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Network Characteristics and Vulnerability Analysis of Chinese Railway Network under Earthquake Disasters
2020
ISPRS International Journal of Geo-Information
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First, the geographic network of Chinese railway was built based on the methods of complex network, linear reference and dynamic segmentation. ...
Second, the spatial distribution of railway network flow was analyzed by node degree, betweenness and clustering coefficient. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/ijgi9120697
fatcat:qiywh6cmxndpjm3636u47iqqeu
Risk Diffusion Modeling and Vulnerability Quantification on Japanese Human Mobility Network from Complex Network Analysis Point of View
2016
International Journal of Advanced Computer Science and Applications
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In this paper, the risk diffusion dynamics is modeled based on the SIS epidemic model and the vulnerability index is defined to quantify the node-level easiness of suffering risks. ...
However, the inter-connectivity sometimes raises unintended diffusion and amplification of the intrinsic risks, which is difficult to forecast because of the complexity of the underlying networks. ...
So far, there exist a large number of previous works which analyze regional human mobility networks based on real data. ...
doi:10.14569/ijacsa.2016.070245
fatcat:szmx5c6dzbebbgjrwtjt6qo5q4
Utilizing an Adaptive Neuro-Fuzzy Inference System (ANFIS) for Overcrowding Level Risk Assessment in Railway Stations
2020
Applied Sciences
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Second, we develop smart risk assessment and management measures (or indicators) to improve our understanding of the safety of railway stations in real-time. ...
The railway network plays a significant role (both economically and socially) in assisting the reduction of urban traffic congestion. ...
a global research network that tackles the grand challenge of railway infrastructure resilience and advanced sensing in extreme environments (www.risen2rail.eu). ...
doi:10.3390/app10155156
fatcat:zllviurbqzgeppjcgixogztc5u
Towards the Internet of Smart Trains: A Review on Industrial IoT-Connected Railways
2017
Sensors
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of Internet of Trains. ...
The advantages of the latest generation of broadband communication systems (e.g., LTE, 5G, IEEE 802.11ad) and the emergence of Wireless Sensor Networks (WSNs) for the railway environment are also explained ...
, TEC2016-75067-C4-1-R) and ERDF funds of the EU (AEI/FEDER, UE). ...
doi:10.3390/s17061457
pmid:28635672
pmcid:PMC5492363
fatcat:okyqqvhtqbc5vgjafqgpt6p7ba
Cascading Failure Analysis on Shanghai Metro Networks: An Improved Coupled Map Lattices Model Based on Graph Attention Networks
2021
International Journal of Environmental Research and Public Health
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This paper presents an improved coupled map lattices (CMLs) model based on graph attention networks (GAT) to study the cascading failure process of metro networks. ...
Analysis of the robustness and vulnerability of metro networks has great implications for public transport planning and emergency management, particularly considering passengers' dynamic behaviors. ...
While both models can be used to simulate the dynamic behavior of real complex systems and qualitatively reveal their dynamic patterns, CMLs focus more on the topology coupling strength and passenger flow ...
doi:10.3390/ijerph19010204
pmid:35010463
pmcid:PMC8751071
fatcat:xt4myvh4i5htnnyoudgnzknpii
Exploring the Characteristics of High-Speed Rail and Air Transportation Networks in China: A Weighted Network Approach
2021
Journal of International Logistics and Trade
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This study explores the characteristics of high-speed rail (HSR) and air transportation networks in China based on the weighted complex network approach. ...
Moreover, we analyze the network robustness of HSR, air transportation, and multimodal networks by measuring weighted efficiency (WE) subjected to the highest weighted centrality node attacks. ...
Robustness of air transportation and high-speed rail networks Aside from SNA, air transportation and HSR networks have been analyzed as complex networks in the frame of graph theory in order to understand ...
doi:10.24006/jilt.2021.19.2.096
fatcat:nvbdv3h7w5bkdhdqxk33upvuta
Detecting Flow Anomalies in Distributed Systems
[article]
2014
arXiv
pre-print
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Using only coarse-grained information from the two end points of network flows, we propose a network transmission model and a localization algorithm, to detect the location of anomalies and rank them using ...
These anomalies are difficult to detect because the distributed systems may not have sufficient sensors to monitor the flow of traffic within the interconnected nodes of the networks. ...
ACKNOWLEDGMENT We would like to thank the Land Transport Authority (LTA) of Singapore for sharing with us the EZLink dataset. ...
arXiv:1407.6064v3
fatcat:d3fmemssffg27pmpja745wcita
Automated Big Traffic Analytics for Cyber Security
[article]
2018
arXiv
pre-print
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In terms of big data's three characteristics --- volume, variety and velocity, we review three state of the art techniques to mitigate the key challenges including real-time traffic classification, unknown ...
Readers are encouraged to devote to improving the performance and practicability of automatic traffic analytic in cyber security. ...
and complex network. ...
arXiv:1804.09023v1
fatcat:vh3agewlkrc2ji4kcrg4si26sm
Detecting Flow Anomalies in Distributed Systems
2014
2014 IEEE International Conference on Data Mining
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Using only coarse-grained information from the two end points of network flows, we propose a network transmission model and a localization algorithm, to detect the location of anomalies and rank them using ...
These anomalies are difficult to detect because the distributed systems may not have sufficient sensors to monitor the flow of traffic within the interconnected nodes of the networks. ...
The current models have not considered the notion of peak and off-peak usage of the traffic patterns in networks of distributed systems. ...
doi:10.1109/icdm.2014.94
dblp:conf/icdm/ChuaLH14
fatcat:kgjbodj5ajgn5ohim5l67mcwyi
Issues on Vulnerability of Passenger Transportation System
2016
Journal of KONBiN
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This gives the possibility to define the public transportation system's vulnerability assessment as an element of process controlling performed by a carrier. ...
Article ends with some conclusions and directions for future research. ...
in China, Reliability Engineering and System Safety, 142, 2015, pp. 248-257. [23] Ouyang M., Zhao L., Hong L., Pan Z.: Comparisons of complex network based models and real train flow model to analyze Chinese ...
doi:10.1515/jok-2016-0009
fatcat:5jawva65nfeapfjqjpjrbwmwna
Business relations between Ukraine and China: development options
2017
SHS Web of Conferences
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In the article were analyzed the present state of business relations of Ukraine and People's Republic of China (PRC). ...
Investigations of state threats to economic security were made; options of changes in the commodity flows structure were suggested, as well as the prospects of cooperation between the two countries on ...
temporarily occupied territory), an extensive network of railways and automobile roads facilitate to this. ...
doi:10.1051/shsconf/20173901022
fatcat:3kh4h6bpnvaepbsgbuidomju4i
Which High-Speed Rail? LARG Approach between Plan and Design
2021
Future Transportation
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a new line with speeds of 300 km/h with heavy freight trains, and building a new line with speeds of 300 km/h without heavy freight trains. ...
Italy is an important case study at the international level because it is possible to extend the HSR network in three different ways: upgrading existing lines by increasing the speed to 200 km/h, building ...
Acknowledgments: Special thanks to the two reviewers for their suggestions for improvements: both for the elimination and modification of existing parts, and for the insertion of new parts. ...
doi:10.3390/futuretransp1020013
fatcat:6fltzds4zrh6zo4rkbdnbvg3iu
Integrated railway design using Infrastructure-Building Information Modeling. The case study of the port of Venice
2020
Transportation Research Procedia
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This work is focused on the study of the I-BIM methodologies for the transport infrastructures (in particular railway infrastructures), analyzing a case study related to the port of Venice. ...
This work is focused on the study of the I-BIM methodologies for the transport infrastructures (in particular railway infrastructures), analyzing a case study related to the port of Venice. ...
by pairwise comparisons, conversion of these evaluations to numerical weights and calculation of a score for each alternative). ...
doi:10.1016/j.trpro.2020.02.084
fatcat:g4fr4hrkcncrtk5dk3uhaebqpi
Direct and Indirect Economic Losses Using Typhoon-Flood Disaster Analysis: An Application to Guangdong Province, China
2020
Sustainability
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, vulnerability, and resilience, with 11 indicators. ...
A new method for computing risk based on spatial and temporal cumulative patterns of typhoon-induced flood disasters was introduced. ...
To analyze the indirect economic impact of typhoons and induced flood disasters, we combine the risk and direct impact of those effects to simulate more complex and realistic scenarios in this paper. ...
doi:10.3390/su12218980
fatcat:cuz4si4tlfa5fcbhhlbeanuhae
Literature Review of Socioeconomic and Environmental Impacts of High-Speed Rail in the World
2021
Sustainability
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The approach revealed interesting patterns and trends in space, time, and sentiment of the analyzed impacts on society, the economy, and the environment. ...
This paper systematically reviews and classifies impact areas of HSR deployments around the world as well as the analytical methods used to evaluate those impacts. ...
According to a study by Chinese and U.S. economists, extending bullet trains can increase the value of the real estate, improve the quality of life, reduce air pollution, reduce traffic congestion, and ...
doi:10.3390/su132112231
fatcat:sfrypi332bbinadcqxthoxru6q
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