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Yangliao Geng

5 accepted papers

2026

MOBO: A Merging-Oriented Bi-Level Optimization Framework for Class Incremental Learning

IJCAI 2026

Class-Incremental Learning (CIL) aims to enable models to sequentially learn new tasks while retaining knowledge from previous ones. Recently, merging-based pre-trained CIL methods have gained significant attention due to their competitive performance and high inference efficiency. However, most exi

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2026

Revisiting the Role of Pretrained Weights in Model Merging: On Near-Optimality within the Core Subspace

ICML 2026poster

Model merging offers an efficient solution for integrating task-specific knowledge from multiple fine-tuned models. Most existing approaches focus on manipulating the difference vectors between fine-tuned and pre-trained weights, often overlooking the generalization capabilities inherent in the pret…

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2025

CAT Merging: A Training-Free Approach for Resolving Conflicts in Model Merging

ICML 2025poster

Multi-task model merging offers a promising paradigm for integrating multiple expert models into a unified system without additional training. Existing state-of-the-art techniques, such as Task Arithmetic and its variants, merge models by accumulating task vectors—defined as the parameter difference…

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2025

DivGCL: A Graph Contrastive Learning Model for Diverse Recommendation

AAAI 2025technical

Graph Contrastive Learning (GCL), as a primary paradigm of graph self-supervised learning, spurs a fruitful line of research in tackling the data sparsity issue by maximizing the consistency of user/item embeddings between different augmented views with random perturbations. However, diversity, as a…

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2025

Towards Minimizing Feature Drift in Model Merging: Layer-wise Task Vector Fusion for Adaptive Knowledge Integration

NeurIPS 2025poster

Multi-task model merging aims to consolidate knowledge from multiple fine-tuned task-specific experts into a unified model while minimizing performance degradation. Existing methods primarily approach this by minimizing differences between task-specific experts and the unified model, either from a p…

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