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Akademický článek

Trend clustering from COVID-19 tweets using graphical lasso-guided iterative principal component analysis

Autor: Ryosuke Harakawa, Tsutomu Ito, Masahiro Iwahashi

Publikováno v: Scientific Reports, Vol 12, Iss 1, Pp 1-13 (2022)

Abstract This article presents a method for trend clustering from tweets about coronavirus disease (COVID-19) to help us objectively review the past and make decisions about future countermeasures. We aim to avoid detecting usual trends based on seas

Externí odkaz: https://doaj.org/article/52ccdcc3a18040728d11a2efb79358a8

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Akademický článek

Recurrent malignant peripheral nerve sheath tumor presenting as an asymptomatic intravenous thrombus extending to the heart: a case report

Autor: Toru Hirozane, Robert Nakayama, Sayaka Yamaguchi, Tomoaki Mori, Naofumi Asano, Keisuke Asakura, Kazutaka Kikuta, Miho Kawaida, Aya Sasaki, Hajime Okita, Seishi Nakatsuka, Tsutomu Ito

Publikováno v: World Journal of Surgical Oncology, Vol 20, Iss 1, Pp 1-7 (2022)

Abstract Background Malignant peripheral nerve sheath tumor (MPNST) is a rare soft tissue sarcoma mainly treated via surgical resection. Herein, we report a case of MPNST wherein a massive tumor thrombus extended to the major veins and heart. Case pr

Externí odkaz: https://doaj.org/article/8ad80bc0b80840818d9b84c85b87d197

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Akademický článek

Successful Percutaneous Abscess Drainage and Irrigation for the Treatment of Infected Aortic Aneurysm Post–Thoracic Endovascular Aortic RepairNovel Teaching Points

Autor: Ippei Tsuzuki, MD, Yoshikazu Kishino, MD, PhD, Yasuyuki Shiraishi, MD, PhD, Yoshinori Katsumata, MD, PhD, Shinsuke Yuasa, MD, PhD, Nobutake Ito, MD, PhD, Masanori Inoue, MD, PhD, Tsutomu Ito, MD, PhD, Hideyuki Shimizu, MD, PhD, Keiichi Fukuda, MD, PhD

Publikováno v: CJC Open, Vol 2, Iss 6, Pp 735-738 (2020)

Infected aortic aneurysm (IAA) is a rare, life-threatening disease with rapid progression and a high mortality rate. An 84-year-old man developed IAA caused by urosepsis owing to extended-spectrum β-lactamase–producing Escherichia coli infection.

Externí odkaz: https://doaj.org/article/a0843ea3ad2e4dc689377c29d1435112

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Akademický článek

Lifespan of information service firms in Japan: a survival analysis

Autor: Seigo Matsuno, Yasuo Uchida, Tsutomu Ito, Takao Ito

Publikováno v: International Journal of Information Systems and Project Management, Vol 6, Iss 1 (2022)

The purpose of this paper is an analysis of survival in the Japanese information service industry. Information service firms are generally classified into two typical patterns. One is the group of independent firms such as software vendors, and the o

Externí odkaz: https://doaj.org/article/9df56df6ecbb476ab8ce40084693f2d1

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Akademický článek

Lifespan of information service firms in Japan: a survival analysis

Autor: Seigo Matsuno, Yasuo Uchida, Tsutomu Ito, Takao Ito

Publikováno v: International Journal of Information Systems and Project Management, Vol 06, Iss 01, Pp 61-70 (2018)

Externí odkaz: https://doaj.org/article/b12d4dabf5624cf289bcb5660d9cddcb

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