Professor Satoshi Morita of the Faculty of Engineering, Shizuoka University, along with Assistant Professor Kei Ito, Associate Researcher Keiko Shigeta, and Professor Taro Yamamoto of the Institute of Tropical Medicine, Nagasaki University, succeeded in extracting and analyzing the sexual contact network in the sex industry across Japan.

 The research group reconstructed the sexual contact network based on word-of-mouth information on a sex-trading business site in which male customers who used soaplands across the country wrote about female sex workers.

 As a result, a bipartite network consisting of male customers and female sex workers was constructed, and by analyzing each, it became possible to clarify various structural characteristics.

 In recent years, there has been an increase in research on large-scale social networks through SNS, etc., but sexual contact has not been sufficiently studied due to technical issues and privacy concerns, and the actual situation is shrouded in mystery. rice field.However, by using word-of-mouth information from sex commercial sites, we were able to build the world's largest and most accurate network for research on sexual contact.

 The research group was able to analyze the different roles played by male clients and female sex workers in the network, as well as gain important insights in the field of public health, such as the spread of sexually transmitted diseases. It is said that

Paper information:[PLOS ONE] Exploring sexual contact networks by analyzing a nationwide commercial-sexreview website

Shizuoka University

Aiming to form a global research center by engaging in high-quality education and research that leads the creative world

Shizuoka University is a comprehensive university with seven faculties. Based on the philosophy of “free enlightenment and creation of the future,” we aim to create the future of humankind and the future of local communities with a rich sense of humanity and a challenging spirit that respects diverse cultures and values, as well as a high level of expertise and an international sensibility. Develop human resources who can contribute to development.A world-leading research institute serving as a base for local knowledge […]

Nagasaki University

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Nagasaki University consists of practical faculties such as medicine, dentistry, pharmacy, engineering, fisheries, education, economics, and environmental science, as well as multicultural sociology faculties aiming to develop global human resources in the humanities and sociology. A unique university.By developing a unique curriculum and campus environment, each student can grow in their respective fields […]

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