Temporal Positive Collective Matrix Factorization for Interpretable Trend Analysis in Recommender Systems. - Tomofumi Hara; Yuki Sumiya; Kazuhide Nakata (ICDM (Workshops), 2023)

Zero-Inflated Poisson Tensor Factorization for Sparse Purchase Data in E-Commerce Markets. - Keisuke Mizutani; Ayaka Ueta; Ryota Ueda; Ray Oishi; Tomofumi Hara; Yuki Hoshino; Ken Kobayashi; Kazuhide Nakata (ICIEA-EU, 2024)

Trend Analysis with Interpretability and Cold-Start Problems for Recommender Systems. - Tomofumi Hara; Yuki Sumiya; Kazuhide Nakata (Rev. Socionetwork Strateg., 2024)