This repository contains different implementations of a simple recommendation system as they were presented at Tech Meetup in Ostrava, 2018-03-21.
In addition, a benchmark dataset is available, so one can compare its custom implementation with the following results:
Model | Performance | Improvement
--------------+-------------+------------
Baseline | 0.91 |
No history | 2.34 | +257%
Normalization | 2.61 | +287%
Neighbours | 0.41 | -45%