Ziyu Lyu

6 papers · 2025–2026 · 5 venues · across top CS/AI venues

Authors are matched by name, so researchers who share a name ("Yang Liu", "Wei Wang") appear as a single profile and their paper counts, venues and achievements are combined. How identity is handled.

Achievements

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🌍 Conference Polyglot · Silver 🗺️ Taxonomy Completionist (11) ⭐ Rising Star (6)

Venues

AAAI (2) ACL (1) EMNLP (1) ICML (1) IJCAI (1)

Top co-authors

Lu Bai (6) Lixin Cui (6) Ming Li (4) Hangyuan Du (3) Edwin Hancock (3) Yue Wang (2) Yupeng Qi (2) Feifei Qian (1) Xinya Qin (1) Zhehan Zhao (1)

Research topics

Machine Learning (5) Deep Learning (4) Architectures (4) Core Methods (4) Artificial Intelligence (2) Core AI (2) Learning Types (1) Optimization & Theory (1) Techniques (1)

Keywords

graph neural network (4) graph classification (3) attention mechanism (2) model alignment (1) mixture of expert (1) hierarchical feature (1) expert routing (1) graph kernel (1) graph autoencoder (1) jensen-shannon divergence (1) hierarchical pooling (1) graph pooling (1) kernel methods (1) large language model (1) over-squashing problem (1) subgraph convolution (1) adaptive contrastive decoding (1) refusal ratio (1) edge-node attention (1) representation learning (1)

Papers

Please refuse to answer me! Mitigating Over-Refusal in Large Language Models via Adaptive Contrastive Decoding ACL 2026 SSHPool: The Separated Subgraph-based Hierarchical Pooling AAAI 2026 DHAKR: Learning Deep Hierarchical Attention-Based Kernelized Representations for Graph Classification AAAI 2025 DHTAGK: Deep Hierarchical Transitive-Aligned Graph Kernels for Graph Classification IJCAI 2025 ENAHPool: The Edge-Node Attention-based Hierarchical Pooling for Graph Neural Networks ICML 2025 MidPO: Dual Preference Optimization for Safety and Helpfulness in Large Language Models via a Mixture of Experts Framework EMNLP 2025