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🏢 University of Massachusetts Amherst

Thinking Forward: Memory-Efficient Federated Finetuning of Language Models
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Natural Language Processing Large Language Models 🏢 University of Massachusetts Amherst
SPRY: A memory-efficient federated learning algorithm for finetuning LLMs on resource-constrained devices, achieving high accuracy and speed.
OSLO: One-Shot Label-Only Membership Inference Attacks
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AI Theory Privacy 🏢 University of Massachusetts Amherst
One-shot label-only attack (OSLO) achieves high membership inference accuracy with only one query, surpassing existing methods by a large margin.
Learning Representations for Hierarchies with Minimal Support
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AI Theory Representation Learning 🏢 University of Massachusetts Amherst
Learn graph representations efficiently by identifying the minimal data needed to uniquely define a graph’s structure, achieving robust performance with fewer resources.
Hamiltonian Monte Carlo Inference of Marginalized Linear Mixed-Effects Models
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Machine Learning Deep Learning 🏢 University of Massachusetts Amherst
Accelerate Bayesian inference in linear mixed-effects models by efficiently marginalizing random effects using fast linear algebra, enabling faster and more accurate posterior estimations.
Gaussian Process Bandits for Top-k Recommendations
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Machine Learning Reinforcement Learning 🏢 University of Massachusetts Amherst
GP-TopK: A novel contextual bandit algorithm uses Gaussian processes with a Kendall kernel for efficient & accurate top-k recommendations, even with limited feedback.
Fair and Welfare-Efficient Constrained Multi-Matchings under Uncertainty
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AI Generated AI Theory Fairness 🏢 University of Massachusetts Amherst
This paper presents novel, scalable algorithms for fair and efficient constrained resource allocation under uncertainty using robust and CVaR optimization.
Attack-Resilient Image Watermarking Using Stable Diffusion
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Computer Vision Image Generation 🏢 University of Massachusetts Amherst
ZoDiac: a novel image watermarking framework leveraging pre-trained stable diffusion models for robust, invisible watermarks resistant to state-of-the-art attacks.