| 2021 | PERCOM | NaviMine: A tool for mining trajectories through behavior prediction. | Yiming Tian, Takuya Maekawa, Takahiro Hara, Yojiro Yokomori, Takashi Kitagawa |
| 2018 | EJC | Semantic-Dependent Access Log Analysis for Predicting the Demographic Data. | Kyohei Matsumoto, Takafumi Nakanishi, Takashi Kitagawa |
| 2016 | EJC | Evaluation Indexes of Customer Journey for Contents of Owned Media. | Kyohei Matsumoto, Takafumi Nakanishi, Takashi Kitagawa |
| 2006 | ACISP | Generic Transforms to Acquire CCA-Security for Identity Based Encryption: The Cases of FOpkc and REACT. | Takashi Kitagawa, Peng Yang, Goichiro Hanaoka, Rui Zhang, Hajime Watanabe, Kanta Matsuura, Hideki Imai |
| 2006 | APCCM | Visualization of music impression in facial expression to represent emotion. | Takafumi Nakanishi, Takashi Kitagawa |
| 2006 | EJC | A Method of Automatic Metadata Extraction Corresponding to the Impression by Sound of the Words. | Hidenori Homma, Takafumi Nakanishi, Takashi Kitagawa |
| 2002 | ICICS | An ID Coding Scheme for Fingerprinting, Randomized c-Secure CRT Code. | Hajime Watanabe, Takashi Kitagawa |
| 2000 | EJC | A Semantic Metadata-Translation Method for Multilingual Cross-Language Information Retrieval. | Xing Chen, Yasushi Kiyoki, Takashi Kitagawa |
| 2000 | EJC | Fundamental Framework for Media Data Retrieval Systems using Media-lexico Transformation Operator - in the Case of Musical MIDI Data. | Takashi Kitagawa, Yasushi Kiyoki |
| 2000 | WISE | A Semantic Associative Search Method for WWW Information Resources. | Yasushi Kiyoki, Xing Chen, Takashi Kitagawa |
| 1999 | EJC | Application of a Semantic Associative Search Method to Multidatabases for Environmental Information. | Yasushi Kiyoki, Takashi Kitagawa |
| 1998 | EJC | A Semantic Media Data Search Method Based on a Mathematical Model of Meaning for Multimedia Information Systems. | Takashi Kitagawa, Yasushi Kiyoki, Kyoko Nakamura |
| 1997 | DS | An Associative Search Method Based on Symbolic Filtering and Semantic Ordering for Database Systems. | Naofumi Yoshida, Yasushi Kiyoki, Takashi Kitagawa |