Code from the following paper:
Pardos, Z.A., Jiang, W. (2020) Designing for Serendipity in a University Course Recommendation System. In K. Verbert, M. Scheffel, N. Pinkwart, & V. Kovanovic (Eds.) Proceedings of the 10th International Conference on Learning Analytics and Knowledge (LAK). ACM. Pages 350–359. https://doi.org/10.1145/3375462.3375524