The international long-haul optical-fiber submarine cable system in Japan. - Yasuhiko Niiro; Hitoshi Yamamoto (IEEE Commun. Mag., 1986)

Reliability of the OS-280M Optical Submarine Repeater. - Kohichi Tatekura; Hitoshi Yamamoto; Hiroharu Wakabayashi; Yasuhiko Niiro (IEEE J. Sel. Areas Commun., 1986)

Relation Formation by Medium Properties: A Multiagent Simulation. - Hitoshi Yamamoto; Isamu Okada; Makoto Jgarashi; Toshizumi Ohta (PACIS, 2001)

Temptation and Contribution in C2C Transactions: Implications for Designing Reputation Management Systems. - Hitoshi Yamamoto; Kazunari Ishida; Toshizumi Ohta (Trusting Agents for Trusting Electronic Societies, 2004)

Modeling Reputation Management System on Online C2C Market. - Hitoshi Yamamoto; Kazunari Ishida; Toshizumi Ohta (Comput. Math. Organ. Theory, 2004)

Vulnerability of Cooperation on Scale-Free Networks. - Yoshifumi Ishida; Hitoshi Yamamoto; Isamu Okada; Toshizumi Ohta (WCSS, 2006)

Development of Recommender Systems Using User Preference Tendencies: An Algorithm for Diversifying Recommendation. - Yuki Ogawa; Hirohiko Suwa; Hitoshi Yamamoto; Isamu Okada; Toshizumi Ohta (II3E, 2008)

SiN-based micro cantilever actuators using NdFeB/Ta permanent magnetic thin film. - Sen Yao; Shunji Goto; Junpei Sakurai; Tadahiko Shinshi; Minoru Uehara; Hitoshi Yamamoto (NEMS, 2009)

Dynamic language model adaptation using keyword category classification. - Hitoshi Yamamoto; Ken Hanazawa; Kiyokazu Miki; Koichi Shinoda (INTERSPEECH, 2010)

Effects of Information Diffusion in Online Word-of-Mouth Communication Among Consumers. - Isamu Okada; Hitoshi Yamamoto (J. Adv. Comput. Intell. Intell. Informatics, 2011)

Effect of defectors for cooperation: how strictly should defectors be eliminated from the newcomers? - Hitoshi Yamamoto; Isamu Okada; Yuki Ogawa (AAMAS, 2012)

Factored Language Model based on Recurrent Neural Network. - Youzheng Wu; Xugang Lu; Hitoshi Yamamoto; Shigeki Matsuda; Chiori Hori; Hideki Kashioka (COLING, 2012)

Why Do People Use Social Media? Agent-Based Simulation and Population Dynamics Analysis of the Evolution of Cooperation in Social Media. - Fujio Toriumi; Hitoshi Yamamoto; Isamu Okada (IAT, 2012)

Tied-State Mixture Language Model for WFST-based Speech Recognition. - Hitoshi Yamamoto; Paul R. Dixon; Shigeki Matsuda; Chiori Hori; Hideki Kashioka (INTERSPEECH, 2012)

Factored recurrent neural network language model in TED lecture transcription. - Youzheng Wu; Hitoshi Yamamoto; Xugang Lu; Shigeki Matsuda; Chiori Hori; Hideki Kashioka (IWSLT, 2012)

The NICT ASR system for IWSLT2012. - Hitoshi Yamamoto; Youzheng Wu; Chien-Lin Huang; Xugang Lu; Paul R. Dixon; Shigeki Matsuda; Chiori Hori; Hideki Kashioka (IWSLT, 2012)

Association between Selective Exposure and Attitude on Twitter. - Yuki Ogawa; Kakuko Miyata; Hitoshi Yamamoto; Ken'ichi Ikeda (Web Intelligence/IAT Workshops, 2013)

Adaptive Risk Choice Behavior Using MAS. - Isamu Okada; Hitoshi Yamamoto (Web Intelligence/IAT Workshops, 2013)

Effects of Controllable Facilitators on Social Media: Simulation Analysis Using Generalized Metanorms Games. - Fujio Toriumi; Hitoshi Yamamoto; Isamu Okada (Web Intelligence/IAT Workshops, 2013)

A lecture transcription system combining neural network acoustic and language models. - Peter Bell 001; Hitoshi Yamamoto; Pawel Swietojanski; Youzheng Wu; Fergus McInnes; Chiori Hori; Steve Renals (INTERSPEECH, 2013)

Mathematical description and analysis of adaptive risk choice behavior. - Isamu Okada; Hitoshi Yamamoto (ACM Trans. Intell. Syst. Technol., 2013)

Efficient multi-lingual unsupervised acoustic model training under mismatch conditions. - Masahiro Saiko; Hitoshi Yamamoto; Ryosuke Isotani; Chiori Hori (SLT, 2014)

Influence of Payoff in Meta-Rewards Game. - Fujio Toriumi; Hitoshi Yamamoto; Isamu Okada (J. Adv. Comput. Intell. Intell. Informatics, 2014)

Analysis of a Public Good Game Permitted New Entries: a Role of Defectors to Maintain Cooperation. - Hitoshi Yamamoto; Isamu Okada; Yuki Ogawa (J. Adv. Comput. Intell. Intell. Informatics, 2014)

Denoising autoencoder-based speaker feature restoration for utterances of short duration. - Hitoshi Yamamoto; Takafumi Koshinaka (INTERSPEECH, 2015)

The Effect of Incentives and Meta-incentives on the Evolution of Cooperation. - Isamu Okada; Hitoshi Yamamoto; Fujio Toriumi; Tatsuya Sasaki (PLoS Comput. Biol., 2015)

Domain adaptation using maximum likelihood linear transformation for PLDA-based speaker verification. - Qiongqiong Wang; Hitoshi Yamamoto; Takafumi Koshinaka (ICASSP, 2016)

Exploring an Effective Incentive System on a Groupware. - Fujio Toriumi; Hitoshi Yamamoto; Isamu Okada (J. Artif. Soc. Soc. Simul., 2016)

Robust i-vector extraction tightly coupled with voice activity detection using deep neural networks. - Hitoshi Yamamoto; Koji Okabe; Takafumi Koshinaka (APSIPA, 2017)

i-Vector Transformation Using a Novel Discriminative Denoising Autoencoder for Noise-Robust Speaker Recognition. - Shivangi Mahto; Hitoshi Yamamoto; Takafumi Koshinaka (INTERSPEECH, 2017)

A norm knockout method on indirect reciprocity to reveal indispensable norms. - Hitoshi Yamamoto; Isamu Okada; Satoshi Uchida; Tatsuya Sasaki (CoRR, 2017)

The Evolution of Reputation-Based Cooperation in Regular Networks. - Tatsuya Sasaki; Hitoshi Yamamoto; Isamu Okada; Satoshi Uchida (Games, 2017)

Attention Mechanism in Speaker Recognition: What Does it Learn in Deep Speaker Embedding? - Qiongqiong Wang; Koji Okabe; Kong Aik Lee; Hitoshi Yamamoto; Takafumi Koshinaka (SLT, 2018)

I4U Submission to NIST SRE 2018: Leveraging from a Decade of Shared Experiences. - Kong Aik Lee; Ville Hautamäki; Tomi H. Kinnunen; Hitoshi Yamamoto; Koji Okabe; Ville Vestman; Jing Huang 019; Guohong Ding; Hanwu Sun; Anthony Larcher; Rohan Kumar Das; Haizhou Li 001; et al. (INTERSPEECH, 2019)

The NEC-TT 2018 Speaker Verification System. - Kong Aik Lee; Hitoshi Yamamoto; Koji Okabe; Qiongqiong Wang; Ling Guo; Takafumi Koshinaka; Jiacen Zhang; Koichi Shinoda (INTERSPEECH, 2019)

Speaker Augmentation and Bandwidth Extension for Deep Speaker Embedding. - Hitoshi Yamamoto; Kong Aik Lee; Koji Okabe; Takafumi Koshinaka (INTERSPEECH, 2019)

Rewards Visualization System Promotes Information Provision. - Fujio Toriumi; Hitoshi Yamamoto; Isamu Okada (JSAI, 2019)

I4U Submission to NIST SRE 2018: Leveraging from a Decade of Shared Experiences. - Kong Aik Lee; Ville Hautamäki; Tomi Kinnunen; Hitoshi Yamamoto; Koji Okabe; Ville Vestman; Jing Huang 019; Guohong Ding; Hanwu Sun; Anthony Larcher; Rohan Kumar Das; Haizhou Li 001; et al. (CoRR, 2019)

Evolution of Cooperation with Peer Punishment under Prospect Theory. - Satoshi Uchida; Hitoshi Yamamoto; Isamu Okada; Tatsuya Sasaki (Games, 2019)

Development and Basic Analysis of Novel Flexible Linear Motor. - Hiroshi Asai; Tomoyuki Shimono; Tomoe Deguchi; Yasuhisa Fujii; Hitoshi Yamamoto; Kouhei Ohnishi (AMC, 2020)

NEC-TT Speaker Verification System for SRE'19 CTS Challenge. - Kong Aik Lee; Koji Okabe; Hitoshi Yamamoto; Qiongqiong Wang; Ling Guo; Takafumi Koshinaka; Jiacen Zhang; Keisuke Ishikawa; Koichi Shinoda (INTERSPEECH, 2020)

NEC-TT System for Mixed-Bandwidth and Multi-Domain Speaker Recognition. - Kong Aik Lee; Hitoshi Yamamoto; Koji Okabe; Qiongqiong Wang; Ling Guo; Takafumi Koshinaka; Jiacen Zhang; Koichi Shinoda (Comput. Speech Lang., 2020)

Hybrid Assessment Scheme Based on the Stern- Judging Rule for Maintaining Cooperation under Indirect Reciprocity. - Isamu Okada; Hitoshi Yamamoto; Satoshi Uchida (Games, 2020)

A belief in rewards accelerates cooperation on consumer-generated media. - Fujio Toriumi; Hitoshi Yamamoto; Isamu Okada (J. Comput. Soc. Sci., 2020)

Task-aware Warping Factors in Mask-based Speech Enhancement. - Qiongqiong Wang; Kong Aik Lee; Takafumi Koshinaka; Koji Okabe; Hitoshi Yamamoto (EUSIPCO, 2021)

Simulation of Intragroup Alignment Using a New Model of Opinion Dynamics. - Nozomi Okano; Hitoshi Yamamoto; Masaru Nishikawa; Akira Ishii (IntelliSys (1), 2021)

The International Linear Collider Project - Its Physics and Status. - Hitoshi Yamamoto (Symmetry, 2021)

I4U System Description for NIST SRE'20 CTS Challenge. - Kong Aik Lee; Tomi Kinnunen; Daniele Colibro; Claudio Vair; Andreas Nautsch; Hanwu Sun; Liang He 003; Tianyu Liang; Qiongqiong Wang; Mickael Rouvier; Pierre-Michel Bousquet; Rohan Kumar Das; et al. (CoRR, 2022)

The evolution of cooperation and diversity by integrated indirect reciprocity. - Tatsuya Sasaki; Satoshi Uchida; Isamu Okada; Hitoshi Yamamoto (CoRR, 2023)

The Evolution of Cooperation and Diversity under Integrated Indirect Reciprocity. - Tatsuya Sasaki; Satoshi Uchida; Isamu Okada; Hitoshi Yamamoto (Games, 2024)

Evolution of "Pay-It-Forward" in the Presence of the Temptation to Free-Ride. - Satoshi Uchida; Tatsuya Sasaki; Hitoshi Yamamoto; Isamu Okada (Games, 2024)