| 2015 | KES | Tweet-mapping Method for Tourist Spots Based on Now-Tweets and Spot-photos. | Kenta Oku, Fumio Hattori, Kyoji Kawagoe |
| 2013 | ACIIDS | Multi-domain Public Key Infrastructure for Information Security with Use of a Multi-Agent System. | Nilar Aye, Hlaing Su Khin, Toe Toe Win, Tayzar KoKo, MoMo Zin Than, Fumio Hattori, Kazuhiro Kuwabara |
| 2012 | RecSys | User Evaluation of Fusion-based Recommender Systems for Serendipity-oriented Recommendation. | Kenta Oku, Fumio Hattori |
| 2011 | KES | Collaborative Filtering for Predicting Users' Potential Preferences. | Kenta Oku, Ta Son Tung, Fumio Hattori |
| 2011 | RecSys | Fusion-based Recommender System for Improving Serendipity. | Kenta Oku, Fumio Hattori |
| 2011 | W2GIS | Investigation of Recommendation Method Considering Region-Restrictedness of Spots. | Kenta Oku, Fumio Hattori |
| 2010 | DASFAA | Basic Study on a Recommendation Method Considering Region-Restrictedness of Spots. | Kenta Oku, Fumio Hattori |
| 2009 | HCI | Input Text Repairing for Multi-lingual Chat System. | Kenichi Yoshida, Fumio Hattori |
| 2007 | HCI | Walk Navigation System Using Photographs for People with Dementia. | Hiroki Kaminoyama, Takashi Matsuo, Fumio Hattori, Kenji Susami, Noriaki Kuwahara, Shinji Abe |
| 1998 | KES | CommunityBoard: social meeting system able to visualize the structure of discussions. | Shigeo Matsubara, Takeshi Ohguro, Fumio Hattori |
| 1993 | IJCAI | TELECOM and AI: The Emperors New Clothes? | Franz Barachini, Fumio Hattori, Georg Pauthner, Werner Remmele, Gregg T. Vesonder |