyao Xiao +5

The growing demand for mental health support has highlighted the importance of conversational agents as human supporters worldwide and in China. These agents could increase availab…

cs.CV2022★ 2 cited

COTS: Collaborative Two-Stream Vision-Language Pre-Training Model for Cross-Modal Retrieval

Haoyu Lu, Nanyi Fei, Yuqi Huo +3

Large-scale single-stream pre-training has shown dramatic performance in image-text retrieval. Regrettably, it faces low inference efficiency due to heavy attention layers. Recentl…

cs.CL2022

Persona-Guided Planning for Controlling the Protagonist's Persona in Story Generation

Zhexin Zhang, Jiaxin Wen, Jian Guan +1

Endowing the protagonist with a specific personality is essential for writing an engaging story. In this paper, we aim to control the protagonist's persona in story generation, i.e…

cs.LG2022

A Roadmap for Big Model

Sha Yuan, Hanyu Zhao, Shuai Zhao +97

With the rapid development of deep learning, training Big Models (BMs) for multiple downstream tasks becomes a popular paradigm. Researchers have achieved various outcomes in the c…

cs.CL2022

There Are a Thousand Hamlets in a Thousand People's Eyes: Enhancing Knowledge-grounded Dialogue with Personal Memory

Tingchen Fu, Xueliang Zhao, Chongyang Tao +2

Knowledge-grounded conversation (KGC) shows great potential in building an engaging and knowledgeable chatbot, and knowledge selection is a key ingredient in it. However, previous…

cs.CL2022★ 1 cited

MISC: A MIxed Strategy-Aware Model Integrating COMET for Emotional Support Conversation

Quan Tu, Yanran Li, Jianwei Cui +3

Applying existing methods to emotional support conversation -- which provides valuable assistance to people who are in need -- has two major limitations: (a) they generally employ…

cs.CL2022★ 21 cited

EVA2.0: Investigating Open-Domain Chinese Dialogue Systems with Large-Scale Pre-Training

Yuxian Gu, Jiaxin Wen, Hao Sun +8

Large-scale pre-training has shown remarkable performance in building open-domain dialogue systems. However, previous works mainly focus on showing and evaluating the conversationa…

cs.CL2022★ 7 cited

AugESC: Dialogue Augmentation with Large Language Models for Emotional Support Conversation

Chujie Zheng, Sahand Sabour, Jiaxin Wen +2

Crowdsourced dialogue corpora are usually limited in scale and topic coverage due to the expensive cost of data curation. This would hinder the generalization of downstream dialogu…

cs.CL2020★ 3 cited

Robustness Testing of Language Understanding in Task-Oriented Dialog

Jiexi Liu, Ryuichi Takanobu, Jiaxin Wen +6

Most language understanding models in task-oriented dialog systems are trained on a small amount of annotated training data, and evaluated in a small set from the same distribution…