Hangfan Zhang
5 papers · 2023–2026 · 5 venues · across top CS/AI venues
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Achievements
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Conference Polyglot · Silver
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Interdisciplinary Bridge · Bronze
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Taxonomy Completionist
(15)
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Hot Topic Early Bird
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The Questioner
Venues
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Research topics
Machine Learning
(4)
Artificial Intelligence
(3)
Deep Learning
(3)
Learning Types · Machine Learning
(3)
Architectures
(2)
Core AI
(2)
Computer Science
(1)
Reinforcement Learning
(1)
Applications
(1)
Core Methods
(1)
Learning Paradigms
(1)
Learning Types · Deep Learning
(1)
Methods
(1)
Optimization & Theory
(1)
Keywords
large language model
(2)
adversarial learning
(2)
backdoor attack
(2)
reinforcement learning from human feedback
(1)
model alignment
(1)
poisoning attack
(1)
model ensemble
(1)
proximal policy optimization
(1)
reward shaping
(1)
jailbreak attack
(1)
graph contrastive learning
(1)
large language model alignment
(1)
llm alignment
(1)
group relative policy optimization
(1)
repeated sampling
(1)
graph neural network
(1)
trigger optimization
(1)
test-time compute
(1)
group preference reward shaping
(1)
preference-based reward
(1)
Papers
Do We Truly Need So Many Samples? Multi-LLM Repeated Sampling Efficiently Scales Test-Time Compute
AAAI 2026
Reinforcement Learning for Large Language Models via Group Preference Reward Shaping
EMNLP 2025
Jailbreak Open-Sourced Large Language Models via Enforced Decoding
ACL 2024
A3FL: Adversarially Adaptive Backdoor Attacks to Federated Learning
NeurIPS 2023
Graph Contrastive Backdoor Attacks
ICML 2023