activity
20222026
collaborators

9 papers

cs.HC2026

Working Through Representation: Malleable Workspaces for Human-Agent Knowledge Work

Nan Chen, Long Ling, Luna K. Qiu +2

Generative AI supports knowledge work, yet conversational histories may not capture the evolving organization that guides subsequent action. We introduce the Malleable Workspace, a…

cs.AI2026

Agent Lightning v1.0: Towards Harnessed Agentic RL

Zhiyuan He, Siwei Zhang, Zhiwen Zhou +7

Modern agents operate inside agent harnesses that manage tools, context, and control flow, making the harness a critical part of the agent system. Our original Agent Lightning intr…

cs.HC2026

From Struggle to Success: Context-Aware Guidance for Screen Reader Users in Computer Use

Nan Chen, Jing Lu, Zilong Wang +3

Equal access to digital technologies is critical for education, employment, and social participation. However, mainstream interfaces are visually oriented, creating steep learning…

cs.AI2025

Agent Lightning: Train ANY AI Agents with Reinforcement Learning

Xufang Luo, Yuge Zhang, Zhiyuan He +5

We present Agent Lightning, a flexible and extensible framework that enables Reinforcement Learning (RL)-based training of Large Language Models (LLMs) for any AI agent. Unlike exi…

cs.HC2025

Screen Reader Programmers in the Vibe Coding Era: Adaptation, Empowerment, and New Accessibility Landscape

Nan Chen, Luna K. Qiu, Arran Zeyu Wang +2

Generative AI agents are reshaping human-computer interaction, shifting users from direct task execution to supervising machine-driven actions, especially the rise of "vibe coding"…

cs.AI2024

ReMe: Scaffolding Personalized Cognitive Training via Controllable LLM-Mediated Conversations

Zilong Wang, Nan Chen, Luna K. Qiu +6

Global aging calls for scalable and engaging cognitive interventions. Computerized cognitive training (CCT) is a promising non-pharmacological approach, yet many unsupervised progr…

cs.CL2024

Position Engineering: Boosting Large Language Models through Positional Information Manipulation

Zhiyuan He, Huiqiang Jiang, Zilong Wang +3

The performance of large language models (LLMs) is significantly influenced by the quality of the prompts provided. In response, researchers have developed enormous prompt engineer…

cs.CL2023

End-to-End Word-Level Pronunciation Assessment with MASK Pre-training

Yukang Liang, Kaitao Song, Shaoguang Mao +6

Pronunciation assessment is a major challenge in the computer-aided pronunciation training system, especially at the word (phoneme)-level. To obtain word (phoneme)-level scores, cu…

eess.AS2022

Improving Hypernasality Estimation with Automatic Speech Recognition in Cleft Palate Speech

Kaitao Song, Teng Wan, Bixia Wang +9

Hypernasality is an abnormal resonance in human speech production, especially in patients with craniofacial anomalies such as cleft palate. In clinical application, hypernasality e…