Research

Two active research positions at the University of British Columbia

Transformer-Based Retrieval research visualization

Transformer-Based Retrieval

Dr. Jian Zhu · UBC · Dec 2025 – Present

Canadian AI 2026 · Responsible AI Track · Poster / 3MT

NSERC CREATE Scholarship

Investigating how reasoning integrates into late-interaction retrieval models, building on the ColBERT family of architectures to improve performance on complex, reasoning-intensive queries.

•••mBERTXLM-R

Multilingual Transformer Mapping

Dr. Isabel Papadimitriou · UBC · Jan 2025 – Present

Studying how multilingual transformers represent and align linguistic structure across languages — and what drives cross-lingual generalisation in models like mBERT and XLM-R.