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Mengqi Liao

5 accepted papers

2026

LoRAGen: Structure-Aware Weight Space Learning for LoRA Generation

ICLR 2026poster

The widespread adoption of Low-Rank Adaptation (LoRA) for efficient fine-tuning of large language models has created demand for scalable parameter generation methods that can synthesize adaptation weights directly from task descriptions, avoiding costly task-specific training. We present LoRAGen, a…

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2025

CognTKE: A Cognitive Temporal Knowledge Extrapolation Framework

AAAI 2025technical

Reasoning future unknowable facts on temporal knowledge graphs (TKGs) is a challenging task, holding significant academic and practical values for various fields. Existing studies exploring explainable reasoning concentrate on modeling comprehensible temporal paths relevant to the query. Yet, these…

2025

Enhancing Efficiency and Exploration in Reinforcement Learning for LLMs

EMNLP 2025

Reasoning large language models (LLMs) excel in complex tasks, which has drawn significant attention to reinforcement learning (RL) for LLMs. However, existing approaches allocate an equal number of rollouts to all questions during the RL process, which is inefficient. This inefficiency stems from t

2025

HMoRA: Making LLMs More Effective with Hierarchical Mixture of LoRA Experts

ICLR 2025poster

Recent studies have combined Mixture of Experts (MoE) and Parameter-Efficient Fine-tuning (PEFT) to fine-tune large language models (LLMs), holding excellent performance in multi-task scenarios while remaining resource-efficient. However, existing MoE approaches still exhibit the following limitati…

2024

KPatch: Knowledge Patch to Pre-trained Language Model for Zero-Shot Stance Detection on Social Media

COLING 2024main

Zero-shot stance detection on social media (ZSSD-SM) aims to distinguish the attitude in tweets towards an unseen target. Previous work capture latent variables between source and target domains to perform this task, but the lack of context knowledge hinders the detection performance. Recent studies…