activity
20222026
most citedEarth AI: Unlocking Geospatial Insights with Foundation Models and Cross-Modal Reasoning

3 citations · 6 across the 13 of their papers we have counts for

collaborators

15 papers

cs.LG2026

Which Optimizer Leaks Most? Optimizer Implicit Bias as a Training-Data Privacy Controller

Sagi Habani, Yehonathan Refael, Ofir Lindenbaum

Releasing a neural network checkpoint can leak information about its training data, and existing reconstruction results rely on gradient-descent training. We ask whether the choice…

cs.LG2026

Train Less, Infer Faster: Efficient Model Finetuning and Compression via Structured Sparsity

Jonathan Svirsky, Yehonathan Refael, Ofir Lindenbaum

Fully finetuning foundation language models (LMs) with billions of parameters is often impractical due to high computational costs, memory requirements, and the risk of overfitting…

cs.LG2025★ 1 cited

On-the-Fly OVD Adaptation with FLAME: Few-shot Localization via Active Marginal-Samples Exploration

Yehonathan Refael, Amit Aides, Aviad Barzilai +5

Open-vocabulary object detection (OVD) models offer remarkable flexibility by detecting objects from arbitrary text queries. However, their zero-shot performance in specialized dom…

cs.CR2025

SLIP-SEC: Formalizing Secure Protocols for Model IP Protection

Racchit Jain, Satya Lokam, Yehonathan Refael +3

Large Language Models (LLMs) represent valuable intellectual property (IP), reflecting significant investments in training data, compute, and expertise. Deploying these models on p…

cs.AI2025★ 3 cited

Earth AI: Unlocking Geospatial Insights with Foundation Models and Cross-Modal Reasoning

Aaron Bell, Amit Aides, Amr Helmy +57

Geospatial data offers immense potential for understanding our planet. However, the sheer volume and diversity of this data along with its varied resolutions, timescales, and spars…

cs.LG2025

SUMO: Subspace-Aware Moment-Orthogonalization for Accelerating Memory-Efficient LLM Training

Yehonathan Refael, Guy Smorodinsky, Tom Tirer +1

Low-rank gradient-based optimization methods have significantly improved memory efficiency during the training of large language models (LLMs), enabling operations within constrain…

cs.CV2025★ 1 cited

A Recipe for Improving Remote Sensing VLM Zero Shot Generalization

Aviad Barzilai, Yotam Gigi, Amr Helmy +6

Foundation models have had a significant impact across various AI applications, enabling use cases that were previously impossible. Contrastive Visual Language Models (VLMs), in pa…

cs.LG2025

LORENZA: Enhancing Generalization in Low-Rank Gradient LLM Training via Efficient Zeroth-Order Adaptive SAM

Yehonathan Refael, Iftach Arbel, Ofir Lindenbaum +1

We study robust parameter-efficient fine-tuning (PEFT) techniques designed to improve accuracy and generalization while operating within strict computational and memory hardware co…

cs.LG2024

FineGates: LLMs Finetuning with Compression using Stochastic Gates

Jonathan Svirsky, Yehonathan Refael, Ofir Lindenbaum

Large Language Models (LLMs), with billions of parameters, present significant challenges for full finetuning due to the high computational demands, memory requirements, and imprac…

cs.CL2024★ 1 cited

TransformLLM: Adapting Large Language Models via LLM-Transformed Reading Comprehension Text

Iftach Arbel, Yehonathan Refael, Ofir Lindenbaum

Large Language Models (LLMs) have shown promise in highly-specialized domains, however challenges are still present in aspects of accuracy and costs. These limitations restrict the…

cs.LG2024

AdaRankGrad: Adaptive Gradient-Rank and Moments for Memory-Efficient LLMs Training and Fine-Tuning

Yehonathan Refael, Jonathan Svirsky, Boris Shustin +2

Training and fine-tuning large language models (LLMs) come with challenges related to memory and computational requirements due to the increasing size of the model weights and the…

cs.CR2024

SLIP: Securing LLMs IP Using Weights Decomposition

Yehonathan Refael, Adam Hakim, Lev Greenberg +6

Large language models (LLMs) have recently seen widespread adoption in both academia and industry. As these models grow, they become valuable intellectual property (IP), reflecting…

cs.LG2024

Unveiling Multiple Descents in Unsupervised Autoencoders

Kobi Rahimi, Yehonathan Refael, Tom Tirer +1

The phenomenon of double descent has challenged the traditional bias-variance trade-off in supervised learning but remains unexplored in unsupervised learning, with some studies ar…

cs.LG2022

Learning k-Level Structured Sparse Neural Networks Using Group Envelope Regularization

Yehonathan Refael, Iftach Arbel, Wasim Huleihel

The extensive need for computational resources poses a significant obstacle to deploying large-scale Deep Neural Networks (DNN) on devices with constrained resources. At the same t…

cs.LG2022

Mathematical Framework for Online Social Media Auditing

Wasim Huleihel, Yehonathan Refael

Social media platforms (SMPs) leverage algorithmic filtering (AF) as a means of selecting the content that constitutes a user's feed with the aim of maximizing their rewards. Selec…