Causal knowledge extraction by natural language processing in material science: a case study in chemical vapor deposition. - Yuya Kajikawa; Yoshihide Sugiyama; Hideki Mima; Katsumori Matsushima (Data Sci. J., 2006)

Filling the gap between researchers studying different materials and different methods: a proposal for structured keywords. - Yuya Kajikawa; Koji Abe; Suguru Noda (J. Inf. Sci., 2006)

Topological analysis of citation networks to discover the future core articles. - Naoki Shibata; Yuya Kajikawa; Katsumori Matsushima (J. Assoc. Inf. Sci. Technol., 2007)

Identifying the Large-Scale Structure of the Blogosphere. - Makoto Uchida; Naoki Shibata; Yuya Kajikawa; Yoshiyuki Takeda; Susumu Shirayama; Katsumori Matsushima (Adv. Complex Syst., 2009)

Comparative study on methods of detecting research fronts using different types of citation. - Naoki Shibata; Yuya Kajikawa; Yoshiyuki Takeda; Katsumori Matsushima (J. Assoc. Inf. Sci. Technol., 2009)

Optics: a bibliometric approach to detect emerging research domains and intellectual bases. - Yoshiyuki Takeda; Yuya Kajikawa (Scientometrics, 2009)

Nanobiotechnology as an emerging research domain from nanotechnology: A bibliometric approach. - Yoshiyuki Takeda; Shiho Mae; Yuya Kajikawa; Katsumori Matsushima (Scientometrics, 2009)

Tracking modularity in citation networks. - Yoshiyuki Takeda; Yuya Kajikawa (Scientometrics, 2010)

Email network analysis for leadership. - Hisato Tashiro; Antonio Lau; Junichiro Mori; Nobuzumi Fujii; Yuya Kajikawa (IEEM, 2011)

Does topology matter? land price and road network. - Satoru Yamamoto; Yuya Kajikawa (IEEM, 2011)

Measuring relatedness between communities in a citation network. - Naoki Shibata; Yuya Kajikawa; Ichiro Sakata (J. Assoc. Inf. Sci. Technol., 2011)

Citation lag analysis in supply chain research. - Hiroko Nakamura; Shinji Suzuki; Hironori Tomobe; Yuya Kajikawa; Ichiro Sakata (Scientometrics, 2011)

Machine learning approach for finding business partners and building reciprocal relationships. - Junichiro Mori; Yuya Kajikawa; Hisashi Kashima; Ichiro Sakata (Expert Syst. Appl., 2012)

Link prediction in citation networks. - Naoki Shibata; Yuya Kajikawa; Ichiro Sakata (J. Assoc. Inf. Sci. Technol., 2012)

E-mail networks and leadership performance. - Hisato Tashiro; Antonio Lau; Junichiro Mori; Nobuzumi Fujii; Yuya Kajikawa (J. Assoc. Inf. Sci. Technol., 2012)

Bibliometric methodology to detect collaborative and competitive countries. - Shino Iwami; Francisco Tacoa; Junichiro Mori; Yuya Kajikawa; Ichiro Sakata (IEEM, 2014)

Detection method of emerging leading papers using time transition. - Shino Iwami; Junichiro Mori; Ichiro Sakata; Yuya Kajikawa (Scientometrics, 2014)

The effect of patent family information in patent citation network analysis: a comparative case study in the drivetrain domain. - Hiroko Nakamura; Shinji Suzuki; Yuya Kajikawa; Masataka Osawa (Scientometrics, 2015)

Multiscale Analysis of Supply Network at Central Region in Japan. - Yi Zuo; Yuya Kajikawa (ICDM Workshops, 2016)

Unconnected component inclusion technique for patent network analysis: Case study of Internet of Things-related technologies. - Yasutomo Takano; Cristian Mejia; Yuya Kajikawa (J. Informetrics, 2016)

Identifying Funding Allocation Gaps Within an Academic Domain: Case Study of Robotics Research. - Cristian Mejia; Yuya Kajikawa (ISSI, 2017)

Prediction of collaborative relationships by using network representation learning. - Yi Zuo; Yuya Kajikawa (SMC, 2017)

Toward a Theory of Industrial Supply Networks: A Multi-Level Perspective via Network Analysis. - Yi Zuo; Yuya Kajikawa (Entropy, 2017)

Computer-aided diagnosis: A survey with bibliometric analysis. - Ryohei Takahashi; Yuya Kajikawa (Int. J. Medical Informatics, 2017)

An Exploratory Look at Supply Chains in Japan from Multiscale Network Perspectives. - Yi Zuo; Yuya Kajikawa (Rev. Socionetwork Strateg., 2017)

Using acknowledgement data to characterize funding organizations by the types of research sponsored: the case of robotics research. - Cristian Mejia; Yuya Kajikawa (Scientometrics, 2018)

Collaborative Patterns, Productivity, and Research Impact in the Careers of Star Researchers in a Japanese Semiconductor Company. - Akira Maeki; Cristian Mejia; Yuya Kajikawa (Frontiers Res. Metrics Anal., 2020)

Exploration of Shared Themes Between Food Security and Internet of Things Research Through Literature-Based Discovery. - Cristian Mejia; Yuya Kajikawa (Frontiers Res. Metrics Anal., 2021)

Exploring Topics in Bibliometric Research Through Citation Networks and Semantic Analysis. - Cristian Mejia; Mengjia Wu; Yi Zhang 095; Yuya Kajikawa (Frontiers Res. Metrics Anal., 2021)

Editorial: Advanced Analytics and Decision Making for Research Policy and Strategic Management. - Yi Zhang 095; Yuya Kajikawa (Frontiers Res. Metrics Anal., 2021)

Application of Probabilistic Common Set on an Open World Set for Vertical Federated Learning. - Hiroshi Someda; Shigeyuki Osada; Yuya Kajikawa (PDCAT, 2022)

Competitive intelligence practices in Japanese companies: multicase studies. - Ichiro Tsuchimoto; Yuya Kajikawa (Aslib J. Inf. Manag., 2022)

Reframing evidence in evidence-based policy making and role of bibliometrics: toward transdisciplinary scientometric research. - Yuya Kajikawa (Scientometrics, 2022)

An analysis of the spillover effects based on patents and inter-industrial transactions for an emerging blockchain technology. - Hiroshi Someda; Takanori Akagi; Yuya Kajikawa (Scientometrics, 2022)

Ambidextrous Firm Strategy Insights From Internet of Things Linked Interfirm Deals. - Ranjit Gupta; Cristian Mejia; Yogesh B. Gianchandani; Yuya Kajikawa (IEEE Trans. Engineering Management, 2023)

An overview of Frontiers in Research Metrics and Analytics. - Chaomei Chen; Zaida Chinchilla-Rodríguez; Yi Zhang 095; Ben Daniel 001; Yuya Kajikawa; Dietmar Wolfram (Frontiers Res. Metrics Anal., 2024)

Patent research in academic literature. Landscape and trends with a focus on patent analytics. - Cristian Mejia; Yuya Kajikawa (Frontiers Res. Metrics Anal., 2024)

Quantitative model of firms' weight using a gravity model in relative coordinates: Case study of photo film industry facing digital innovation. - Katsuyuki Kaneko; Yuya Kajikawa (J. Informetrics, 2025)