activity
20242026
collaborators

81 papers

cs.AI2026

PCSD: Persistent Consistency for Self-Distillation in Agentic Reinforcement Learning

Chunji Lv, Yangguang Wei, Junlin Liu +6

Large language model agents have shown strong potential in complex interactive tasks, yet their reinforcement learning (RL) is often hindered by sparse rewards, as a long multi-tur…

cs.MA2026

CHILL-Harness: Counterfactual Harness Learning for Efficient Reasoning in Long-Horizon Agents

Jiarun Fu, Lizhong Ding, Sida Chen +6

Agent harnesses have become the operational infrastructure of modern large language model agents, coordinating context, tools, verification, and execution control to translate late…

cs.LG2026

Toward Federated Multimodal Graph Foundation Models: A Topology-Aware Multimodal Alignment Framework

Xunkai Li, Guohao Fu, Yuming Ai +4

Multimodal-attributed graphs (MAGs), whose nodes carry modalities such as images and text alongside topological structure, now pervade applications including social platforms, e-co…

cs.DS2026

Revisiting Maximum -Biplex Search Through -Bounded-Degree Deletion

Donghang Cui, Ronghua Li, Qiangqiang Dai +1

Biplex, as a relaxation of the biclique model, has emerged as an important cohesive subgraph model for bipartite graph analysis. The maximum -biplex search problem aims to ident…

cs.LG2026

FedLAB: Traceable Semantic Codebooks for Federated Multimodal Graph Foundation Learning

Zekai Chen, Kairui Yang, Xuaner Chen +4

Multimodal graph foundation models aim to learn reusable knowledge from graphs enriched with text, images, attributes, and relational topology, thereby supporting diverse graph-cen…

cs.DB2026

EcoTable: Cost-effective Table Integration in Data Lakes for Natural Language Queries

Yuhui Wang, Jinqi Liu, Chengliang Chai +8

The diverse formats of CSV and Parquet files in data lakes pose a significant challenge to traditional ETL, which relies on data engineers to pre-define a target database schema an…