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As a promising enabler for edge intelligence, Unmanned Aerial Vehicles (UAV) have become more and more important in Mobile Edge Computing Networks (MECN), such as communication, computation, collection and control service supply. Although Age of Information (AoI) minimization is indispensable for fresh information collection and computation in the UAV-aided MECN, some attackers can launch attacks to deteriorate the availability of precious channel resources, such as revealed channel access attacks (CAAs). Moreover, recent research has not considered the system’s active probability and security issues concurrently, e.g., CAA, in the average AoI minimization process. In this paper, to deal with this problem, we consider an AoI-oriented channel access problem under CAA with a game theory viewpoint. Firstly, to obtain a MECN-based AoI indicator under CAA, the system model with active probability consideration is established. Next, the channel access-based AoI minimization problem is formulated from the viewpoint of the Ordinary Potential Game (OPG). Furthermore, two algorithms called AACSD and DCASD are proposed to determine channel access strategies, by which the Nash Equilibrium (NE) solution of the OPG could be reached. Finally, experiments are conducted under homogeneous and heterogeneous parameter settings, and the simulation results evaluate the correctness and effectiveness of our proposals.

Significant efforts have been made for vehicle-to-vehicle communications that now enable the Internet of Vehicles (IoV). However, current IoV solutions are unable to capture traffic data both accurately and securely. Another drawback of current IoV models that are based on deep learning is that the methods used do not tune hyperparameters efficiently. In this paper, a new system known as Secure and Intelligent System for the Internet of Vehicles (SISIV) is developed. A deep learning architecture based on graph convolutional networks and an attention mechanism are implemented. In addition, blockchain technology is used to protect data transmission between nodes in the IoV system. Moreover, the hyperparameters of the generated deep learning model are intelligently selected using a branch-and-bound technique. To validate SISIV, experiments were conducted on four networked vehicle databases dealing with prediction problems. In terms of forecasting rate ( $>$ 90%), F-measure ( $>$ 80%), and attack detection (< 75%), the results clearly show the superiority of SISIV over baseline systems. Moreover, compared to state-of-the-art solutions based on traffic prediction, SISIV enables efficient and reliable prediction of traffic flow in an IoV context.

This paper introduces a novel deep learning architecture for identifying outliers in the context of intelligent transportation systems. The use of a convolutional neural network with decomposition is explored to find abnormal behavior in maritime data. The set of maritime data is first decomposed into similar clusters containing homogeneous data, and then a convolutional neural network is used for each data cluster. Different models are trained (one per cluster), and each model is learned from highly correlated data. Finally, the results of the models are merged using a simple but efficient fusion strategy. To verify the performance of the proposed framework, intensive experiments were conducted on marine data. The results show the superiority of the proposed framework compared to the baseline solutions in terms of several accuracy metrics.

With the rapid growth of location sensing in the Internet of Things (IoT) and Internet of Vehicles (IoV) techniques, trajectory data has been generated that can be used to describe diversity and characteristics of moving objects. The analysis and management of trajectory patterns has become an important issue in recent decades, as it supports efficient strategies and decisions based on discovered patterns and knowledge from the mobility behavior of customers or citizens in many fields and applications (e.g., smart city, intelligent transportation, location-based services, health management, etc.). Since the recent development in AI, it is possible to use AI-based techniques to analyze trajectory data at an unprecedented scale to address applicable issues of effectiveness, efficiency, accuracy, and privacy in Intelligent Transportation Systems (ITS), therefore, it is a highly competitive area to propose innovative methods, principles, procedures, techniques, frameworks, theories, and applications to address the aforementioned challenges of trajectory data in ITS. This Special Issue is intended to provide a forum for all researchers from academia and industry to share their original, creative, innovative, cutting-edge insights, theories, ideas, and developments for the analysis of trajectory data using AI-empowered techniques in ITS. In this special issue, we received 52 submissions, and finally accepted 17 articles to be published in the special issue. Below is a brief introduction to each of them.