# PRIS This is the source code for our www 2020 paper. The data input is a user-item matrix, stored as a mat file (matlab data file). We also provide some scripts for illustrated use. If you refer this code, please cite the follow paper. @inproceedings{lian20personalized, author = {Lian, Defu and Liu, Qi and Chen, Enhong}, title = {Personalized Ranking with Importance Sampling}, booktitle = {Proceedings of The Web Conference 2020}, pages = {1093–1103}, year = {2020}, location = {Taipei, Taiwan}, publisher = {Association for Computing Machinery}, }