collaborators

5 papers

cs.CL2025

Enhancing Agentic Textual Graph Retrieval with Synthetic Stepwise Supervision

Ge Chang, Jinbo Su, Jiacheng Liu +7

Integrating textual graphs into Large Language Models (LLMs) is promising for complex graph-based QA. However, a key bottleneck is retrieving informative yet compact subgraphs that…

cs.AI2025

GRAIL:Learning to Interact with Large Knowledge Graphs for Retrieval Augmented Reasoning

Ge Chang, Jinbo Su, Jiacheng Liu +7

Large Language Models (LLMs) integrated with Retrieval-Augmented Generation (RAG) techniques have exhibited remarkable performance across a wide range of domains. However, existing…

cs.CR2025

Mobile GUI Agents under Real-world Threats: Are We There Yet?

Guohong Liu, Jialei Ye, Jiacheng Liu +5

Recent years have witnessed a rapid development of mobile GUI agents powered by large language models (LLMs), which can autonomously execute diverse device-control tasks based on n…

cs.AI2025

An Empirical Study of LLM Reasoning Ability Under Strict Output Length Constraint

Yi Sun, Han Wang, Jiaqiang Li +8

Recent work has demonstrated the remarkable potential of Large Language Models (LLMs) in test-time scaling. By making models think before answering, they are able to achieve much h…

cs.CL2024

ChainStream: An LLM-based Framework for Unified Synthetic Sensing

Jiacheng Liu, Yuanchun Li, Liangyan Li +5

Many applications demand context sensing to offer personalized and timely services. Yet, developing sensing programs can be challenging for developers and using them is privacy-con…