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AI/Education Technology

AI-Powered Learning Management System

Intelligent academic assistant using fine-tuned LLaMA 3.1-8B with RAG-based question generation for enhanced educational support

Model
LLaMA 3.1-8B
Accuracy
91% Precision
Response Time
1.8 seconds
Team Size
5 Members

Problem Statement

Traditional learning management systems face significant challenges in providing personalized, context-aware academic support. Students and faculty often struggle with accessing relevant institutional information, finding specific course details, and getting immediate responses to academic queries.

Key challenges in existing educational systems include:

  • Information Fragmentation: Academic resources scattered across multiple platforms and documents
  • Limited Accessibility: Lack of 24/7 support for student queries and academic guidance
  • Generic Responses: One-size-fits-all solutions that don't understand institutional context
  • Manual Knowledge Retrieval: Time-consuming searches through policies, course catalogs, and guidelines
  • Language Barriers: Limited support for natural language interaction and voice-based queries

Innovative AI Solution

We developed a sophisticated AI-powered LMS assistant that combines fine-tuned large language models with retrieval-augmented generation (RAG) to deliver accurate, context-aware academic support tailored specifically for RV College of Engineering.

Core Features:

🤖
Fine-tuned LLaMA 3.1-8B
Custom-trained model on RVCE-specific academic data using QLoRA optimization for domain expertise
🔍
RAG System
Real-time retrieval of relevant academic documents using FAISS vector search and embeddings
🗣️
Voice Interaction
Speech-to-text and text-to-speech capabilities for hands-free academic assistance
🔒
Local Deployment
Privacy-focused local execution using Ollama, ensuring data security and independence

Technical Stack:

Python LLaMA 3.1-8B PyTorch QLoRA FAISS Ollama React.js Node.js Tailwind CSS

Data Sources:

  • RVCE-Specific Dataset: Course details, faculty information, academic policies, student guidelines
  • Harvard Public Domain Corpus: General academic knowledge enhancement
  • Structured Documents: Machine-readable institutional resources with vector embeddings

System Architecture

The LMS assistant follows a modular architecture designed for scalability, efficiency, and privacy-focused deployment.

AI Processing Pipeline

👤
User Query
Text/Voice Input
🔍
RAG Retrieval
FAISS Vector Search
🧠
LLaMA Processing
Context-Aware Generation
💬
Response
Text/Voice Output

Key Components:

  • Frontend Interface: React.js with Tailwind CSS for responsive UI supporting text and voice interaction
  • Backend API: Node.js server handling query processing and AI model communication
  • AI Processing Unit: Fine-tuned LLaMA 3.1-8B model with integrated RAG system
  • Vector Database: FAISS-based storage for academic document embeddings
  • Local Deployment: Ollama framework for privacy-focused, offline operation

Performance Results

Through comprehensive evaluation and optimization, the AI-powered LMS assistant demonstrates exceptional performance in accuracy, speed, and user satisfaction for academic queries.

Model Performance Metrics:

91%
Precision
Correct responses accuracy
89%
Recall
Relevant information retrieval
90%
F1-Score
Balanced accuracy measure
93%
Retrieval Accuracy
FAISS vector search precision
1.8s
Response Time
Average query processing
16GB
Memory Usage
Optimized for local deployment

Optimization Achievements:

  • QLoRA Fine-tuning: Efficient model adaptation with minimal computational overhead
  • 4-bit Quantization: Reduced memory consumption while maintaining accuracy
  • Vector Compression: Optimized embedding storage for faster retrieval
  • Voice Integration: Seamless speech-to-text and text-to-speech functionality
  • Local Execution: Privacy-focused deployment without cloud dependency

Competitive Advantages:

  • Domain Specialization: Outperforms general AI models like GPT-3.5 in RVCE-specific queries
  • Privacy Protection: Local execution ensures sensitive academic data remains secure
  • Real-time Knowledge: RAG system provides up-to-date information retrieval
  • Multimodal Support: Text and voice interaction capabilities for accessibility

Technical Implementation

The project implements cutting-edge AI techniques combining fine-tuning, retrieval-augmented generation, and efficient deployment strategies for optimal performance.

Fine-tuning Process:

  • Dataset Preparation: Academic content formatted into question-answer pairs and context-based queries
  • QLoRA Optimization: Quantized Low-Rank Adaptation for efficient parameter updates
  • Hyperparameter Tuning: Optimized batch size, learning rate, and weight decay to prevent overfitting
  • Tokenization: Byte-Pair Encoding (BPE) for optimal language model input processing

RAG Implementation:

  • Embedding Generation: Academic documents converted to vector embeddings using Ollama models
  • Vector Database: FAISS indexing for fast similarity search and retrieval
  • Context Integration: Retrieved documents combined with queries for enhanced response generation
  • Real-time Processing: Dynamic knowledge retrieval for current and accurate information

System Requirements:

Hardware Specifications:

  • Processor: Intel i7/Ryzen 7 or Apple M-series
  • RAM: Minimum 16GB for optimal performance
  • Storage: 50GB SSD for model weights and embeddings
  • GPU: Optional NVIDIA RTX 3060+ for fine-tuning acceleration

Future Enhancements

The current system provides a solid foundation for advanced educational AI applications with several planned improvements and expansions.

Planned Improvements:

  • Dataset Expansion: Additional course materials, research papers, and institutional resources
  • Enhanced Voice Processing: Improved speech-to-text models with better accent recognition
  • Cloud Deployment: Scalable cloud-based version for broader institutional access
  • Multi-language Support: Expansion to support regional languages for diverse student populations
  • Advanced Analytics: Usage patterns analysis and personalized learning recommendations