Academic literature on the topic 'Propagation risk'

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Journal articles on the topic "Propagation risk"

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Yan, Huining, Hua Li, Qiubai Sun, and Yuxi Jiang. "Propagation and control of congestion risk in scale-free networks based on information entropy." PLOS ONE 19, no. 3 (2024): e0300422. http://dx.doi.org/10.1371/journal.pone.0300422.

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To study the propagation pattern of congestion risk in the traffic network and enhance risk control capabilities, a model has been developed. This model takes into account the probabilities of five threats (the risk occurrence probability; the risk of loss; the unpredictability of risk; the uncontrollability of risk; the transferability of risk) in the traffic network to define the risk entropy and determine the risk capacity, analyze the mechanism of congestion risk propagation, and explore the impact of risk resistance, the average degree of risk capacity at intersections, and the degree of
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Zhang, Xuejun, Shuaizhe Zhao, and Hao Mei. "Analysis of Airport Risk Propagation in Chinese Air Transport Network." Journal of Advanced Transportation 2022 (March 1, 2022): 1–13. http://dx.doi.org/10.1155/2022/9958810.

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In recent years, due to the close coupling between airports, airport risk propagation has become a huge challenge. However, it has not been fully understood on the network level. Airport risk can be transferred through other airports owing to connected resources. In this study, we consider two risk factors including airport delay and saturation and propose a risk coupling model based on a clustering algorithm to fit the index and form risk series. To understand the risk propagation mechanism, we build risk propagation networks based on the Granger Causality test, and we apply complex network t
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Xu, Junke, Jiwei Zhu, and Jiancang Xie. "Study on the Evolution of Risk Contagion in Urban River Ecological Management Projects Based on SEIRS." Water 15, no. 14 (2023): 2622. http://dx.doi.org/10.3390/w15142622.

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The risk transmission mechanisms of urban river ecological management engineering projects are examined in this study. Using the Susceptible Exposed Infectious Recovered Susceptible (SEIRS) model for risk transmission, a model of risk propagation delay for urban river ecological management engineering projects on scale-free networks is developed, which takes into account the effects of risk propagation and delay. We conducted a steady-state analysis of the model and obtained the basic reproduction number R. When R > 1, the equilibrium point of risk outbreak is stable, and when R < 1, the
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He, Zhenggang, Jing-Ni Guo, and Jun-Xiang Xu. "Cascade Failure Model in Multimodal Transport Network Risk Propagation." Mathematical Problems in Engineering 2019 (December 6, 2019): 1–7. http://dx.doi.org/10.1155/2019/3615903.

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The cascade failure theory is introduced into the risk propagation problem of the multimodal transport network in order to study the inherent law of risk propagation and provide theoretical support for the safety management of multimodal transport networks. Firstly, this paper analyses the characteristics of the multimodal transport network and concludes that the risk of the multimodal transport network belongs to failure risk. Secondly, the applicability of cascade failure theory is expounded. Based on cascade failure theory, a risk propagation model of the multimodal transport network is est
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Song, Yue, Naiding Yang, Yanlu Zhang, and Jingbei Wang. "Suppressing risk propagation in R&D networks: the role of government intervention." Chinese Management Studies 13, no. 4 (2019): 1019–43. http://dx.doi.org/10.1108/cms-07-2018-0621.

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Purpose This paper aims to explore what factors influence the possibility of internal and external risk propagation in R&D networks and investigate how government intervention moderates the associations between the influencing factors and risk propagation. Design/methodology/approach The authors divided government intervention into directive and facilitative intervention and adopted an empirical research approach in this study. They collected 228 questionnaires from managers and R&D personnel participating in R&D projects in Shanghai and Jiangsu province through e-mail and in perso
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Han, Yuanwen, Jiang Shen, Xuwei Zhu, Bang An, Fusheng Liu, and Xueying Bao. "Study on the Mechanism of Safety Risk Propagation in Subway Construction Projects." Sustainability 16, no. 2 (2024): 796. http://dx.doi.org/10.3390/su16020796.

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Under the development trend of complexity and systematization of metro construction, there is an increasing number of risk factors potentially affecting construction safety, which has led to frequent accidents in metro construction projects, and the road to high-quality and sustainable development of metro construction is full of challenges. One of the essential reasons is that the propagation mechanism of safety risk factors in metro construction under hidden and delayed effects is not yet clear. This paper combines the theory of complex network and propagation dynamics and constructs a subwa
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Chen, Tingting, Yan Li, Xiongfei Jiang, and Lingjie Shao. "Spatiotemporal Patterns of Risk Propagation in Complex Financial Networks." Applied Sciences 13, no. 2 (2023): 1129. http://dx.doi.org/10.3390/app13021129.

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The methods of complex networks have been extensively used to characterize information flow in complex systems, such as risk propagation in complex financial networks. However, network dynamics are ignored in most cases despite systems with similar topological structures exhibiting profoundly different dynamic behaviors. To observe the spatiotemporal patterns of risk propagation in complex financial networks, we combined a dynamic model with empirical networks. Our analysis revealed that hub nodes play a dominant role in risk propagation across the network and respond rapidly, thus exhibiting
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Liu, Yang, and Jingxin Liang. "Research on Risk Propagation in Complex Supply Chain Networks Based on SEIR Model." Frontiers in Business, Economics and Management 7, no. 3 (2023): 245–54. http://dx.doi.org/10.54097/fbem.v7i3.5586.

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The complexity of supply chain network structure makes the risk propagation among the enterprises in the supply chain more and more complicated. This paper constructs a SEIR risk propagation model for complex supply chain networks based on the analytical idea of contagion model, which reveals the risk propagation mechanism of supply chain networks from a macro perspective. The article verifies the existence of risk propagation threshold and the stability of different equilibrium points by analyzing the basic regeneration number, equilibrium point and stability of the model; explores the effect
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Ernst, Oliver G., Alois Pichler, and Björn Sprungk. "Wasserstein Sensitivity of Risk and Uncertainty Propagation." SIAM/ASA Journal on Uncertainty Quantification 10, no. 3 (2022): 915–48. http://dx.doi.org/10.1137/20m1325459.

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Fuh, Cheng-Der, and Chu-Lan Michael Kao. "Credit Risk Propagation in Structural-Form Models." SIAM Journal on Financial Mathematics 12, no. 4 (2021): 1340–73. http://dx.doi.org/10.1137/20m135340x.

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Dissertations / Theses on the topic "Propagation risk"

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Garg, Tushar. "Estimating change propagation risk using TRLs and system architecture." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/110134.

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Thesis: S.M. in Engineering and Management, Massachusetts Institute of Technology, School of Engineering, System Design and Management Program, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 27-28).<br>Risk estimation is a key activity for product development and technology integration programs. There are a number of decision support tools that help project managers identify and mitigate risks in a project, however few explicitly consider the effects of architecture on risk. We propose a novel risk estimation framework that includes considerations
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Selda, Konukcu. "Application Of Risk Management Process On Wave Propagation In Aerospace Medium." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/3/12607606/index.pdf.

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In this thesis, risk management methods are investigated in order to integrate risk management practices into the Turkish Aerospace industry. The research presents the sequence of risk management processes as identification of risk, analysis of risk, risk planning etc. Risk analysis methods named as Risk Ranking and Analytical Hierarchy Process (AHP) are investigated in order to improve reliability and safety of the systems or processes in the aerospace industry. The main aim of using risk ranking and AHP together is to translate the knowledge in the Turkish Aviation Industry to a tangible for
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Ghadge, Abhijeet. "A systems thinking approach for modelling supply chain risk propagation." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/13561.

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Supply Chain Risk Management (SCRM) is rapidly becoming a most sought after research area due to the influence of recent supply chain disruptions on global economy. The thesis begins with a systematic literature review of the developments within the broad domain of SCRM over the past decade. Thematic and descriptive analysis supported with modern knowledge management techniques brings forward seven distinctive research gaps for future research in SCRM. Overlapping research findings from an industry perspective, coupled with SCRM research gaps from the systematic literature review has helped to
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Kumar, Vikas. "Soft computing approaches to uncertainty propagation in environmental risk mangement." Doctoral thesis, Universitat Rovira i Virgili, 2008. http://hdl.handle.net/10803/8558.

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Real-world problems, especially those that involve natural systems, are complex and composed of many nondeterministic components having non-linear coupling. It turns out that in dealing with such systems, one has to face a high degree of uncertainty and tolerate imprecision. Classical system models based on numerical analysis, crisp logic or binary logic have characteristics of precision and categoricity and classified as hard computing approach. In contrast soft computing approaches like probabilistic reasoning, fuzzy logic, artificial neural nets etc have characteristics of approximation and
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Fang, Chao. "Modeling and Analysing Propagation Behavior in Complex Risk Network : A Decision Support System for Project Risk Management." Phd thesis, Ecole Centrale Paris, 2011. http://tel.archives-ouvertes.fr/tel-01018574.

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Project risk management is a crucial activity in project management. Nowadays, projects are facing a growing complexity and are thus exposed to numerous and interdependent risks. However, existing classical methods have limitations for modeling the real complexity of project risks. For example, some phenomena like chain reactions and loops are not properly taken into account. This Ph.D. thesis aims at analyzing propagation behavior in the project risk network through modelling risks and risk interactions. An integrated framework of decision support system is presented with a series of proposed
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Esperon, Miguez Manuel. "Financial and risk assessment and selection of health monitoring system design options for legacy aircraft." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/8062.

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Aircraft operators demand an ever increasing availability of their fleets with constant reduction of their operational costs. With the age of many fleets measured in decades, the options to face these challenges are limited. Integrated Vehicle Health Management (IVHM) uses data gathered through sensors in the aircraft to assess the condition of components to detect and isolate faults or even estimate their Remaining Useful Life (RUL). This information can then be used to improve the planning of maintenance operations and even logistics and operational planning, resulting in shorter maintenance
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Xuan, Yunqing. "Uncertainty propagation in complex coupled flood risk models using numerical weather prediction and weather radars." Thesis, University of Bristol, 2007. http://hdl.handle.net/1983/c76c4eb0-9c9e-4ddc-866c-9bbdbfa4ec25.

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The role of flood forecasting is becoming increasingly important as the concept of risk-based approach is accepted in flood risk management. The risk-based approach not only requires efficient and abundant information for decision making in a risk framework. but needs the uncertainty appropriately accounted for and expressed. The rapid development in numerical weather prediction and weather radar technology make it feasible to provide precipitation predictions and observations for flood warning and forecasting that benefit from the extended lead-time. Although the uncertainty issues related to
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LARI, SERENA. "Multi scale heuristic and quantitative multi-risk assessment in the Lombardy region, with uncertainty propagation." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2009. http://hdl.handle.net/10281/7550.

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In this thesis, some methodologies for multi-risk assessment are presented, that can be applied to regional or local scale. At the local scale, the problem of uncertainty propagation in risk assessment is treated, testing different methodology for calculation. The work is organised in four parts: 1. Multi risk analysis at the regional scale in Lombardy (PRIM project, 2007). The methodology integrates information with different degree of accuracy into an indicator based approach, in order to develop a regional scale multirisk assessment and to identify “hot spot” risk areas for more deta
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Akiode, Olukemi Adejoke. "Examination and management of human African Trypanosomiasis propagation using geospatial techniques." Thesis, Abertay University, 2014. https://rke.abertay.ac.uk/en/studentTheses/9419b401-6604-4530-9938-57ab03234e67.

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Human African Trypanosomiasis (HAT) is a vector-borne disease transmitted by the bite of the tsetse fly that results in high human morbidity and mortality. The propagation of the disease has been linked to environmental factors, and understanding the vector’s habitat is vital to its control. There is no HAT vaccine, but biological control of the vector has been successful in reducing HAT incidence. However, in recent years the disease has re-emerged and spread. Due to insufficient knowledge of HAT endemic foci, the disease management remains challenging. To achieve effective deployment of cont
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Aksen, Ernest, Jacek Cukrowski, and Manfred M. Fischer. "Propagation of Crises Across Countries: Trade Roots of Contagion Effects." WU Vienna University of Economics and Business, 2001. http://epub.wu.ac.at/4235/1/WGI_DP_7801.pdf.

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The paper provides an explanation of the mechanisms underlying trade roots of the contagion effects emanating from the recent turmoils. It is argued that under demand uncertainty risk averse behavior of firms provides a basis for international trade. The paper shows by means of a simple two-country model that risk averse firms operating in perfectly competitive markets with uncertainty of demand tend to diversify markets what gives a basis for international trade in identical commodities even between identical countries. It is shown that such trade may be welfare improving despite effici
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Books on the topic "Propagation risk"

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Ben Mahmoud, Mohamed Slim, Nicolas Larrieu, and Alain Pirovano. Risk Propagation Assessment for Network Security. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118579947.

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Grigoriu, Mircea. Stochastic Systems: Uncertainty Quantification and Propagation. Springer London, 2012.

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Cotaras, Frederick D. Acoustic propagation loss predictions for a site on the Bermuda rise at low and very low frequencies. National Defence, Research and Development Branch, 1992.

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Risk Propagation Assessment for Network Security Focus Series. ISTE Ltd and John Wiley & Sons Inc, 2013.

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Pirovano, Alain, Mohamed Slim Ben Mahmoud, and Nicolas Larrieu. Risk Propagation Assessment for Network Security: Application to Airport Communication Network Design. Wiley & Sons, Incorporated, John, 2013.

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Pirovano, Aliain, Nicolas Larrieu, and Ben Mahmoud. Risk Propagation Assessment for Network Security: Application to Airport Communication Network Design. Wiley & Sons, Incorporated, John, 2013.

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Pirovano, Alain, Mohamed Slim Ben Mahmoud, and Nicolas Larrieu. Risk Propagation Assessment for Network Security: Application to Airport Communication Network Design. Wiley & Sons, Incorporated, John, 2013.

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Pirovano, Alain, Mohamed Slim Ben Mahmoud, and Nicolas Larrieu. Risk Propagation Assessment for Network Security: Application to Airport Communication Network Design. Wiley & Sons, Incorporated, John, 2013.

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Pirovano, Alain, Mohamed Slim Ben Mahmoud, and Nicolas Larrieu. Risk Propagation Assessment for Network Security: Application to Airport Communication Network Design. Wiley & Sons, Incorporated, John, 2013.

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Grigoriu, Mircea. Stochastic Systems: Uncertainty Quantification and Propagation. Springer, 2014.

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Book chapters on the topic "Propagation risk"

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Botteghi, Elisa, Davide Pastorello, and Daniele Tantari. "Cyber Risk Propagation on Networks." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-68738-9_24.

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Ben Mahmoud, Mohamed Slim, Nicolas Larrieu, and Alain Pirovano. "A Quantitative Network Risk Assessment Methodology Based on Risk Propagation." In Risk Propagation Assessment for Network Security. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118579947.ch3.

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Ben Mahmoud, Mohamed Slim, Nicolas Larrieu, and Alain Pirovano. "Security Risk Management Background." In Risk Propagation Assessment for Network Security. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118579947.ch2.

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Moss, Robb Eric S. "Functions of Random Variables: Error Propagation." In Applied Civil Engineering Risk Analysis. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22680-0_5.

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Fumagalli, Mattia, Gal Engelberg, Tiago Prince Sales, et al. "On the Semantics of Risk Propagation." In Lecture Notes in Business Information Processing. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-33080-3_5.

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Ben Mahmoud, Mohamed Slim, Nicolas Larrieu, and Alain Pirovano. "Introduction to Information System Security Risk Management Process." In Risk Propagation Assessment for Network Security. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118579947.ch1.

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Ben Mahmoud, Mohamed Slim, Nicolas Larrieu, and Alain Pirovano. "The Aeromacs Communication System in the SESAR Project." In Risk Propagation Assessment for Network Security. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118579947.ch4.

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Ben Mahmoud, Mohamed Slim, Nicolas Larrieu, and Alain Pirovano. "Aeronautical Network Case Study." In Risk Propagation Assessment for Network Security. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118579947.ch5.

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Häring, Ivo. "Hazard Propagation I: Explosions and Blast." In Risk Analysis and Management: Engineering Resilience. Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-10-0015-7_6.

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Ma, Mingyuan. "Financial Risk Propagation Model Under Network Technology." In Application of Intelligent Systems in Multi-modal Information Analytics. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-05237-8_12.

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Conference papers on the topic "Propagation risk"

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Duan, Baofu, Yunqian Yang, Zhe Jing, Yuguan Wei, Anni Chu, and Liankai Bu. "Back Propagation Neural Network Model for Railway Risk Warning." In 2024 6th International Conference on Electronics and Communication, Network and Computer Technology (ECNCT). IEEE, 2024. http://dx.doi.org/10.1109/ecnct63103.2024.10704325.

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Li, Xinhua. "Audit Risk Identification based on Back Propagation Neural Network with Lasso Regularization." In 2025 4th International Conference on Distributed Computing and Electrical Circuits and Electronics (ICDCECE). IEEE, 2025. https://doi.org/10.1109/icdcece65353.2025.11035816.

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Meng, Xiaqing, Jingyang Gong, and Qi Ni. "Research on Risk Propagation Model of Power Transmission Network Based on Intervention Strategies." In 2024 4th International Conference on Electronic Information Engineering and Computer Science (EIECS). IEEE, 2024. https://doi.org/10.1109/eiecs63941.2024.10800598.

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Zhan, Yanping, Jian Rui Feng, Guanghui Yu, and Shouxiang Lu. "Dynamic risk assessment of single accidents chain based on inter-node accident propagation probability." In 2024 6th International Conference on System Reliability and Safety Engineering (SRSE). IEEE, 2024. https://doi.org/10.1109/srse63568.2024.10772532.

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Ni, Qi, Jingyang Gong, and Xiaqing Meng. "A Study on Risk Propagation in Power Transmission Networks Based on the SEIR Model." In 2024 4th International Conference on Electronic Information Engineering and Computer Science (EIECS). IEEE, 2024. https://doi.org/10.1109/eiecs63941.2024.10800380.

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Yifan, HU, and FENG Liangqing. "Research on Risk Propagation in Production and Marketing Supply Chain based on SIR Model." In The 14th International Conference on Logistics and Systems Engineering. Aussino Academic Publishing House, 2025. https://doi.org/10.52202/078960-0074.

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Zhou, Chao. "Risk Assessment of Bank Green Credit Using Levenberg-Marquardt Algorithm Based Back Propagation Neural Network." In 2024 International Conference on Data Science and Network Security (ICDSNS). IEEE, 2024. http://dx.doi.org/10.1109/icdsns62112.2024.10691010.

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Al-Waranbi, Maslat, Khalid BaBakri, and Saad M. Al-Muaili. "Investigating Crack Initiation and Propagation from Hard Spots in TMCP Steels Exposed to Wet Sour Environments." In MECC 2023. AMPP, 2023. https://doi.org/10.5006/mecc2023-20109.

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Abstract This work investigates crack initiation and propagation from Hard Spots in TMCP steel surfaces that are exposed to wet sour environment. This paper evaluates the TMCP steel behavior and susceptibility to sulfide stress cracking (SSC) with hard spot when exposed to severe wet sour environments This investigation shall explore the effect of extreme sour conditions beyond ZONE III as per NACE MR0175 [1]. This research addresses concerns related to risks associated with TMCP steels when used in pipeline to transport wet sour oil or gas. One of these risks is the presence of hard spots tha
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Pacheco, M., and J. F. Vasconcellos. "Probabilistic assessment of leachate propagation in the groundwater by an uncontrolled landfill." In RISK ANALYSIS 2006. WIT Press, 2006. http://dx.doi.org/10.2495/risk060191.

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Persson, K., J. Jarsjö, C. Prieto, and G. Destouni. "Propagation of environmental risk from contaminant transport through groundwater and stream networks." In RISK ANALYSIS 2008. WIT Press, 2008. http://dx.doi.org/10.2495/risk080061.

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Reports on the topic "Propagation risk"

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Hohmann, Matthew, and Wade Wall. Operational-scale demonstration of propagation protocols and comparative demographic monitoring for reintroducing five southeastern endangered and at-risk plants : final report. Construction Engineering Research Laboratory (U.S.), 2018. http://dx.doi.org/10.21079/11681/26525.

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Acharya, Viral V., Nicola Cetorelli, and Bruce Tuckman. Where Do Banks End and NBFIs Begin? Federal Reserve Bank of New York, 2024. http://dx.doi.org/10.59576/sr.1119.

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In recent years, assets of nonbank financial intermediaries (NBFIs) have grown significantly relative to those of banks. These two sectors are commonly viewed either as operating in parallel, performing different activities, or as substitutes, performing substantially similar activities, with banks inside and NBFIs outside the perimeter of banking regulation. We argue instead that NBFI and bank businesses and risks are so interwoven that they are better described as having transformed over time, rather than as having migrated from banks to NBFIs. These transformations are at least in part a re
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Schad, Aaron, Shakhar Misir, Melissa Meyer, et al. Vegetation establishment and management in USACE floodwater detention basins : Greens Bayou Flood Risk Management Mitigation Project. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/49438.

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This report documents efforts by the US Army Engineer Research and Development Center (ERDC) in assisting the US Army Corps of Engineers (USACE) Galveston District (SWG) in native vegetation establishment design, propagation, installation, monitoring, and adaptive management for the mitigation requirements of the Greens Bayou Flood Risk Management Project. Specifically, to provide (1) a vegetation establishment design ensuring development of sustainable native plant communities compatible with flooding and drought events; (2) suitable native aquatic, wetland, and woody plants for project use;
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Weeks, Timothy "Dash." DTPH56-13-X-000013 Modern High-Toughness Steels for Fracture Propagation and Arrest Assessment-Phase II. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0012037.

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NIST work developed processes to identify the stress/strain/crack velocity conditions for unstable high-rate ductile crack propagation found in a full-scale pipeline burst test and duplicate those conditions in a medium-scale test. With modeling to validate conditions and assumptions used in reducing the scale of the tests. A medium-scale test to elucidate material property data necessary to qualify high-strength high-toughness steels based on the correlation to large-scale tests. Parametric determination of the material properties governing fracture propagation or arrest-ability was developed
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García-Lembergman, Ezequiel, Ina Hajdini, John Leer, Mathieu Pedemonte, and Raphael Schoenle. The Expectations of Others. Inter-American Development Bank, 2024. http://dx.doi.org/10.18235/0013191.

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Using a novel dataset that integrates inflation expectations with information on social network connections, we show that inflation expectations within one's social network have a positive, causal relationship with individual inflation expectations. This relationship is stronger for groups that share common demographic characteristics such as gender, income, or political affiliation and when salient information disseminates through the network. In a monetary union New-Keynesian model, socially determined inflation expectations induce imperfect risk-sharing and can affect the inflation and real
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Canales, Nella, Mikael Allan Mikaelsson, Richard J. T. Klein, Frida Lager, and Carlo Aall. Risk ownership for transboundary climate risks in global supply chains. Stockholm Environment Institute, 2025. https://doi.org/10.51414/sei2025.016.

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Transboundary climate risks pose complex challenges, propagating across borders and sectors and affecting global supply chains, economies and governance systems. However, the ownership of these risks remains unclear, making adaptation efforts fragmented and less effective. This paper introduces a framework to map risk ownership in global supply chains, helping identify key stakeholders, assets and objectives at risk. By applying this framework to the case of Brazilian-produced soy products imported for fish food in Norway, we illustrate how climate risks – and the adaptation measures to addres
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Vecherin, Sergey, Stephen Ketcham, Aaron Meyer, Kyle Dunn, Jacob Desmond, and Michael Parker. Short-range near-surface seismic ensemble predictions and uncertainty quantification for layered medium. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/45300.

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To make a prediction for seismic signal propagation, one needs to specify physical properties and subsurface ground structure of the site. This information is frequently unknown or estimated with significant uncertainty. This paper describes a methodology for probabilistic seismic ensemble prediction for vertically stratified soils and short ranges with no in situ site characterization. Instead of specifying viscoelastic site properties, the methodology operates with probability distribution functions of these properties taking into account analytical and empirical relationships among viscoela
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Bain, Rachel, Richard Styles, and Jared Lopes. Ship-induced waves at Tybee Island, Georgia. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/46140.

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Commercial vessels transiting the Savannah entrance channel intermittently generate large wake events at Tybee Island, Georgia, creating a potential hazard for beachgoers. However, not all commercial vessels generate large wakes, and the relationship between vessel dimensions, operating conditions, wake height, and drawdown magnitude is unclear. This study evaluates bathymetric data, high-frequency wave and vessel wake measurements, and broadcast vessel identification over a 4-month period with the goal of providing a quantitative characterization of vessel wake conditions at Tybee Island. Dat
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Hossain, Niamat Ullah Ibne, Raed Jaradat, Seyedmohsen Hosseini, Mohammad Marufuzzaman, and Randy Buchanan. A framework for modeling and assessing system resilience using a Bayesian network : a case study of an interdependent electrical infrastructure systems. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40299.

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This research utilizes Bayesian network to address a range of possible risks to the electrical power system and its interdependent networks (EIN) and offers possible options to mitigate the consequences of a disruption. The interdependent electrical infrastructure system in Washington, D.C. is used as a case study to quantify the resilience using the Bayesian network. Quantification of resilience is further analyzed based on different types of analysis such as forward propagation, backward propagation, sensitivity analysis, and information theory. The general insight drawn from these analyses
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Kanninen, M. F. L51718 Development and Validation of a Ductile Fracture Analysis Model. Pipeline Research Council International, Inc. (PRCI), 1994. http://dx.doi.org/10.55274/r0010321.

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In close cooperation with the Centro Sviluppo Materiali (CSM) and SNAM of Italy, with several years of support from the PRCI NG-18 committee, the Southwest Research Institute (SwRI) has developed and validated a "first principles" predictive model for ductile fracture in a gas transmission pipeline. In particular, the coordinated SwRI and CSM projects for the PRC -supplemented by work contributed by SNAM - has established a theoretically valid methodology and an accompanying line pipe material characterization procedure for gas industry use. This progress provides a theoretically sound framewo
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