Oscar Balcells Obeso

Undergrad student, ETHZ - ETH Zurich

Joined

May 2024

Names

Oscar Balcells Obeso (Preferred)

Emails

****@student.ethz.ch (Confirmed)

,

****@gmail.com

Personal Links

Career & Education History

Undergrad student

ETHZ - ETH Zurich (ethz.ch)

2020 – Present

Advisors, Relations & Conflicts

No relations added

Expertise

No areas of expertise listed

Publications

Real-Time Detection of Hallucinated Entities in Long-Form Generation
Oscar Balcells Obeso, Andy Arditi, Javier Ferrando, Joshua Freeman, Cameron Holmes, Neel Nanda
- Submitted to ICLR 2026
- Readers: Everyone
Do I Know This Entity? Knowledge Awareness and Hallucinations in Language Models
Javier Ferrando, Oscar Balcells Obeso, Senthooran Rajamanoharan, Neel Nanda
- ICLR 2025 Oral
- Readers: Everyone
Refusal in Language Models Is Mediated by a Single Direction
Andy Arditi, Oscar Balcells Obeso, Aaquib Syed, Daniel Paleka, Nina Panickssery, Wes Gurnee, Neel Nanda
- ICML 2024 MI Workshop Poster
- Readers: Everyone
Refusal in Language Models Is Mediated by a Single Direction
Andy Arditi, Oscar Balcells Obeso, Aaquib Syed, Daniel Paleka, Nina Rimsky, Wes Gurnee, Neel Nanda
- NeurIPS 2024 poster
- Readers: Everyone

Co-Authors