@article{LiLMR20,
  author    = {Hui Li and
               Ye Liu and
               Nikos Mamoulis and
               David S. Rosenblum},
  title     = {Translation-Based Sequential Recommendation for Complex Users on Sparse Data},
  journal   = {IEEE Transactions on Knowledge and Data Engineering},
  year      = {2020},
  volume    = {32},
  number    = {8},
  pages     = {1639--1651}
}

@article{LiLQMTC19,
  author    = {Hui Li and
               Yu Liu and
               Yuqiu Qian and
               Nikos Mamoulis and
               Wenting Tu and
               David W. Cheung},
  title     = {HHMF: Hidden Hierarchical Matrix Factorization for Recommender Systems},
  journal   = {Data Mining and Knowledge Discovery},
  volume    = {33},
  number    = {6},
  pages     = {1548--1582},
  year      = {2019}
}

@inproceedings{LiWTM15,
  author = {Hui Li and
            Dingming Wu and
            Wenbin Tang and
            Nikos Mamoulis},
  title = {Overlapping Community Regularization for Rating Prediction in Social
           Recommender Systems},
  booktitle = {RecSys},
  pages = {27--34},
  year = {2015}
}

@inproceedings{LiWM14,
  author = {Hui Li and
            Dingming Wu and
            Nikos Mamoulis},
  title = {A revisit to social network-based recommender systems},
  booktitle = {{SIGIR}},
  pages = {1239--1242},
  year = {2014}
}