Problem & Solution

• Problem: Time-consuming text input, prone to typos
• Solution: Real-time next word prediction system
• Benefits:
  • Speeds up typing
  • Reduces errors
  • Enhances user experience

Model & Key Features

• Hybrid Model: Combines N-gram and FastText approaches
  • N-gram with Backoff: Captures local word patterns, handles unseen contexts
  • FastText: Understands word semantics, improves generalization
• Smoothing & Discounting: Laplace smoothing and backoff discounting for better probability estimates
• Real-time Prediction: Suggests next 5 words as you type
• Weighted Combination: Balances N-gram and FastText predictions for optimal results
• Current Language Support: English

Performance & Advantages

• Speed: Average prediction time < 100ms
• Memory Efficient: Uses less than 400MB RAM
• User-Friendly Interface: Intuitive Shiny app with real-time suggestions
• Visualization: Interactive bar chart shows model contributions and prediction probabilities
• Adaptability: Applicable to various text input scenarios

Demo & Conclusion

• Easy to use:
  1. Type your text
  2. See top 5 word predictions in real-time
  3. Click a prediction to auto-complete
  4. View probability distribution of predictions
• Next Steps:
  • Continuously improving with more data
  • Multilingual support
• Try it out & Learn more:
  • Shiny App: https://heesunc.shinyapps.io/next_word_predictor/
  • GitHub Repo: https://github.com/Heesun-C/Natural_Lang_Process.git

Experience smarter, faster typing with NextWord Predictor today!