Tadanari Taniguchi, Ryozo Kitajima, Shinji Sakamoto, Masato Koizumi. A Sentiment Analysis of Data on Outings from Mothers with Infants and Toddlers during the COVID-19 Pandemic. Proceedings - 2023 6th International Conference on Data Storage and Data Engineering, DSDE 2023. 2023. 49-53
Tadanari Taniguchi, Ryozo Kitajima, Shinji Sakamoto, Masato Koizumi. Topic model analysis of attitudes of mothers with infants and toddlers toward travel before and after the COVID-19 pandemic. Journal of Global Tourism Research. 2022. 7. 2. 113-118
Ryozo Kitajima, Motoharu Nowada, Ryotaro Kamimura. Investigation of the relationship between geomagnetic activity and solar wind parameters based on a novel neural network (potential learning). Earth, Planets and Space. 2022. 74
Ryozo Kitajima, Ryotaro Kamimura, Hiroyuki Sakai. Relationship Between Management Policies and Profitability of Manufacturing Companies Listed in the First Section of the Tokyo Stock Exchange (2016 Results). Information Engineering Express. 2021. 7. 2. 59-69
Min-Max Cost and Information Control in Multi-Layered Neural Networks
(Future Technologies Conference 2022 (FTC 2022) 2022)
Forced Selective Information Reduction for Interpreting Multi- Layered Neural Networks
(11th International Congress on Advanced Applied Informatics (IIAI-AAI) 2021)