3 papers
cs.CL2026
HEBATRON: A Hebrew-Specialized Open-Weight Mixture-of-Experts Language Model
Noam Kayzer, Dan Revital, Ori Bar Joseph +10
We present Hebatron, a Hebrew-specialized open-weight large language model built on the NVIDIA Nemotron-3 sparse Mixture-of-Experts architecture. Training employs a three-phase eas…
cs.IR2026
The Overlooked Role of Graded Relevance Thresholds in Multilingual Dense Retrieval
Tomer Wullach, Ori Shapira, Amir DN Cohen
Dense retrieval models are typically fine-tuned with contrastive learning objectives that require binary relevance judgments, even though relevance is inherently graded. We analyze…
cs.CL2025
Measuring the Effect of Transcription Noise on Downstream Language Understanding Tasks
Ori Shapira, Shlomo E. Chazan, Amir DN Cohen
With the increasing prevalence of recorded human speech, spoken language understanding (SLU) is essential for its efficient processing. In order to process the speech, it is common…