Takashi Kitagawa

Koji Nuida, Satoshi Fujitsu, Manabu Hagiwara, Takashi Kitagawa, Hajime Watanabe, Kazuto Ogawa, Hideki Imai: An improvement of discrete Tardos fingerprinting codes. Des. Codes Cryptography 52(3): 339-362 (2009)

Koji Nuida, Satoshi Fujitsu, Manabu Hagiwara, Hideki Imai, Takashi Kitagawa, Kazuto Ogawa, Hajime Watanabe: An Efficient 2-Secure and Short Random Fingerprint Code and Its Security Evaluation. IEICE Transactions 92-A(1): 197-206 (2009)

Manabu Hagiwara, Marc P. C. Fossorier, Takashi Kitagawa, Hideki Imai: Smallest Size of Circulant Matrix for Regular (3, L) and (4, L) Quasi-Cyclic LDPC Codes with Girth 6. IEICE Transactions 92-A(11): 2891-2894 (2009)

Koji Nuida, Satoshi Fujitsu, Manabu Hagiwara, Takashi Kitagawa, Hajime Watanabe, Kazuto Ogawa, Hideki Imai: An improvement of discrete Tardos fingerprinting codes. IACR Cryptology ePrint Archive 2008: 338 (2008)

Takafumi Nakanishi, Sadaya Kishimoto, Tetsuya Sakurai, Takashi Kitagawa: Construction of a metadata space for a specific field of knowledge from an index of a document. Systems and Computers in Japan 38(5): 30-42 (2007)

Koji Nuida, Satoshi Fujitsu, Manabu Hagiwara, Takashi Kitagawa, Hajime Watanabe, Kazuto Ogawa, Hideki Imai: An Improvement of Tardos's Collusion-Secure Fingerprinting Codes with Very Short Lengths. AAECC 2007: 80-89

Peng Yang, Takashi Kitagawa, Goichiro Hanaoka, Rui Zhang, Kanta Matsuura, Hideki Imai: Applying Fujisaki-Okamoto to Identity-Based Encryption. AAECC 2006: 183-192

Takashi Kitagawa, Peng Yang, Goichiro Hanaoka, Rui Zhang, Hajime Watanabe, Kanta Matsuura, Hideki Imai: Generic Transforms to Acquire CCA-Security for Identity Based Encryption: The Cases of FOpkc and REACT. ACISP 2006: 348-359

Takafumi Nakanishi, Takashi Kitagawa: Visualization of music impression in facial expression to represent emotion. APCCM 2006: 55-64

Takafumi Nakanishi, Takashi Kitagawa: An Implementation Method of a Heterogeneous Associative Media Data Search for Music Data and Image Data. Databases and Applications 2006: 143-152

Sadaya Kishimoto, Takafumi Nakanishi, Mamoru Murakata, Toru Otsuka, Tetsuya Sakurai, Takashi Kitagawa: An Implementation Method of an Integrated Associative Search for Mathematical Expressions. Databases and Applications 2006: 160-167

Hidenori Homma, Takafumi Nakanishi, Takashi Kitagawa: A Method of Automatic Metadata Extraction Corresponding to the Impression by Sound of the Words. EJC 2006: 206-222

Takashi Kitagawa, Takafumi Nakanishi, Yasushi Kiyoki: An implementation method of automatic metadata extraction method for music data and its application to semantic associative search. Systems and Computers in Japan 35(6): 59-78 (2004)

Hajime Watanabe, Takashi Kitagawa: An ID Coding Scheme for Fingerprinting, Randomized c-Secure CRT Code. ICICS 2002: 173-183

Xing Chen, Yasushi Kiyoki, Takashi Kitagawa: A Semantic Metadata-Translation Method for Multilingual Cross-Language Information Retrieval. EJC 2000: 299-315

Takashi Kitagawa, Yasushi Kiyoki: Fundamental Framework for Media Data Retrieval Systems using Media-lexico Transformation Operator - in the Case of Musical MIDI Data. EJC 2000: 316-326

Susumu Nakata, Takashi Kitagawa, Yohsuke Hosoda: Regularization Method by Rank Revealing QR Factorization and Its Optimization. NAA 2000: 608-614

Yasushi Kiyoki, Xing Chen, Takashi Kitagawa: A Semantic Associative Search Method for WWW Information Resources. WISE 2000: 230-237

Xing Chen, Yasushi Kiyoki, Takashi Kitagawa: A Multi-Language Oriented Intelligent Information Retrieval System Utilizing a Semantic Associative Search Method. Applied Informatics 1999: 135-140

Yasushi Kiyoki, Takashi Kitagawa: Application of a Semantic Associative Search Method to Multidatabases for Environmental Information. EJC 1999: 74-84

Yasushi Kiyoki, Takashi Kitagawa, Takanari Hayama: A Metadatabase System for Semantic Image Search by a Mathematical Model of Meaning. Multimedia Data Management 1998: 191-222

Takashi Kitagawa, Yasushi Kiyoki, Kyoko Nakamura: A Semantic Media Data Search Method Based on a Mathematical Model of Meaning for Multimedia Information Systems. EJC 1998: 136-151

Naofumi Yoshida, Yasushi Kiyoki, Takashi Kitagawa: An Associative Search Method Based on Symbolic Filtering and Semantic Ordering for Database Systems. DS-7 1997: 105-

Yasushi Kiyoki, Takashi Kitagawa, Takanari Hayama: A Metadatabase System for Semantic Image Search by a Mathematical Model of Meaning. SIGMOD Record 23(4): 34-41 (1994)

Takashi Kitagawa, Yasushi Kiyoki: A Mathematical Model of Meaning and its Application to Multidatabase Systems. RIDE-IMS 1993: 130-135