| 2023 | MEDES | Time-Series Estimation of the Best Time to View Seasonal Organisms Using Geotagged Tweets and Co-occurring Words. | Yusuke Takamori, Junya Sato, Ryoga Sato, Asahi Iha, Masaki Endo, Kenji Terada, Shigeyoshi Ohno, Hiroshi Ishikawa |
| 2021 | MEDES | Numerical estimation of new COVID-19 positive cases using time series analysis by machine learning. | Yusuke Takamori, Riku Watanabe, Daiju Kato, Masaki Endo, Hiroshi Ishikawa |
| 2019 | IIWAS | Tourism application with CNN-Based Classification specialized for cultural information. | Takuma Hirotsu, Masaharu Hirota, Tetsuya Araki, Masaki Endo, Hiroshi Ishikawa |
| 2019 | MEDES | Applications of Generalized Difference Method for Hypothesis Generation to Social Big Data in Concept and Real Spaces. | Hiroshi Ishikawa, Daiju Kato, Masaki Endo, Masaharu Hirota |
| 2019 | MEDES | Generating Distributed Representation of User Movement for Extracting Detour Spots. | Masaharu Hirota, Tetsuya Oda, Masaki Endo, Hiroshi Ishikawa |
| 2018 | IUI | Utilization of Information Interpolation using Geotagged Tweets. | Masaki Endo, Masaharu Hirota, Hiroshi Ishikawa |
| 2018 | MEDES | Generalized difference method for generating integrated hypotheses in social big data. | Hiroshi Ishikawa, Daiju Kato, Masaki Endo, Masaharu Hirota |
| 2018 | MEDES | Predicting user gender on social media sites using geographical information. | Rio Miura, Masaharu Hirota, Daiju Kato, Tetsuya Araki, Masaki Endo, Hiroshi Ishikawa |
| 2017 | IJCAI | Multilingualization of Restaurant Menu by Analogical Description. | Kensuke Nobumoto, Daiju Kato, Masaki Endo, Masaharu Hirota, Hiroshi Ishikawa |
| 2017 | MEDES | Analyzing Travel Behavior Using Multi-label Classification From Twitter. | Kazuki Takahashi, Daiju Kato, Masaki Endo, Tetsuya Araki, Masaharu Hirota, Hiroshi Ishikawa |
| 2017 | MEDES | Analyzing Relationship of Words Using Biased LexRank from Geotagged Tweets. | Takahito Tsuchida, Daiju Kato, Masaki Endo, Masaharu Hirota, Tetsuya Araki, Hiroshi Ishikawa |
| 2016 | PRICAI | Inferring Tourist Behavior and Purposes of a Twitter User. | Yuya Nozawa, Masaki Endo, Yo Ehara, Masaharu Hirota, Shohei Yokoyama, Hiroshi Ishikawa |