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The repository consists of a recommendation engine that suggests movies to the users based on the genre and ratings previously received. Under the hood, a neural collaborative filtering technique has been implemented

License: Apache License 2.0

Jupyter Notebook 100.00%
neural-network keras-neural-networks pca pandas-dataframe sklearn-library numpy matplotlib-pyplot tensorflow2 movie movie-prediction neural-collaborative-filtering matrix-factorization recommender-system recommendation-engine movielens-movie-recommendation python3 pandas-library numpy-arrays relu-activation adam-optimizer

neural-network-movie-recommendation's Introduction

Neural Network based Movie Recommendation

Project Walkthrough

Movie recommendation is based on the neural collaborative filtering technique. Movielens dataset consisting of 100K records is analyzed.

Phase 1 - Data preprocessing

  1. Data Analysis and manipulation using pandas
  2. Data Visualization using matplotlib
  3. Test Train split

Phase 2 - Neural Network building

  1. Created movie embedding path
  2. Created user embedding path
  3. Concatenated movie and user vectors
  4. Weight initialization using the random uniform technique
  5. Added 5 fully connected layers with activation function as ReLu
  6. Adam optimizer used
  7. Model has complied

Phase 3 - Training

  1. Model is run for 18 epochs with verbosity 1
  2. Achieved loss of 0.6
  3. As seen below graph of Training error vs epoch, there is a reduction in error continuously after epoch=5

Screenshot 2021-07-18 at 10 28 31 PM

  1. Minimum RSE of 0.8 is at epoch 18

Phase 4 - Movies suggested to the user

Screenshot 2021-07-18 at 10 35 10 PM


Email - [email protected]
LinkedIn - https://www.linkedin.com/in/tejas-ta/
Blogs - https://tejasta.medium.com/


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neural-network-movie-recommendation's Issues

Dataset?

/content/drive/MyDrive/Recommendation System/data.csv
/content/drive/MyDrive/Recommendation System/movies.csv

Where to get the dataset?

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