collaborators

10 papers

cs.AI2026

Teaching Values to Machines: Simulating Human-Like Behavior in LLMs

Asaf Yehudai, Naama Rozen, Ariel Gera

Large Language Models (LLMs) demonstrate a remarkable capacity to adopt different personas and roles; however, it remains unclear whether they can manifest behavior that adheres to…

cs.CL2026

WildIFEval: Instruction Following in the Wild

Gili Lior, Asaf Yehudai, Ariel Gera +1

Recent LLMs have shown remarkable success in following user instructions, yet handling instructions with multiple constraints remains a significant challenge. In this work, we intr…

cs.LG2026

Flash-GMM: A Memory-Efficient Kernel for Scalable Soft Clustering

Gal Bloch, Ariel Gera, Matan Orbach +2

We present \textbf{Flash-GMM}, a fused Triton kernel for efficient computation of Gaussian Mixture Models (GMMs) over large-scale data in a single GPU pass. By eliminating the need…

cs.CL2026

Task-Adaptive Embedding Refinement via Test-time LLM Guidance

Ariel Gera, Shir Ashury-Tahan, Gal Bloch +2

We explore the effectiveness of an LLM-guided query refinement paradigm for extending the usability of embedding models to challenging zero-shot search and classification tasks. Ou…

cs.CL2026

Guided Query Refinement: Multimodal Hybrid Retrieval with Test-Time Optimization

Omri Uzan, Asaf Yehudai, Roi pony +2

Multimodal encoders have pushed the boundaries of visual document retrieval, matching textual query tokens directly to image patches and achieving state-of-the-art performance on p…

cs.CL2026

The Mighty ToRR: A Benchmark for Table Reasoning and Robustness

Shir Ashury-Tahan, Yifan Mai, Rajmohan C +8

Despite its real-world significance, model performance on tabular data remains underexplored, leaving uncertainty about which model to rely on and which prompt configuration to ado…