kingzion24/tra_chatbot

TRA Chatbot - Tanzania Revenue Authority AI Assistant An intelligent chatbot system designed to provide accurate information about Tanzania Revenue Authority (TRA) regulations, tax procedures, and compliance requirements. Built with FastAPI backend and powered by advanced AI models for contextual understanding and response generation. TRA Chatbot - Tanzania Revenue Authority AI Assistant An intelligent chatbot system designed to provide accurate information about Tanzania Revenue Authority (TRA) regulations, tax procedures, and compliance requirements. Built with FastAPI backend and powered by advanced AI models for contextual understanding and response generation. Overview The TRA Chatbot leverages document processing, vector databases, and large language models to provide precise answers about: Tax registration procedures Import/export regulations Compliance requirements Payment processes Business registration guidelines Features Document Processing: Automatic extraction and indexing of PDF and DOCX files Vector Search: FAISS-based similarity search for relevant document retrieval Contextual Understanding: Multi-level query analysis and classification Session Management: Persistent conversation tracking with PostgreSQL Smart Summarization: Automatic conversation summarization for context retention Multi-Model AI: DeepSeek for reasoning and GPT-3.5 for summarization Tech Stack Backend FastAPI - Modern Python web framework PostgreSQL - Session and conversation storage FAISS - Vector database for document similarity search LangChain - AI/ML pipeline orchestration AI/ML Components HuggingFace Embeddings - sentence-transformers/paraphrase-mpnet-base-v2 DeepSeek R1 - Main reasoning and response generation GPT-3.5 Turbo - Conversation summarization OpenRouter API - LLM access layer Document Processing PyMuPDF (fitz) - PDF text extraction python-docx - DOCX document processing RecursiveCharacterTextSplitter - Document chunking