An AI-powered platform that ingests text, PDFs, images, and audio to automatically extract content and metadata into a Neo4j knowledge graph. Combines vector-based semantic retrieval (via Qdrant) with graph and keyword search for fast, accurate, and context-aware information access. Designed for enterprise knowledge management and multimodal reasoning workflows.

Repo: https://github.com/andrewlau624/HybridMultiModalRAG

A hackathon project based on cultural food discovery connecting users with authentic Chinese restaurants. Educates users on traditional ingredients, provides personalized recommendations, and supports local businesses through AI-generated content and video recognition.

Devpost: https://devpost.com/software/chowtown

Repo: https://github.com/andrewlau624/chinatown-hacks-restaurant-project

A visual explanation of linear regression that shows how models learn from data and draw predictions using a best-fit line.

Repo: https://github.com/andrewlau624/linear-regression

3D raycasting is a computer graphics technique used to create a pseudo-3D perspective in 2D environments by tracing rays from the player's viewpoint to determine visible surfaces. This method efficiently simulates depth and distance and was famously used in early video games like Wolfenstein 3D to render realistic environments.

Repo: https://github.com/andrewlau624/3d-ray-casting

A fun project to impress my friends on a Roblox piano-playing game during quarantine.

Repo: https://github.com/andrewlau624/piano-visualizations-2-autoplayer

You can view Andrew Lau's resume at the link below!

Resume Link: https://docs.google.com/document/d/1TvYbQk8t6L7jwoTzvZzU9jAU1ztx2ec7pu2YPoqBsQw/edit?usp=sharing