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# 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},
}