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AI Assistant APP

Java Spring Licence

This project is an API built using Java, Java Spring, Langchain4j and LM Studio.

The app was developed for my Youtube Tutorial, to demonstrate how to create a simple AI Assistant using RAG technique.

Table of Contents

Installation

  1. Clone the repository:
git clone https://github.com/Fernanda-Kipper/ai-assistant-java
  1. Install dependencies with Maven

Usage

  1. Start the application with Maven
  2. The API will be accessible at http://localhost:8080
  3. Install LM Studio
  4. Download model Google's Gemma 2B Instruct
  5. Start LM Server

API Endpoints

The API provides the following endpoints:

GET USERS

POST /api/chat - Retrieve a list of all users.
{
  "message": "List 4 movies of the catalog that have Category Romance"
}
{
  "response": "The movies that have Category Romance are: - La La Land - Titanic"
}

RAG Knowledge Base

The Knowledge base used for retrieve context to RAG technique is the movies.txt located inside src/main/resources path

Movie Catalog
---

Movie: The Godfather
Year: 1972
Director: Francis Ford Coppola
Actors: Marlon Brando, Al Pacino, James Caan
Category: Action
Synopsis: The saga of the Corleone family in the Italian mafia of New York.
---

Movie: Fight Club
Year: 1999
Director: David Fincher
Actors: Brad Pitt, Edward Norton, Helena Bonham Carter
Category: Action
Synopsis: A disillusioned white-collar worker forms an underground fight club.
---

Movie: Forrest Gump
Year: 1994
Director: Robert Zemeckis
Actors: Tom Hanks, Robin Wright, Gary Sinise
Category: Comedy
Synopsis: The story of a man with low IQ who witnessed or influenced significant events of the 20th century in America, maintaining hope and love for his childhood passion, Jenny.
---

Movie: Titanic
Year: 1997
Director: James Cameron
Actors: Leonardo DiCaprio, Kate Winslet, Billy Zane
Category: Romance
Synopsis: A poor artist and a rich young woman meet and fall in love on the fateful voyage of the RMS Titanic.
---

Movie: La La Land
Year: 2016
Director: Damien Chazelle
Actors: Ryan Gosling, Emma Stone, John Legend
Category: Romance
Synopsis: A jazz musician and an aspiring actress fall in love while pursuing their dreams in a city known for crushing hopes and breaking hearts.
---

Contributing

Contributions are welcome! If you find any issues or have suggestions for improvements, please open an issue or submit a pull request to the repository.

When contributing to this project, please follow the existing code style, commit conventions, and submit your changes in a separate branch.

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AI Assistant using RAG technique to give contextualized responses

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