Zobrazeno 1 - 10
of 697
pro vyhledávání: '"TSUTOMU WATANABE"'
Publikováno v:
PLoS ONE, Vol 19, Iss 4, p e0301462 (2024)
Transactions in financial markets are not evenly spaced but can be concentrated within a short period of time. In this study, we investigated the factors that determine the transaction frequency in financial markets. Specifically, we employed the Haw
Externí odkaz:
https://doaj.org/article/bd5f4318934848fea28a4190b41fc981
Autor:
Koichi Shichijo, Shoko Fukura, Shunsuke Takeuchi, Takahiro Tayama, Akemi Ono, Yuko Ichihara, Kenichi Suga, Hiroki Sato, Atsumi Takechi, Sonomi Matsumoto, Shuji Fujino, Takako Taniguchi, Akiyoshi Takahashi, Tsutomu Watanabe, Shuji Kondo
Publikováno v:
PLOS Global Public Health, Vol 3, Iss 6, p e0001974 (2023)
The outbreak of coronavirus disease (COVID-19) resulted in implementation of social distancing and other public health measures to control the spread of infection and improve prevention, resulting in a decrease in respiratory syncytial virus (RSV) an
Externí odkaz:
https://doaj.org/article/015c468490354d619e0688b23acc596c
Publikováno v:
Applied Sciences, Vol 13, Iss 13, p 7828 (2023)
In this study, field measurements of the bending moments of prestressed concrete (PC) sleepers installed on commercial lines were obtained, and numerical analyses to identify the effects of different parameters on their bending moments were conducted
Externí odkaz:
https://doaj.org/article/bbded54430bc4644a64541f50803f5b3
Autor:
Tsutomu Watanabe, Tomoyoshi Yabu
Publikováno v:
PLoS ONE, Vol 16, Iss 6 (2021)
Japan’s government has taken a number of measures, including declaring a state of emergency, to combat the spread COVID-19. We examine the mechanisms through which the government’s policies have led to changes in people’s behavior. Using smartp
Externí odkaz:
https://doaj.org/article/a86f4bda8a894d31bf5611e48848d07a
Publikováno v:
Applied Sciences, Vol 12, Iss 9, p 4150 (2022)
The ladder sleeper, which is a type of longitudinal sleeper with long beams in the longitudinal direction of the rail, was developed for the maintenance-labor saving of ballast tracks. In this study, to quantify the load distribution performance of t
Externí odkaz:
https://doaj.org/article/0f85160bba3846af98b7d07209a301bf
Publikováno v:
EPJ Data Science, Vol 6, Iss 1, Pp 1-14 (2017)
Abstract We propose an indicator to measure the degree to which a particular news article is novel, as well as an indicator to measure the degree to which a particular news item attracts attention from investors. The novelty measure is obtained by co
Externí odkaz:
https://doaj.org/article/d7c5af2faab948e4a8d029a9f383f660
Publikováno v:
Applied Network Science, Vol 2, Iss 1, Pp 1-15 (2017)
Abstract Buyer–seller relationships among firms can be regarded as a longitudinal network in which the connectivity pattern evolves as each firm receives productivity shocks. Based on a data set describing the evolution of buyer–seller links amon
Externí odkaz:
https://doaj.org/article/87d01b2b785a4e1e82e89cea7dfe5277
Publikováno v:
Frontiers in Built Environment, Vol 4 (2018)
Externí odkaz:
https://doaj.org/article/f0d592bfbd3a4f898137e0eb89870286
Publikováno v:
Advances in Mathematical Physics, Vol 2016 (2016)
We analytically show that the logarithmic average sales of firms first follow power-law growth and subsequently follow exponential growth, if the growth-rate distributions of the sales obey the extended-Gibrat’s property and Gibrat’s law. Here, t
Externí odkaz:
https://doaj.org/article/0c489f5d0edb4212b88884f1e0d38d90
Publikováno v:
PLoS ONE, Vol 9, Iss 7, p e100712 (2014)
In this paper, we investigate the structure and evolution of customer-supplier networks in Japan using a unique dataset that contains information on customer and supplier linkages for more than 500,000 incorporated non-financial firms for the five ye
Externí odkaz:
https://doaj.org/article/4f7dcae565b44d24aa426cd06be2e56b