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199 results on '"Murakami, Masaki"'

4. Induction of WT1 (Wilms' Tumor Gene)-Specific Cytotoxic T Lymphocytes by WT1 Peptide Vaccine and the Resultant Cancer Regression

Author

Oka, Yoshihiro, Tsuboi, Akihiro, Taguchi, Tetsuya, Osaki, Tadashi, Kyo, Taiichi, Nakajima, Hiroko, Elisseeva, Olga A., Oji, Yusuke, Kawakami, Manabu, Ikegame, Kazuhiro, Hosen, Naoki, Yoshihara, Satoshi, Wu, Fei, Fujiki, Fumihiro, Murakami, Masaki, Masuda, Tomoki, Nishida, Sumiyuki, Shirakata, Toshiaki, Nakatsuka, Shin-ichi, Sasaki, Ayako, Udaka, Keiko, Dohy, Hiroo, Aozasa, Katsuyuki, Noguchi, Shinzaburo, Kawase, Ichiro, Sugiyama, Haruo, and Sugimura, Takashi

Published
2004

5. Experimental Evaluation on Priority-Aware Guaranteed Resource Allocation for Resource Pool Based Reconfigurable Hardware

Author

Murakami, Masaki, Kurimoto, Takashi, Okamoto, Satoru, and Yamanaka, Naoaki

Abstract

This paper proposes a priority-aware guaranteed hardware resource allocation in virtual packet optical nodes (VPONs) and describes experimental evidence of service provisioning with the proposed method on testbed. A network based on the VPON brings solution of service diversification and traffic explosion because it provides multiple services by hardware level separated virtual networks such as IP/Ethernet/ Multi-Protocol Label Switching. The VPON has reconfigurable hardware which is dedicatedly allocated for each service and service-specific logical functions are implemented respectively. However, a previous hardware resource allocation method is not efficient. In previous work, the hardware resources once allocated to a service are not reallocated until the service terminated whenever the hardware is not optimally used. In recent years, hardware reconfiguration time has become shorter and it has enabled to apply for service demand change by releasing hardware from services with low demand and reallocating it to other services with high demand. Thus, this paper proposes preemptive dynamic hardware resource reallocation algorithm for VPON and a priority-aware guaranteed hardware resource reallocation method to realize efficient resource usage and high service capacity. Results of the computer simulation show improving service capability. Furthermore, to demonstrate the feasibility of service provisioning with the proposed method, emulators of the virtual packet optical node were constructed and performed resource reallocation. Results of the experiment show that the virtual packet optical node can configure function chains for providing services based on calculation results of the proposed resource reallocation method.

Published
2024
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10. Congruence Results of Scope Equivalence for a Graph Rewriting Model of Concurrent Programs

Author

Murakami, Masaki, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Fitzgerald, John S., editor, Haxthausen, Anne E., editor, and Yenigun, Husnu, editor

Published
2008
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16. SARS-CoV-2 Omicron Detection by Antigen Tests Using Saliva

Author

Murakami, Kaoru, primary, Iwasaki, Sumio, additional, Oguri, Satoshi, additional, Tanaka, Kumiko, additional, Suzuki, Rigel, additional, Hayasaka, Kasumi, additional, Fujisawa, Shinichi, additional, Watanabe, Chiaki, additional, Konno, Satoshi, additional, Yokota, Isao, additional, Fukuhara, Takasuke, additional, Murakami, Masaki, additional, and Teshima, Takanori, additional

Published
2022
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17. An Artificial Intelligence Nanopore Platform Detects Omicron SARS-CoV-2 in Clinical Samples

Author

Murakami, Kaoru, primary, Kubota, Shimpei I., additional, Tanaka, Kumiko, additional, Akabane, Keiichiro, additional, Suzuki, Rigel, additional, Shinohara, Yuta, additional, Takei, Hiroyasu, additional, Hashimoto, Shigeru, additional, Tanaka, Yuki, additional, Hojyo, Shintaro, additional, Sakamoto, Osamu, additional, Naono, Norihiko, additional, Takaai, Takayui, additional, Sato, Kazuki, additional, Kojima, Yuichi, additional, Harada, Toshiyuki, additional, Hattori, Takeshi, additional, Fuke, Satoshi, additional, Yokota, Isao, additional, Konno, Satoshi, additional, Washio, Takashi, additional, Fukuhara, Takasuke, additional, Teshima, Takanori, additional, Taniguchi, Masateru, additional, and Murakami, Masaki, additional

Published
2022
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20. Compilation of previous studies on secondary effects induced by earthquake and fault activity (Contract research)

Author

Goto, Akira, Murakami, Masaki, Sakai, Ryutaro, Terusawa, Shuji, and Sueoka, Shigeru

Abstract

地層処分システムに影響を及ぼす可能性がある天然現象の一つに、地震及び断層活動が挙げられる。地震及び断層活動では、断層変位による直接的な影響に加え、地震動に伴う湧水の発生や泥火山の活動、地震断層の活動により引き起こされる流体の移行経路の変化や副断層の形成のような二次的な影響も考慮する必要がある。本稿では、これらの二次的な現象による地層処分システムへの影響の理解を目的として、水理学的影響(湧水・泥火山)、力学的な影響(副断層)を対象に、既往研究を収集し取りまとめた結果を報告する。関連するキーワードを各国語で検索することで、国内外の142編の文献を収集することができた。その結果、それぞれの二次的影響の研究事例を概観し、地層処分の観点で今後の評価技術の高度化に必要な課題を抽出した。地震等の影響による湧水については、湧出機構、影響範囲、活動履歴に関する事例の蓄積を課題として示した。泥火山については、形成の要因となる異常間隙水圧のメカニズムの検討及び予測手法の高度化を課題として示した。副断層については、詳細な分布の把握と形成機構の検討の蓄積が課題であると示した。, One of the natural phenomena that may affect the geological disposal system are earthquake and fault activity. Fault displacement due to the earthquake and fault activity will be considered the direct effects. In addition to it, it is necessary to consider the secondary effects include secondary faults formed by the seismic fault activity as well as spring water and mud volcanoes that are generated by fluid movement attributed to the fault activity. This paper introduces previous studies performed focused on the hydraulic effects (spring water and mud volcanoes) and mechanical effects (secondary faults) in order to understand the effects of these secondary phenomena on the geological disposal system. We were able to collect 142 literatures from Japan and overseas by searching for related keywords in Japanese and English. As a result, we compiled case studies of each secondary impact. From the viewpoint of geological disposal, we extracted the following issues for future research and development. As for the sump water induced by earthquakes and faulting, accumulation of information related to its mechanism, affected area, and activity history is required. As for the mud volcanoes, reviewing of the mechanism of anomalous pore water pressure that causing the formation, also development of estimation technique are required. And for the secondary faults, accumulation of the detailed spatial distribution and reviewing of formation mechanism are required.

Published
2020

21. 犬とワンちゃんと私

Author

村上, 正樹, ムラカミ, マサキ, MURAKAMI, Masaki, 村上, 正樹, ムラカミ, マサキ, and MURAKAMI, Masaki

Published
2020

22. 地震及び断層活動による二次的影響に関する知見の整理(受託研究)

Author

後藤 翠, Goto, Akira, 村上 雅紀, Murakami, Masaki, 酒井 隆太郎, Sakai, Ryutaro, 照沢 秀司, Terusawa, Shuji, 末岡 茂, Sueoka, Shigeru, 後藤 翠, Goto, Akira, 村上 雅紀, Murakami, Masaki, 酒井 隆太郎, Sakai, Ryutaro, 照沢 秀司, Terusawa, Shuji, 末岡 茂, and Sueoka, Shigeru

Abstract

地層処分システムに影響を及ぼす可能性がある天然現象の一つに、地震及び断層活動が挙げられる。地震及び断層活動では、断層変位による直接的な影響に加え、地震動に伴う湧水の発生や泥火山の活動、地震断層の活動により引き起こされる流体の移行経路の変化や副断層の形成のような二次的な影響も考慮する必要がある。本稿では、これらの二次的な現象による地層処分システムへの影響の理解を目的として、水理学的影響(湧水・泥火山)、力学的な影響(副断層)を対象に、既往研究を収集し取りまとめた結果を報告する。関連するキーワードを各国語で検索することで、国内外の142編の文献を収集することができた。その結果、それぞれの二次的影響の研究事例を概観し、地層処分の観点で今後の評価技術の高度化に必要な課題を抽出した。地震等の影響による湧水については、湧出機構、影響範囲、活動履歴に関する事例の蓄積を課題として示した。泥火山については、形成の要因となる異常間隙水圧のメカニズムの検討及び予測手法の高度化を課題として示した。副断層については、詳細な分布の把握と形成機構の検討の蓄積が課題であると示した。, One of the natural phenomena that may affect the geological disposal system are earthquake and fault activity. Fault displacement due to the earthquake and fault activity will be considered the direct effects. In addition to it, it is necessary to consider the secondary effects include secondary faults formed by the seismic fault activity as well as spring water and mud volcanoes that are generated by fluid movement attributed to the fault activity. This paper introduces previous studies performed focused on the hydraulic effects (spring water and mud volcanoes) and mechanical effects (secondary faults) in order to understand the effects of these secondary phenomena on the geological disposal system. We were able to collect 142 literatures from Japan and overseas by searching for related keywords in Japanese and English. As a result, we compiled case studies of each secondary impact. From the viewpoint of geological disposal, we extracted the following issues for future research and development. As for the sump water induced by earthquakes and faulting, accumulation of information related to its mechanism, affected area, and activity history is required. As for the mud volcanoes, reviewing of the mechanism of anomalous pore water pressure that causing the formation, also development of estimation technique are required. And for the secondary faults, accumulation of the detailed spatial distribution and reviewing of formation mechanism are required., 著者所属: 日本原子力研究開発機構(JAEA), JAEA-Review 2020-003

Published
2020

27. Monitoring Minimal Residual Disease in Leukemia Using Real-time Quantitative Polymerase Chain Reaction for Wilms Tumor Gene (WT1)

Author

Tamaki, Hiroya, Mishima, Machiko, Kawakami, Manabu, Tsuboi, Akihiro, Kim, Eui Ho, Hosen, Naoki, Ikegame, Kazuhiro, Murakami, Masaki, Fujioka, Tatsuya, Masuda, Tomoki, Taniguchi, Yuki, Nishida, Sumiyuki, Osumi, Kazuoki, Soma, Toshihiro, Oji, Yusuke, Oka, Yoshihiro, Kawase, Ichiro, Sugiyama, Haruo, and Ogawa, Hiroyasu

Published
2003
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28. The lck Promoter-Driven Expression of the Wilms Tumor Gene WT1 Blocks Intrathymic Differentiation of T-Lineage Cells

Author

Li, Hanfen, Oka, Yoshihiro, Tsuboi, Akihiro, Yamagami, Tamotsu, Miyazaki, Toru, Yusa, Sei-ichi, Kawasaki, Kotomi, Kishimoto, Yukiko, Asada, Momotaro, Nakajima, Hiroko, Kanato, Keisuke, Nishida, Sumiyuki, Masuda, Tomoki, Murakami, Masaki, Hosen, Naoki, Kawakami, Manabu, Ogawa, Hiroyasu, Melchers, Fritz, Kawase, Ichiro, Oji, Yusuke, and Sugiyama, Haruo

Published
2003
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31. Enhanced induction of human WT1-specific cytotoxic T lymphocytes with a 9-mer WT1 peptide modified at HLA-A*2402-binding residues

Author

Tsuboi, Akihiro, Oka, Yoshihiro, Udaka, Keiko, Murakami, Masaki, Masuda, Tomoki, Nakano, Akiko, Nakajima, Hiroko, Yasukawa, Masaki, Hiraki, Akio, Oji, Yusuke, Kawakami, Manabu, Hosen, Naoki, Fujioka, Tatsuya, Wu, Fei, Taniguchi, Yuki, Nishida, Sumiyuki, Asada, Momotaro, Ogawa, Hiroyasu, Kawase, Ichiro, and Sugiyama, Haruo

Published
2002
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39. Very low frequencies of human normal CD34+ haematopoietic progenitor cells express the Wilms' tumour gene WT1 at levels similar to those in leukaemia cells

Author

Hosen, Naoki, Sonoda, Yoshiaki, Oji, Yusuke, Kimura, Takafumi, Minamiguchi, Hitoshi, Tamaki, Hiroya, Kawakami, Manabu, Asada, Momotaro, Kanato, Keisuke, Motomura, Mari, Murakami, Masaki, Fujioka, Tatsuya, Masuda, Tomoki, Kim, Eui Ho, Tsuboi, Akihiro, Oka, Yoshihiro, Soma, Toshihiro, Ogawa, Hiroyasu, and Sugiyama, Haruo

Published
2002

45. First Demonstration of End-to-End Network Slicing with Transport Network Coordination and Edge Cloud Applications in 5G Era

Author

Nakamura, Shinya, primary, Shiomoto, Kohei, additional, Sugiyama, Hyde, additional, Hirota, Yusuke, additional, Yoshikane, Noboru, additional, Sugawara, Kentaro, additional, Miyabe, Masatake, additional, Eguchi, Tomotaka, additional, Okamoto, Satoru, additional, Murakami, Masaki, additional, Hirayama, Takahiro, additional, Sato, Ikuo, additional, and Roux, Thomas, additional

Published
2019
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49. Proving partial correctness of guarded horn clauses programs

Author

Murakami, Masaki, Goos, G., editor, Hartmanis, J., editor, Barstow, D., editor, Brauer, W., editor, Brinch Hansen, P., editor, Gries, D., editor, Luckham, D., editor, Moler, C., editor, Pnueli, A., editor, Seegmüller, G., editor, Stoer, J., editor, Wirth, N., editor, Furukawa, Koichi, editor, Tanaka, Hozumi, editor, and Fujisaki, Tetsunosuke, editor

Published
1988
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50. Behavioural equivalence for a graph rewriting model of concurrent programs

Author

Murakami, Masaki

Subjects
Behavior evolution -- Models, Rewriting systems (Computer science) -- Analysis, Science and technology
Abstract

Byline: Masaki Murakami This paper presents a formal model of concurrent systems based on graph rewriting to represent scopes of communication channel names precisely. A bipartite directed acyclic graph represents a concurrent system consists of a number of processes and messages. Each process or message corresponds to a source node of the graph. Names of communication channel in the system are sink nodes. The edges of the graph represent the scopes of the names in the system. The operational semantics of the system is given as a labelled transition system. The model presented here makes it possible to represent local names that their scope is not nested. The author defines the weak bisimulation equivalence relation that two systems are equivalent in their behaviours. The author shows that the equivalence relation is a congruence relation wrt prefix, new-name, replication and composition.

Published
2010

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