An object-oriented kernel for geographical information systems. - Ying Ming Lin; Takeshi Sagara; Yutaka Ohsawa; Masao Sakauchi (ICDAR, 1993)

CSIS Clearinghouse for Academic Research Communities in Japan. - Masatoshi Arikawa; Takeshi Sagara (Dublin Core Conference, 2001)

Preliminary Workshop on Evaluation of Geographic Information Retrieval Systems for Web Documents. - Masatoshi Arikawa; Takeshi Sagara; Kouzou Noaki; Hideyuki Fujita (NTCIR, 2004)

OSUSUME: cross-lingual recommender system for research papers. - Kiyoko Uchiyama; Hidetsugu Nanba; Akiko Aizawa; Takeshi Sagara (CaRR@IUI, 2011)

Toponym-based geotagging for observing precipitation from social and scientific data streams. - Asanobu Kitamoto; Takeshi Sagara (GeoMM@ACM Multimedia, 2012)

Challenges and Solutions in Developing a Joint Research Assist System (JoRAS) using Spatial Data Infrastructure: Insights from Long-term Operations at the Center for Spatial Information Science at the University of Tokyo. - Yuichi S. Hayakawa; Hideyuki Fujita; Sohee Lee; Takeshi Sagara (Int. J. Spatial Data Infrastructures Res., 2016)

Detecting In-line Mathematical Expressions in Scientific Documents. - Kenichi Iwatsuki; Takeshi Sagara; Tadayoshi Hara; Akiko Aizawa (DocEng, 2017)

Enhancing Findability and Searchability of Research Data: Metadata Conversion and Registration in Institutional Repositories. - Masahito Nose; Atsuki Shinbori; Yoshizumi Miyoshi; Tomoaki Hori; Tsukasa Ohira; Junko Hashiba; Chizuko Naoe; Rui Gakiya; Maiko Okamoto; Takeshi Sagara; Takaaki Aoki; Shigeki Matsubara; et al. (Data Sci. J., 2024)