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Pinzhen Chen

University of Edinburgh

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#artificial intelligence Preprint Sep 2026

Tracing Stereotypes from Representation to Output in Multilingual LLMs

To investigate internal mechanisms of linear probing, attribution patching, sparse autoencoders and feature ablation in Llama-3.1-8B, Qwen3-8B, and Gemma-2-9B, linear probing performance peaks substantially earlier than attribution in all three models.

Ariun-Erdene Tumurchuluun, Yusser Al Ghussin, Pinzhen Chen et al. · 0 citations

Last Translation Benchmark

The Last Translation Benchmark is introduced, a collection of human-authored and peer-reviewed examples that break leading machine translation models and a new evaluation approach: each example comes with handcrafted verification rules describing concrete failure cases on that example, therefore allowing reliable and a...

Vilém Zouhar, Niyati Bafna, Mukund Choudhary et al. · 0 citations
Open access Jul 2025

A3D-MoE: Acceleration of Large Language Models With Mixture of Experts via 3-D Heterogeneous Integration

A3D-MoE addresses large language models' challenges with 3-D heterogeneous integration to improve memory bandwidth and reduce NoC overhead/energy, and a hardware resource-aware operation fusion scheduler that fuses attention/MoE operations to boost performance.

Wei-Hsing Huang, Janak Sharda, Cheng-Jhih Shih et al. · 3 citations

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