collaborators

5 papers

cs.LG2026

GateMem: Benchmarking Memory Governance in Multi-Principal Shared-Memory Agents

Zhe Ren, Yibo Yang, Yimeng Chen +7

Memory benchmarks for LLM agents largely assume single-user settings, leaving shared assistants for hospitals, workplaces, campuses, and households understudied. In these deploymen…

cs.LG2026

Semi-Supervised Learning with Balanced Deep Representation Distributions

Changchun Li, Ximing Li, Bingjie Zhang +2

Semi-Supervised Text Classification (SSTC) mainly works under the spirit of self-training. They initialize the deep classifier by training over labeled texts; and then alternativel…

cs.AI2025

A Guardrail for Safety Preservation: When Safety-Sensitive Subspace Meets Harmful-Resistant Null-Space

Bingjie Zhang, Yibo Yang, Zhe Ren +4

Large language models (LLMs) have achieved remarkable success in diverse tasks, yet their safety alignment remains fragile during adaptation. Even when fine-tuning on benign data o…

cs.LG2025

Merging Smarter, Generalizing Better: Enhancing Model Merging on OOD Data

Bingjie Zhang, Hongkang Li, Changlong Shi +5

Multi-task learning (MTL) concurrently trains a model on diverse task datasets to exploit common features, thereby improving overall performance across the tasks. Recent studies ha…

cs.LG2025

FedAWA: Adaptive Optimization of Aggregation Weights in Federated Learning Using Client Vectors

Changlong Shi, He Zhao, Bingjie Zhang +3

Federated Learning (FL) has emerged as a promising framework for distributed machine learning, enabling collaborative model training without sharing local data, thereby preserving…