collaborators

5 papers

cs.LG2026

MaPPO: Maximum a Posteriori Preference Optimization with Prior Knowledge

Guangchen Lan, Sipeng Zhang, Tianle Wang +7

As the era of large language models (LLMs) unfolds, Preference Optimization (PO) methods have become a central approach to aligning LLMs with human preferences and improving perfor…

cs.CV2025

Object-Centric Data Synthesis for Category-level Object Detection

Vikhyat Agarwal, Jiayi Cora Guo, Declan Hoban +5

Deep learning approaches to object detection have achieved reliable detection of specific object classes in images. However, extending a model's detection capability to new object…

cs.CL2025

LaMPE: Length-aware Multi-grained Positional Encoding for Adaptive Long-context Scaling Without Training

Sikui Zhang, Guangze Gao, Ziyun Gan +5

Large language models (LLMs) experience significant performance degradation when the input exceeds the pretraining context window, primarily due to the out-of-distribution (OOD) be…

cs.CL2025

Dual Decomposition of Weights and Singular Value Low Rank Adaptation

Jialong Han, Si Zhang, Ke Zhang

Parameter-Efficient Fine-Tuning (PEFT) has emerged as a critical paradigm for adapting Large Language Models (LLMs) to downstream tasks, among which Low-rank Adaptation (LoRA) repr…

cs.CL2025

OSoRA: Output-Dimension and Singular-Value Initialized Low-Rank Adaptation

Jialong Han, Si Zhang, Ke Zhang

Fine-tuning Large Language Models (LLMs) has become increasingly challenging due to their massive scale and associated computational costs. Parameter-Efficient Fine-Tuning (PEFT) m…