Titlebook: System of Human Activity Systems; A Novel Way to Visua Takafumi Nakamura Book 2023 The Editor(s) (if applicable) and The Author(s), under e

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Survey of Current Methodologies,ty of approaches are element-reductive and have limited effectiveness in their application. In the field of social systems science, the author has examined the Normal Accident Theory (Perrow), Man-made Disaster (Turner and Pidgeon), Heinrich’s law, and the “normalized deviance effect” as the cause o

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Transformation of SOSF Space into Topological Space to Quantify and Visualize Risk,rstand system failures holistically with various stakeholders. On the other hand, there is a shortcoming in quantitative aspects. This is the major obstacle to assessing the effectiveness of various measures to mitigate system risk. To overcome this shortcoming, this chapter expresses system risk nu

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Reconsidering SOSF from the Perspective of HAS,ge model of Soft Systems Methodology (SSM) (Checkland). The success of the system of system failures (SOSF) may indicate the success of the System of human activity systems (SOHAS) for all human activities. The possibility of applying SOHAS to various human activity systems has been demonstrated, an

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Viewing Human Error as a HAS (Proposed Framework for Ensuring Holistic Measures and its Application factors play a crucial role in promoting ICT system safety. The Tokyo stock exchange was crushed on the November 01, 2005, by an operation error, which had a severe impact on the global. The human factors (operator error, maintenance engineers’ error, etc.) cause severe impacts on not only ICT syst

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Total System Intervention for System Failures and its Application to ICT Systems, is a meta-methodology in critical system thinking for managing complex and differing viewpoints. The author proposes the actual application scenario, or “total system intervention for system failures (TSI for SF).” TSI for SF identifies the stakeholders in the failure using a matrix that shows for

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Discussion of the Application Results,clarified in Sect. . are:.The countermeasures for the human errors detected in Phase 3 are discussed in Chap. ...In Sect. ., three learnings were obtained regarding the results of the application of SFDM.