This chatbot provides a user-friendly graphical interface (GUI) resembling a chat messenger, built using Python's tkinter library. Its core functionality relies on a pre-trained PyTorch model from the sentence-transformers library to understand the meaning of user questions. Instead of simple keyword matching, it uses semantic similarity to find the most relevant answer from its knowledge base.
Features
Key Features:
User-Friendly GUI: Presents a clean, interactive chat window where users can type questions and see bot responses. It includes a scrolling chat history and distinct colors for user and bot messages.
Expandable Knowledge Base: The chatbot's knowledge is stored in a simple JSON file (knowledge_base.json). This allows you to easily add new question-answer pairs by directly editing the file, making the system highly customizable and expandable.
Pre-trained Model for Basic Questions: It utilizes the all-MiniLM-L6-v2 Sentence Transformer model. This model is efficient and effective for understanding the intent behind a user's question, even if the exact phrasing isn't in the knowledge base, and matching it to the closest known question.
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