activity
20192026
most citedReasonable Effectiveness of Random Weighting: A Litmus Test for Multi-Task Learning

39 citations · 107 across the 19 of their papers we have counts for

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Showing cs.LGShow all

13 papers · 1 filter

cs.LG2026

Policy and World Modeling Co-Training for Language Agents

Ning Lu, Baijiong Lin, Shengcai Liu +9

Reinforcement learning (RL) improves large language model (LLM) agents by teaching them which actions lead to high rewards, but provides little supervision on what those actions do…

cs.LG2026

RAIN-Merging: A Gradient-Free Method to Enhance Instruction Following in Large Reasoning Models with Preserved Thinking Format

Zhehao Huang, Yuhang Liu, Baijiong Lin +5

Large reasoning models (LRMs) excel at a long chain of reasoning but often fail to faithfully follow instructions regarding output format, constraints, or specific requirements. We…

cs.LG2025

VL-RouterBench: A Benchmark for Vision-Language Model Routing

Zhehao Huang, Baijiong Lin, Jingyuan Zhang +5

Multi-model routing has evolved from an engineering technique into essential infrastructure, yet existing work lacks a systematic, reproducible benchmark for evaluating vision-lang…

cs.LG2025

PARM: Multi-Objective Test-Time Alignment via Preference-Aware Autoregressive Reward Model

Baijiong Lin, Weisen Jiang, Yuancheng Xu +2

Multi-objective test-time alignment aims to adapt large language models (LLMs) to diverse multi-dimensional user preferences during inference while keeping LLMs frozen. Recently, G…

cs.LG2025★ 1 cited

Gradient-Based Multi-Objective Deep Learning: Algorithms, Theories, Applications, and Beyond

Weiyu Chen, Baijiong Lin, Xiaoyuan Zhang +4

Many modern deep learning applications require balancing multiple objectives that are often conflicting. Examples include multi-task learning, fairness-aware learning, and the alig…

cs.LG2024

RouterDC: Query-Based Router by Dual Contrastive Learning for Assembling Large Language Models

Shuhao Chen, Weisen Jiang, Baijiong Lin +2

Recent works show that assembling multiple off-the-shelf large language models (LLMs) can harness their complementary abilities. To achieve this, routing is a promising method, whi…

cs.LG2024

A First-Order Multi-Gradient Algorithm for Multi-Objective Bi-Level Optimization

Feiyang Ye, Baijiong Lin, Xiaofeng Cao +2

In this paper, we study the Multi-Objective Bi-Level Optimization (MOBLO) problem, where the upper-level subproblem is a multi-objective optimization problem and the lower-level su…

cs.LG2023★ 2 cited

BYOM: Building Your Own Multi-Task Model For Free

Weisen Jiang, Baijiong Lin, Han Shi +3

Recently, various merging methods have been proposed to build a multi-task model from task-specific finetuned models without retraining. However, existing methods suffer from a lar…

cs.LG2023★ 5 cited

Dual-Balancing for Multi-Task Learning

Baijiong Lin, Weisen Jiang, Feiyang Ye +6

Multi-task learning aims to learn multiple related tasks simultaneously and has achieved great success in various fields. However, the disparity in loss and gradient scales among t…

cs.LG2022★ 17 cited

LibMTL: A Python Library for Multi-Task Learning

Baijiong Lin, Yu Zhang

This paper presents LibMTL, an open-source Python library built on PyTorch, which provides a unified, comprehensive, reproducible, and extensible implementation framework for Multi…

cs.LG2021★ 39 cited

Reasonable Effectiveness of Random Weighting: A Litmus Test for Multi-Task Learning

Baijiong Lin, Feiyang Ye, Yu Zhang +1

Multi-Task Learning (MTL) has achieved success in various fields. However, how to balance different tasks to achieve good performance is a key problem. To achieve the task balancin…

cs.LG2021★ 8 cited

Multi-Objective Meta Learning

Feiyang Ye, Baijiong Lin, Zhixiong Yue +3

Meta learning with multiple objectives can be formulated as a Multi-Objective Bi-Level optimization Problem (MOBLP) where the upper-level subproblem is to solve several possible co…

cs.LG2020★ 3 cited

Effective, Efficient and Robust Neural Architecture Search

Zhixiong Yue, Baijiong Lin, Xiaonan Huang +1

Recent advances in adversarial attacks show the vulnerability of deep neural networks searched by Neural Architecture Search (NAS). Although NAS methods can find network architectu…