| 2016 | SMC | Objective measurement for satisfaction values to sightseeing spots and route recommendation system. | Takashi Hasuike, Hideki Katagiri, Hiroshi Tsuda |
| 2015 | SMC | A Route Recommendation System for Sightseeing with Network Optimization and Conditional Probability. | Takashi Hasuike, Hideki Katagiri, Hiroe Tsubaki, Hiroshi Tsuda |
| 2014 | SMC | Route planning problem with groups of sightseeing sites classified by tourist's sensitivity under Time-Expanded Network. | Takashi Hasuike, Hideki Katagiri, Hiroe Tsubaki, Hiroshi Tsuda |
| 2013 | AINA | Privacy-Preserving Distributed Decision Tree Learning with Boolean Class Attributes. | Hiroaki Kikuchi, Kouichi Itoh, Mebae Ushida, Hiroshi Tsuda, Yuji Yamaoka |
| 2013 | IFSA | Route planning problem under fuzzy sightseeing times and satisfaction values of sightseeing places. | Takashi Hasuike, Hideki Katagiri, Hiroe Tsubaki, Hiroshi Tsuda |
| 2013 | KES | Interactive Multi-objective Route Planning for Sightseeing on Time-expanded Networks under Various Conditions. | Takashi Hasuike, Hideki Katagiri, Hiroe Tsubaki, Hiroshi Tsuda |
| 2013 | SMC | A Flexible Tour Route Planning Problem with Time-Dependent Parameters Considering Rescheduling Based on Current Conditions. | Takashi Hasuike, Hiroe Tsubaki, Hideki Katagiri, Hiroshi Tsuda |
| 2012 | SMC | Tour route planning problem for sightseeing with the multiroute under several uncertain conditions. | Takashi Hasuike, Hideki Katagiri, Hiroe Tsubaki, Hiroshi Tsuda |
| 2012 | SMC | Interactive multiobjective random fuzzy programming: Necessity-based value at risk model. | Hideki Katagiri, Takeshi Uno, Kosuke Kato, Hiroshi Tsuda, Hiroe Tsubaki |
| 2003 | PACLIC | On Intra-page and Inter-page Semantic Analysis of Web Pages. | Jun Wang, Jicheng Wang, Gangshan Wu, Hiroshi Tsuda |
| 1994 | ICTAI | Query Processing for Partial Information Databases in QUIXOTE. | Kazumasa Yokota, Hiroshi Tsuda, Toshihiro Nishioka, Satoshi Tojo |
| 1993 | ICTAI | QUIXOTE as a Tool for Natural Language Processing. | Satoshi Tojo, Hiroshi Tsuda, Hideki Yasukawa, Kazumasa Yokota, Yukihiro Morita |