activity
20242026
collaborators

6 papers

cs.AI2026

AppDeltaWorld: Transition-Grounded Delta Code World Model for Mobile GUI Agents

Weikai Xu, Yunren Feng, Haoxiang Lei +6

Mobile GUI agents can operate apps through pixel perception and touch actions, making them a promising interface for collecting and improving long-horizon mobile interaction polici…

cs.CL2026

CoME: Empowering Channel-of-Mobile-Experts with Informative Hybrid-Capabilities Reasoning

Yuxuan Liu, Weikai Xu, Kun Huang +9

Mobile Agents can autonomously execute user instructions, which requires hybrid-capabilities reasoning, including screen summary, subtask planning, action decision and action funct…

cs.LG2025

More is not always better? Enhancing Many-Shot In-Context Learning with Differentiated and Reweighting Objectives

Xiaoqing Zhang, Ang Lv, Yuhan Liu +6

Large language models (LLMs) excel at few-shot in-context learning (ICL) without requiring parameter updates. However, as ICL demonstrations increase from a few to many, performanc…

cs.LG2024

CausalStock: Deep End-to-end Causal Discovery for News-driven Stock Movement Prediction

Shuqi Li, Yuebo Sun, Yuxin Lin +3

There are two issues in news-driven multi-stock movement prediction tasks that are not well solved in the existing works. On the one hand, "relation discovery" is a pivotal part wh…

cs.CL2024

"In Dialogues We Learn": Towards Personalized Dialogue Without Pre-defined Profiles through In-Dialogue Learning

Chuanqi Cheng, Quan Tu, Shuo Shang +4

Personalized dialogue systems have gained significant attention in recent years for their ability to generate responses in alignment with different personas. However, most existing…

cs.CL2024

MobileVLM: A Vision-Language Model for Better Intra- and Inter-UI Understanding

Qinzhuo Wu, Weikai Xu, Wei Liu +6

Recently, mobile AI agents based on VLMs have been gaining increasing attention. These works typically utilize VLM as a foundation, fine-tuning it with instruction-based mobile dat…