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researcher

Xavier Fernandes

4 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 author3

Across the 3 of 4 papers where every author was matched, so the position is known.

fields
  • cs.AI1
  • cs.CL1
  • cs.CR1
  • cs.LG1

identity via Semantic Scholar / OpenAlex

activity
20232026
most citedFrom Medprompt to o1: Exploration of Run-Time Strategies for Medical Challenge Problems and Beyond

9 citations · 16 across the 3 of their papers we have counts for

collaborators

4 papers

cs.AI2026

Training Language Models To Be Coherent Decision-Makers

Khurram Yamin, Xavier Fernandes, Paul Koch +2

Reliable decision-making requires more than accurate prediction: a model must preserve its beliefs, apply the relevant utilities, and recognize when the information needed to justi…

cs.CL2024★ 9 cited

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…

cs.LG2024

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.CR2023★ 7 cited

TrojanPuzzle: Covertly Poisoning Code-Suggestion Models

Hojjat Aghakhani, Wei Dai, Andre Manoel +7

With tools like GitHub Copilot, automatic code suggestion is no longer a dream in software engineering. These tools, based on large language models, are typically trained on massiv…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.