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researcher

Xavier Fernandes

2 papers hereh-index 3184 citations3 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author1

Across the 1 of 2 papers where every author was matched, so the position is known.

fields
  • cs.CL1
  • cs.LG1

identity via Semantic Scholar / OpenAlex

collaborators

2 papers

cs.LG2025

Steering Language Model Refusal with Sparse Autoencoders

Kyle O'Brien, David Majercak, Xavier Fernandes +7

Responsible deployment of language models requires mechanisms for refusing unsafe prompts while preserving model performance. While most approaches modify model weights through add…

cs.CL2024

From Medprompt to o1: Exploration of Run-Time Strategies for Medical Challenge Problems and Beyond

Harsha Nori, Naoto Usuyama, Nicholas King +4

Run-time steering strategies like Medprompt are valuable for guiding large language models (LLMs) to top performance on challenging tasks. Medprompt demonstrates that a general LLM…

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