collaborators

6 papers

cs.LG2026

Correcting Stochastic Update Bias in Preconditioned Language Model Optimizers

Nikhil Nayak, Julia White, Urchade Zaratiana +7

Preconditioned optimizers are central to language model training, but their stochastic update rules are usually treated as direct approximations to population preconditioned descen…

cs.CL2026

GLiNER2-PII: A Multilingual Model for Personally Identifiable Information Extraction

Urchade Zaratiana, Ash Lewis, George Hurn-Maloney

Reliable detection of personally identifiable information (PII) is increasingly important across modern data-processing systems, yet the task remains difficult: PII spans are heter…

cs.CL2026

GLiGuard: Schema-Conditioned Classification for LLM Safeguard

Urchade Zaratiana, Mary Newhauser, George Hurn-Maloney +1

Ensuring safe, policy-compliant outputs from large language models requires real-time content moderation that can scale across multiple safety dimensions. However, state-of-the-art…

cs.AI2026

Pioneer Agent: Continual Improvement of Small Language Models in Production

Dhruv Atreja, Julia White, Nikhil Nayak +5

Small language models are attractive for production deployment due to their low cost, fast inference, and ease of specialization. However, adapting them to a specific task remains…

cs.CL2024

EnriCo: Enriched Representation and Globally Constrained Inference for Entity and Relation Extraction

Urchade Zaratiana, Nadi Tomeh, Yann Dauxais +2

Joint entity and relation extraction plays a pivotal role in various applications, notably in the construction of knowledge graphs. Despite recent progress, existing approaches oft…

cs.CL2024

GraphER: A Structure-aware Text-to-Graph Model for Entity and Relation Extraction

Urchade Zaratiana, Nadi Tomeh, Niama El Khbir +2

Information extraction (IE) is an important task in Natural Language Processing (NLP), involving the extraction of named entities and their relationships from unstructured text. In…