Keping Li
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View article: Study on the Impact of Net Interest Margin on Income Diversification of A-Share Listed Commercial Banks
Study on the Impact of Net Interest Margin on Income Diversification of A-Share Listed Commercial Banks Open
This paper, based on quarterly data from listed commercial banks in China, constructs a two-way fixed-effects panel model to analyze the impact of quarterly net interest margin on income structure diversification. Sub-sample analyses are c…
View article: Novel Approach for Quantifying the Propagation of Subway Equipment Faults by Using Multimodal Networks
Novel Approach for Quantifying the Propagation of Subway Equipment Faults by Using Multimodal Networks Open
In subway systems, equipment failures can lead to train stoppages, delays, or even accidents, severely affecting the safety of train operations. It is crucial for emergency handling to identify the vulnerable areas and explore propagation …
View article: An expert generation model for accident analysis based on text data
An expert generation model for accident analysis based on text data Open
As the narrative part to extend the accident-related content, text data can help understand the mechanism of accidents, which is always neglected in quantitative accident analysis. This paper presents a novel expert generation model to ext…
View article: The prediction of potential risk path in railway traffic events
The prediction of potential risk path in railway traffic events Open
In railway traffic operation, the prediction of risk path is one of the important issues because it can ensure the potential consequences are effectively mitigated and controlled to prevent the domino effect. However, it is quite difficult…
View article: A Link Prediction Method Based on Neural Networks
A Link Prediction Method Based on Neural Networks Open
Link prediction to optimize network performance is of great significance in network evolution. Because of the complexity of network systems and the uncertainty of network evolution, it faces many challenges. This paper proposes a new link …
View article: Dynamic Path Flow Estimation Using Automatic Vehicle Identification and Probe Vehicle Trajectory Data: A 3D Convolutional Neural Network Model
Dynamic Path Flow Estimation Using Automatic Vehicle Identification and Probe Vehicle Trajectory Data: A 3D Convolutional Neural Network Model Open
Dynamic path flows, referring to the number of vehicles that choose each path in a network over time, are generally estimated with the partial observations as the input. The automatic vehicle identification (AVI) system and probe vehicle t…
View article: Dynamic Railway Derailment Risk Analysis with Text-Data-Based Bayesian Network
Dynamic Railway Derailment Risk Analysis with Text-Data-Based Bayesian Network Open
In recent years, transportation system safety analysis has become increasingly challenging and highly demanding. Unstructured data contain sufficient information from which inherent interactions can be extracted. Determining how to process…
View article: Network-Based Bag-of-Words Model for Text Classification
Network-Based Bag-of-Words Model for Text Classification Open
The rapidly developing internet and other media have produced a tremendous amount of text data, making it a challenging and valuable task to find a more effective way to analyze text data by machine. Text representation is the first step f…
View article: Optimisation of Bus Stop Layout Based on Time Distance Trajector
Optimisation of Bus Stop Layout Based on Time Distance Trajector Open
Under the background of arterial coordinated control, the location of a bus stop has a considerable influence on bus operations. In this study, the optimisation of the bus stop layout was investigated. Based on the time distance graph and …
View article: A Network Method for Identifying the Root Cause of High-Speed Rail Faults Based on Text Data
A Network Method for Identifying the Root Cause of High-Speed Rail Faults Based on Text Data Open
Root cause identification is an important task in providing prompt assistance for diagnosis, security monitoring and guidance for specific routine maintenance measures in the field of railway transportation. However, most of the methods ad…
View article: A Group-Based Signal Timing Optimization Model Considering Safety for Signalized Intersections with Mixed Traffic Flows
A Group-Based Signal Timing Optimization Model Considering Safety for Signalized Intersections with Mixed Traffic Flows Open
The conventional stage-based signal control approach with uniform phase structure has been dominantly applied at signalized intersections in China. However, this approach cannot efficiently handle mixed traffic flows with unbalanced volume…
View article: Metro Timetabling for Time-Varying Passenger Demand and Congestion at Stations
Metro Timetabling for Time-Varying Passenger Demand and Congestion at Stations Open
For the train timetabling problem (TTP) in a metro system, the operator-oriented and passenger-oriented objectives are both important but partly conflicting. This paper aims to minimize both objectives by considering frequency (in the line…
View article: Real-time energy-saving metro train rescheduling with primary delay identification
Real-time energy-saving metro train rescheduling with primary delay identification Open
This paper aims to reschedule online metro trains in delay scenarios. A graph representation and a mixed integer programming model are proposed to formulate the optimization problem. The solution approach is a two-stage optimization method…
View article: Dynamic Eco-Driving Speed Guidance at Signalized Intersections: Multivehicle Driving Simulator Based Experimental Study
Dynamic Eco-Driving Speed Guidance at Signalized Intersections: Multivehicle Driving Simulator Based Experimental Study Open
Variations in vehicle fuel consumption and gas emissions are usually associated with changes in cruise speed and the aggressiveness of drivers’ acceleration/deceleration, especially at traffic signals. In an attempt to enhance vehicle fuel…
View article: A Numerical Optimization Technique for Scheduling Non-uniform Metro Trains under Time-varying Passenger Demands
A Numerical Optimization Technique for Scheduling Non-uniform Metro Trains under Time-varying Passenger Demands Open
Urban rail transit is costly and often overloaded. Thus, the motivation of this paper is to develop specific operating strategies to reduce cost and improve service level. This paper proposed a numerical optimization technique to optimize …
View article: Pedestrians' Safety Perception at Signalized Intersections in Shanghai
Pedestrians' Safety Perception at Signalized Intersections in Shanghai Open
Pedestrians are the most vulnerable users at signalized intersections, and their incorrect behaviors such as signal violation, and not crossing at crosswalks etc., which is greatly determined by their safety perceptions, makes the situatio…
View article: Understanding cyclists’ risky route choice behavior on urban road sections
Understanding cyclists’ risky route choice behavior on urban road sections Open
Cyclists are vulnerable road users in traffic accidents. The safety problem caused by risky behavior of cyclists is severe. This study is intended to understand cyclists' risky route choice behavior on road sections from the view point of …
View article: Statistic Characteristics Analysis of Railway Hazard Causation based on Complex Network
Statistic Characteristics Analysis of Railway Hazard Causation based on Complex Network Open
Quantitative analysis of the potential causes of railway accidents is essential for ensuring the safety of railway.In this context, this paper proposes a directed railway hazard causation network (DRHCN) based on the complex network theory…
View article: Prediction of arrival flow profile of transit stream on link
Prediction of arrival flow profile of transit stream on link Open
It is essential in coordinated control to analyses the relationship of vehicular stream between upstream and downstream on arterial, and the arrival flow profile of section is a useful tool to describe the relationship. The arrival flow pr…
View article: Recent Advances and Emerging Issues in Transport Research – An Editorial Note for the Selected Proceedings of WCTR 2016 Shanghai
Recent Advances and Emerging Issues in Transport Research – An Editorial Note for the Selected Proceedings of WCTR 2016 Shanghai Open
This edition of Transportation Research Procedia includes full papers which have been successfully reviewed and presented at the World Conference on Transport Research (WCTR) held at Tongji University in Shanghai (China) on 10-15 July 2016…
View article: Optimization of bus stops layout under the conditions of coordinated control
Optimization of bus stops layout under the conditions of coordinated control Open
Arterial coordinated control and transit signal priority are effective ways to alleviate traffic congestion. Transit vehicles must enter the bus stops for passenger boarding and alighting. The research of transit signal priority should con…