Implementation of Collaborative Denoising Auto-Encoder (CDAE) with the Keras.

• Yao Wu, Christopher DuBois, Alice X. Zheng, Martin Ester. Collaborative Denoising Auto-Encoders for Top-N Recommender Systems. The 9th ACM International Conference on Web Search and Data Mining (WSDM'16), p153--162, 2016.
• F. Maxwell Harper and Joseph A. Konstan. 2015. The MovieLens Datasets: History and Context. ACM Transactions on Interactive Intelligent Systems (TiiS) 5, 4, Article 19 (December 2015), 19 pages.

First, install libraries:

pip install -r requirements.txt

Then,

# CPU
python train.py

# GPU
THEANO_FLAGS=device=gpu,floatX=float32 python train.py

• implement negative sampling
• change the way of init

MIT License Copyright (c) 2016 Tsukasa ŌMOTO