Liliana Hotsko

About

I am a Graduate Computer Science student at the University of Waterloo, supervized by Yuntian Deng. My research interests include Large Language Models, privacy‑preserving NLP, and agent systems.

Waterloo, ON, Canada · Open to research collaborations and internships.

Seleсted Works

LLM Anonymization Framework

PII masking RAG HE

A modular framework for pre‑LLM anonymization with transformer‑NER + LLM masking, encrypted vector search, and RAG evaluation. Supports English & Ukrainian, with a small UI for interactive testing.

GitHub Thesis

Hyper/LoRA vs Full‑FT (RepoBench)

Qwen2.5‑1.5B LoRA/Hypernetwork Profiling

Repository‑level QA fine‑tuning with custom masking and GPU memory profiling of LoRA, full FT, and a hypernetwork that generates LoRA weights. Focus on stable training & reproducibility.

MacTell — Open Interpreter

Swift Automation

Natural‑language control layer for macOS that executes actions (CLI, web, code, media). A unified interface to OS‑accessible tasks for productivity.

Preprint GitHub

Benchmarking: Monotonic GNNs

XAI GNNs

Extracted explanatory rules from Monotonic GNNs and analyzed how architecture & extraction parameters affect rule quality and performance.

GitHub Report

Contact

Email: lhotsko@uwaterloo.ca · GitHub: lilianahotsko · LinkedIn: Liliana Hotsko