@article{Liang:2016zu,
  author = "Liang, Xiaoxuan",
  title = "{The Principle and Improvement of the Algorithm of Matrix Factorization Model based on ALS}",
  doi = "10.22323/1.264.0035",
  journal = "PoS",
  year = 2016,
  volume = "ISCC2015",
  pages = "035"
}