Kenula Rathnayake
I build AI tools that save businesses time
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Document AI — Chat With Any PDF (RAG System)
Built a full RAG (Retrieval-Augmented Generation) system that lets users upload any PDF and ask questions in natural language. Uses OpenAI embeddings, FAISS vector search, and GPT-4o-mini for accurate, sourced answers. Live demo available.
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Built a fully functional AI customer service chatbot for a restaurant
using Python, OpenAI GPT-4o-mini, and Streamlit. The chatbot handles
menu questions, reservation guidance, opening hours, and location info
in natural language with conversation memory.
GitHub: https://github.com/Jamesellixir/La-Bella-Cucina---Fictional-Restaurant-Chatbot-Template-
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