Hyperbolic Collaborative Filtering (CF) Embedding Library

This project includes an implementation of several CF models in tensorflow 2.0, including:

Euclidean models:

• SMFactor [1]

Hyperbolic models:

• HyperML [2]

[1] A simple matrix facrotization model following Funk, Simon: https://en.wikipedia.org/wiki/Matrix_factorization_(recommender_systems)#Funk_MF

[2] HyperML: A Boosting Metric Learning Approach in Hyperbolic Space for Recommender Systems, Tran Dang Quang Vinh, Yi Tay, Shuai Zhang, Gao Cong, Xiao-Li Li, WSDM 2020.