Jun Bi’s research while affiliated with Beijing Jiaotong University and other places

... GNNs are also used for studying taxi trips. For example, Wang et al. (2024) developed a spatio-temporal GNN model for taxi route assignment. Tygesen et al. (2023) conduct experiments on NYC Yellow Taxi and provide insights on the kinds of connections GNNs use for spatio-temporal predictions in the transport domain. ...

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Graph neural network surrogate for strategic transport planning

... Multiobjective optimization algorithms, as an effective method for solving resource allocation problems, play a particularly important role in the allocation of resources within intelligent manufacturing. By optimizing multiple objectives simultaneously, a more comprehensive consideration of various constraints and demands during the production process is facilitated, achieving optimal resource allocation [6][7][8]. ...

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Multi-Objective Optimization for Resource Allocation in Intelligent Manufacturing

... Other attributes are included with the coefficients as specified by Equation 1, 2, and 4. Finally, we hypothesized that socioeconomic and travel variables could influence the choice among the alternatives. Based on this a priori hypothesis established from the literature review, socio-economic and travel variables are included: age and annual household income are introduced as continuous variables, and dummies on trip purposes are also included (Malokin et al., 2019;Zhou et al., 2023;Haboucha et al., 2017;Tu et al., 2022;Cyganski et al., 2015). Similarly, the systematic utility of Self-owned AV (SO AV) is defined, as shown in Equation 6. ...

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The Willingness to Pay for the Automated Vehicle Subscription: Insights from a Car-Oriented Population in China

... The effects of signal coordination on the MFD were investigated in [32], which stated that the impacts of the strategies were sensitive to the signal cycle length chosen (60 s, 90 s, 120 s), and a poor signal coordination reduces the network capacity and the free-flow speed. Other variables that affect the MFD include junction regulation [33], traffic signals [34][35][36], network spatial characteristics [37], buses [38], large-scale activities [39], autonomous vehicles [40][41][42][43], turning traffic [44], rainfall [45], ride pooling [46], bicycle traffic [47], traffic incidents [48], the position of the loop detectors [49], and network heterogeneity [50]. ...

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Method for the Experimental Identification of Variables and Configurations That Modify the Shape of the Macroscopic Fundamental Diagram

... Let us discuss the research developed so far in an actuarial context. In this regard, some papers have focused on the prediction of signals using other telematics and traditional covariates (see Sun et al. (2021) and Guillén et al. (2020)). Both papers benefited from the high-frequency setting of signals when performing their analysis. ...

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Weekly dynamic motor insurance ratemaking with a telematics signals bonus-malus score

... Companies like Tesla and Waymo have already done quite a good amount of research in this area, but still, it is far from perfect. The issues related to incompetency, infrastructure, and driving scenarios are the primary area of contributions done by many researchers [8][9][10][11]. Apart from that, human safety is a significant concern that is related to driver-less cars application development. Perfection should be accurate because human life should not be dealt with chances. ...

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Implementation of Genetic Algorithm for Path Estimation in Self Driving Car

... GA has been also used as an optimisation tool in a multitude of applications involving airport operations management. Liang et al. (2020) use an adaptive parallel genetic algorithm (APGA) to solve the gate assignment problem. It is claimed to be effective because it introduces the idea of elite strategy and parallel design and can adaptively adjust the crossover probability. ...

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Improving passenger satisfaction at Kuwait International Airport by using multi-objective optimisation

... Te reason is, in an airport, there are always two styles of stands, which are remote stands and the stands with boarding gates, which will be called "gated stands" in the rest of this paper. Using gated stands can increase passenger satisfaction [6]. If passengers board a fight at a gated stand, passengers can directly board the aircraft through the gate, which means the boarding distance can be considered as the walking distance. ...

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An Airport Stand Assignment Problem considering the Passenger Boarding Distance

... In order to conduct a thorough examination of telematics data and accident data, it is imperative to adopt a comprehensive perspective on the concept of risky driving. Insurance companies typically possess comprehensive knowledge regarding accidents, specifically the extent of their severity, as well as the driver's previous history (Sun et al., 2020). Telematics service providers gather data pertaining to road conditions and driving behavior. ...

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Bibliometric review of telematics-based automobile insurance: Mapping the landscape of research and knowledge

... Moreover, individuals from women and other genders are less interested in increasing the usage of this particular mode of transportation compared to their male counterparts. This aligns with findings from a prior study, which reported that men have a 4.3 times greater likelihood of using rental cars than women (Bi et al., 2020). However, the study also reveals that non-White e-scooter users and users with no automobile ownership are more likely to increase their usage of rental cars. ...

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Dissecting shared e-scooters usage patterns and its impact on other transportation modes: A case study of Portland city