Ilias Azizi

Postdoctoral Researcher · Vector Search & AI Retrieval Systems

I work on scalable vector search, graph-based approximate nearest neighbor search, and efficient retrieval systems for modern AI applications. My research spans algorithm design, large-scale experimentation, and high-performance vector indexing.

Research

My research focuses on building scalable and efficient systems for searching high-dimensional vector collections, with particular emphasis on graph-based indexing and billion-scale retrieval.

Vector Search Approximate Nearest Neighbor Search Graph-Based ANN Vector Databases Large-Scale Retrieval High-Dimensional Data Efficient AI Systems

Selected Publications & Tutorials

Experience

Postdoctoral Researcher · Université Paris Cité

2026 – Present · Paris, France

Research on scalable graph-based vector search, efficient ANN indexing, and large-scale similarity search systems.

Postdoctoral Researcher · CNRS / ETIS

2025 – 2026 · Cergy, France

Research on scalable and energy-efficient vector retrieval systems and graph-based ANN algorithms.

Applied Scientist Intern · Amazon AGI

2024 · Los Angeles, USA

Worked on large-scale graph-based vector search, indexing algorithms, and billion-scale retrieval optimization.

PhD Researcher · Université Paris Cité & UM6P

2020 – 2024

PhD on scalable high-dimensional vector similarity search, including graph-based ANN indexing and billion-scale retrieval.

Machine Learning Engineer · Farasha Systems

2019 · Morocco

Developed machine-learning models for predictive maintenance in industrial solar-energy systems.

Selected Talks & Teaching

ADBIS 2026 Tutorial — Navigating the Vector Search Landscape
Meta FAISS Graph-based similarity search and ELPIS
VLDB Billion-scale vector search and graph-based indexing
Amazon AGI Scalable similarity search and graph-based retrieval
Université Paris Dauphine – ENS Lecture on vector databases and graph-based vector search
ENSEA Vector database management systems

Interested in vector search?

I am interested in collaborations around vector databases, graph-based ANN, scalable retrieval, and efficient AI systems.

azizii.ilias@gmail.com →