Hi, I'm Vincent Liu!

A full-stack web app that lets users upload PDFs (e.g., textbooks) to automatically generate flashcards for studying. Features include user authentication, responsive design, AI-driven flashcard generation, and a chatbot that uses a Retrieval-Augmented Generation (RAG) model to answer questions based solely on the user's uploaded content

A customer service chatbot designed to handle product inquiries and order-related tasks using LangChain, LangGraph, LiteLLM, and Aporia GuardRails. The Chatbot is designed to be integrated with Woocommerce (Wordpress) e-commerce sites with large product catalogs. Features include User intent detection, Management of dialogue context, Product recommendation, Product Lookup, Order Lookup, and Order Placement.

A progressive web app that works offline and provides a native-like experience on mobile devices. Features include a 2D knapsack algorithm for efficiently fitting the maximum amount of information within a user-defined page limit, a clean and user-friendly UI designed for students, an in-place rich text editor (with support for bullet points, numbered lists, etc.), automated text resizing, and image support (PNG, JPG) with both automatic and manual resizing options.