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438 Results Found

  • Article
  • Open Access
1 Citations
2,906 Views
15 Pages

31 December 2021

In the computer vision field, understanding human dynamics is not only a great challenge but also very meaningful work, which plays an indispensable role in public safety. Despite the complexity of human dynamics, physicists have found that pedestria...

(This article belongs to the Special Issue Deep Learning in Object Detection and Tracking)
  • Article
  • Open Access
12 Citations
5,796 Views
16 Pages

30 December 2020

Accurate and fast path calculation is essential for applications such as vehicle navigation systems and transportation network routing. Although many shortest path algorithms for restricted search areas have been developed in the past ten years to sp...

(This article belongs to the Special Issue Mobile Multi-Sensors in Positioning, Navigation, and Mapping Applications)
  • Article
  • Open Access
2 Citations
2,931 Views
26 Pages

10 December 2025

This study presents a comparative evaluation of Dijkstra’s algorithm, A*, Bellman-Ford, AI-Augmented A* and a neural AI-based model for shortest-path computation across diverse graph topologies, with a focus on time efficiency and memory consum...

  • Article
  • Open Access
13 Citations
8,478 Views
20 Pages

Calculating the least-cost path (LCP) is a fundamental operation in raster-based geographic information systems (GIS). The LCP is applied to raster cost surfaces, in which it determines the most cost-effective path. Increasing the raster resolution r...

  • Proceeding Paper
  • Open Access
302 Views
10 Pages

AI-Driven Shortest-Path Routing Techniques in IoT-Enabled RES-Based EV and Vehicular Networks: A Comprehensive Review of Deep Learning Models

  • Balaji Viswanathan,
  • Thoudam Basanta Singh,
  • Brindha Devi Varadharajalu,
  • Maheswari Ellappan and
  • Mutum Bidyarani Devi

Renewable energy system (RES)-based electric vehicle (EV) charging infrastructure enhances energy security. The need for intelligent routing techniques that achieve low latency, high reliability and adaptive path selection under extremely dynamic tra...

(This article belongs to the Proceedings of 2nd International Conference on Sciences and Techniques for Renewable Energy and the Environment)
  • Article
  • Open Access
8 Citations
4,276 Views
10 Pages

The STEM Methodology and Graph Theory: Some Practical Examples

  • Cristina Jordán,
  • Marina Murillo-Arcila and
  • Juan R. Torregrosa

2 December 2021

In this paper, we highlight that Graph Theory is certainly well suited to an applications approach. One of the basic problems that this theory solves is finding the shortest path between two points. For this purpose, we propose two real-world problem...

(This article belongs to the Special Issue Mathematics as the M in STEM Education)
  • Article
  • Open Access
3 Citations
7,986 Views
15 Pages

Vertex Labeling and Routing for Farey-Type Symmetrically-Structured Graphs

  • Wenchao Jiang,
  • Yinhu Zhai,
  • Zhigang Zhuang,
  • Paul Martin and ,
  • Zhiming Zhao and
  • Jia-Bao Liu
  • + 1 author+ 0 author

17 September 2018

The generalization of Farey graphs and extended Farey graphs all originate from Farey graphs. They are simultaneously scale-free and small-world. A labeling of the vertices for them are proposed here. All of the shortest paths between any two vertice...

(This article belongs to the Special Issue Symmetry in Computing Theory and Application)
  • Article
  • Open Access
19 Citations
6,538 Views
17 Pages

A Dynamic Route-Planning System Based on Industry 4.0 Technology

  • Duy Nguyen Duc,
  • Thong Tran Huu and
  • Narameth Nananukul

25 November 2020

Due to the availability of Industry 4.0 technology, the application of big data analytics to automated systems is possible. The distribution of products between warehouses or within a warehouse is an area that can benefit from automation based on Ind...

(This article belongs to the Special Issue Algorithms for Shortest Paths in Dynamic and Evolving Networks)
  • Article
  • Open Access
8 Citations
4,015 Views
19 Pages

21 November 2018

The recent provision of energy-harvesting capabilities to wireless sensor networks (WSN) has entailed the redefinition of design objectives. Specifically, the traditional goal of maximizing network lifetime has been replaced by optimizing network per...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
3 Citations
4,226 Views
13 Pages

A Game for Learning How to Model in Graph Theory

  • Alicia Cordero,
  • Cristina Jordan,
  • Marina Murillo-Arcila and
  • Esther Sanabria-Codesal

7 June 2022

In this article, we show how to introduce students to modeling while exposing the power of graph theory as a modeling tool. For that purpose, we propose a problem aimed at university students based on a game where the objective is to strengthen the l...

(This article belongs to the Special Issue Mathematical Modelling, Nonlinear Optimization, Nondimensionalization and Engineering Applications)
  • Review
  • Open Access
17 Citations
5,590 Views
19 Pages

A Review of Data Analytic Applications in Road Traffic Safety. Part 2: Prescriptive Modeling

  • Qiong Hu,
  • Miao Cai,
  • Nasrin Mohabbati-Kalejahi,
  • Amir Mehdizadeh and ,
  • Mohammad Ali Alamdar Yazdi,
  • Alexander Vinel,
  • Steven E. Rigdon,
  • Karen C. Davis and
  • Fadel M. Megahed
  • + 4 authors+ 0 author

17 February 2020

In the first part of the review, we observed that there exists a significant gap between the predictive and prescriptive models pertaining to crash risk prediction and minimization, respectively. In this part, we review and categorize the optimizatio...

(This article belongs to the Special Issue Intelligent Transportation Related Complex Systems and Sensors)
  • Article
  • Open Access
6 Citations
2,747 Views
31 Pages

Statistical Analysis and Modeling for Optical Networks

  • Sudhir K. Routray,
  • Gokhan Sahin,
  • José R. Ferreira da Rocha and
  • Armando N. Pinto

Optical networks serve as the backbone of modern communication, requiring statistical analysis and modeling to optimize performance, reliability, and scalability. This review paper explores statistical methodologies for analyzing network characterist...

(This article belongs to the Section Optoelectronics)
  • Article
  • Open Access
9 Citations
5,319 Views
37 Pages

Water Intrusion Characterization in Naturally Fractured Gas Reservoir Based on Spatial DFN Connectivity Analysis

  • Pengyu Chen,
  • Mauricio Fiallos-Torres,
  • Yuzhong Xing,
  • Wei Yu and ,
  • Chunqiu Guo,
  • Joseph Leines-Artieda,
  • Muwei Cheng,
  • Hongbing Xie,
  • Haidong Shi and
  • Kamy Sepehrnoori
  • + 7 authors+ 2 authors

16 August 2020

In this study, the non-intrusive embedded discrete fracture model (EDFM) in combination with the Oda method are employed to characterize natural fracture networks fast and accurately, by identifying the dominant water flow paths through spatial conne...

(This article belongs to the Section H: Geo-Energy)
  • Article
  • Open Access
2 Citations
2,261 Views
25 Pages

25 February 2026

Graph-enhanced Retrieval-Augmented Generation (RAG) frameworks, such as GraphRAG, improve large language model (LLM)-based question answering (QA) by constructing and leveraging structured, knowledge-condensed graph information. However, they still f...

(This article belongs to the Special Issue Large Language Models and Knowledge Computing)
  • Article
  • Open Access
1 Citations
780 Views
22 Pages

20 November 2025

In wireless sensor networks (WSNs), node localization technology serves as a critical foundation for Internet of Things (IoT) applications such as environmental monitoring and ecological protection. High-precision localization has long been a key cha...

  • Article
  • Open Access
11 Citations
3,495 Views
22 Pages

2 September 2020

Locating urban bus corridors based on corridor characteristics can increase the transportation capacity, improve transportation efficiency, and increase the attractiveness and commercial value of urban bus corridors. In this paper, we describe the co...

(This article belongs to the Section Sustainable Transportation)
  • Article
  • Open Access
10 Citations
3,930 Views
20 Pages

16 March 2023

Relation extraction, a fundamental task in natural language processing, aims to extract entity triples from unstructured data. These triples can then be used to build a knowledge graph. Recently, pre-training models that have learned prior semantic a...

(This article belongs to the Special Issue New Machine Learning and Deep Learning Techniques in Natural Language Processing)
  • Article
  • Open Access
3 Citations
4,436 Views
18 Pages

1 January 2025

The Dynamic Interval (DI) graph models the updating uncertainty of the arc cost in the graph, which shows great application prospects in unstable-road transportation planning and management. This paper studies the Real-time Shortest Path (RTSP) probl...

(This article belongs to the Special Issue Application of Mathematical Modeling and Simulation to Transportation)
  • Article
  • Open Access
11 Citations
5,161 Views
26 Pages

Predicting Suitable Areas for African Swine Fever Outbreaks in Wild Boars in South Korea and Their Implications for Managing High-Risk Pig Farms

  • Ju Hui Choi,
  • Hun Namgung,
  • Sang Jin Lim,
  • Eui Kyeong Kim and ,
  • Yeonsu Oh and
  • Yung Chul Park
  • + 1 author+ 0 author

29 June 2023

African swine fever (ASF) is a highly contagious disease affecting domestic pigs and wild boars, with no effective vaccine or treatment available. In South Korea, extensive measures have been implemented to prevent ASF transmission between wild boars...

(This article belongs to the Section Wildlife)
  • Article
  • Open Access
11 Citations
3,793 Views
19 Pages

Modelling the Shortest Path for Inner Warehouse Travelling Using the Floyd–Warshall Algorithm

  • Noraimi Azlin Mohd Nordin,
  • S. Sarifah Radiah Shariff,
  • Siti Suzlin Supadi and
  • Ilyas Masudin

29 August 2024

Order picking is referred as a critical process of selecting items requested by a customer in a warehouse. Meeting the demand of every customer is the main objective in this area. Large warehouses pose a challenge since the order-picking process is s...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Proceeding Paper
  • Open Access

9 November 2026

This paper presents the implementation and comparative evaluation of three classical shortest-path algorithms-Dijkstra, A*, and Bellman–Ford-within the Python/Pygame grid-based game environment PetWars. The developed framework provides a common...

  • Article
  • Open Access
335 Views
42 Pages

20 September 2026

This study compares three general-purpose metaheuristics (a genetic algorithm, an elitist evolution strategy, and simulated annealing) for deterministic shortest-path and maximum-flow network interdiction problems. All methods use the same row-wise b...

(This article belongs to the Special Issue Advances in Combinatorial Optimization: Theory, Algorithms, and Applications)
  • Article
  • Open Access
4 Citations
4,514 Views
29 Pages

15 February 2019

Shortest-path network interdiction, where a defender strategically allocates interdiction resource on the arcs or nodes in a network and an attacker traverses the capacitated network along a shortest s-t path from a source to a terminus, is an import...

  • Article
  • Open Access
2 Citations
1,392 Views
18 Pages

Precision Carbon Stock Estimation in Urban Campuses Using Fused Backpack and UAV LiDAR Data

  • Shijun Zhang,
  • Nan Li,
  • Longwei Li,
  • Yuchan Liu and ,
  • Hong Wang,
  • Tingting Xue,
  • Jing Ma and
  • Mengyi Hu
  • + 3 authors+ 0 author

8 October 2025

Accurate quantification of campus vegetation carbon stocks is essential for advancing carbon neutrality goals and refining urban carbon management strategies. This study pioneers the integration of drone and backpack LiDAR data to overcome limitation...

(This article belongs to the Special Issue Urban Forests and Greening for Sustainable Cities)
  • Article
  • Open Access
6 Citations
2,639 Views
15 Pages

Trade-offs between Risk and Operational Cost in SDN Failure Recovery Plan

  • Saeed A. Astaneh,
  • Shahram Shah Heydari,
  • Sara Taghavi Motlagh and
  • Alireza Izaddoost

13 September 2022

We consider the problem of SDN flow optimization in the presence of a dynamic probabilistic link failures model. We introduce a metric for path risk, which can change dynamically as network conditions and failure probabilities change. As these probab...

(This article belongs to the Section Network Virtualization and Edge/Fog Computing)
  • Article
  • Open Access
12 Citations
4,767 Views
24 Pages

Route Planning for Fire Rescue Operations in Long-Term Care Facilities Using Ontology and Building Information Models

  • Ru-Guan Wang,
  • Pai-Yu Wu,
  • Chang-Yuan Liu,
  • Jia-Cheng Tan and ,
  • Mei-Ling Chuang and
  • Chien-Cheng Chou
  • + 1 author+ 0 author

As our society ages, more and more elderly or disabled people live in long-term care (LTC) facilities, which are vulnerable to fires and may result in heavy casualties. Because of the low mobility of LTC residents, firefighters often need to enter th...

(This article belongs to the Section Construction Management, and Computers & Digitization)
  • Article
  • Open Access
5 Citations
2,566 Views
13 Pages

An Algorithm of Acoustic Emission Location for Complex Composite Structure

  • Peixun Liu,
  • Yanshuang Guo,
  • Yanqun Zhuo,
  • Wenbo Qi and ,
  • Jiahui Feng,
  • Hao Chen and
  • Shunyun Chen
  • + 2 authors+ 0 author

2 December 2022

Acoustic emission (AE) is widely used in engineering and rock mechanics. The algorithm of AE location based on homogeneous medium or single velocity structure is confronted with lower accuracy when it is applied to the actual working conditions that...

(This article belongs to the Special Issue Research on Rock Mechanics and Backfilling Materials for Underground Mining)
  • Article
  • Open Access
205 Views
20 Pages

Optimization of Bicycle Path Networks Using Autoregressive Models: An Application to the City of Querétaro

  • Ricardo Montoya-Zamora,
  • Luis Francisco Pérez-Moreno,
  • Iván Fermín Arjona-Catzim,
  • María de la Luz Pérez-Rea and ,
  • Joaquín Noriega-Jiménez and
  • Rosario Guzmán-Cruz
  • + 1 author+ 0 author

Many studies focus on the location of bicycle stations rather than network design, often overlooking the cyclist’s experience, which depends on individual characteristics and the type of bicycle used. This study proposes a methodology for desig...

  • Article
  • Open Access
1 Citations
2,782 Views
17 Pages

19 May 2023

To optimize the functional space layout of various transportation modes of the integrated passenger transport hub, and improve the transfer efficiency and service quality of the hub, a quantitative analysis of the transfer flow lines of the integrate...

(This article belongs to the Special Issue New Techniques to Promote Sustainable Mobility: Evaluation, Optimization and Behavioral Adaptation)
  • Article
  • Open Access
3 Citations
3,263 Views
24 Pages

2 April 2023

Changeability analysis methods primarily assist with formulating a response to uncertain and new requirements from various system stakeholders and include asset management issues such as modelling lifecycle path dependency. Epoch-era networks proved...

(This article belongs to the Special Issue Simplifying the Complex: Modeling and Analysis for System Design and Management)
  • Article
  • Open Access
7 Citations
3,775 Views
16 Pages

17 September 2025

In current intelligent manufacturing workshops, multi-automated guided vehicle (AGV) systems often face issues such as uneven task allocation, path conflicts, and idle travel, which significantly affect scheduling efficiency. To address these problem...

  • Article
  • Open Access
1 Citations
1,628 Views
21 Pages

22 December 2025

Energy storage systems enhance grid efficiency by mitigating peak demand and balancing generation variability. This work addresses the challenge of achieving optimal peak shaving without prior knowledge of the actual load profile. To this end, we int...

(This article belongs to the Special Issue Challenges and Innovations in Stability and Control of Power Systems)
  • Proceeding Paper
  • Open Access
2,754 Views
4 Pages

Deep Image Segmentation for Breast Keypoint Detection

  • Tiago Gonçalves,
  • Wilson Silva,
  • Maria J. Cardoso and
  • Jaime S. Cardoso

The main aim of breast cancer conservative treatment is the optimisation of the aesthetic outcome and, implicitly, women’s quality of life, without jeopardising local cancer control and overall survival. Moreover, there has been an effort to tr...

(This article belongs to the Proceedings of 3rd XoveTIC Conference)
  • Article
  • Open Access
1 Citations
1,199 Views
20 Pages

GreenRP: Task-Aware Discharge-Resilient Routing for Sustainable Edge AI in Satellite Optical Networks

  • Huibin Zhang,
  • Dandan Du,
  • Kunpeng Zheng,
  • Yuan Cao and ,
  • Lihan Zhao,
  • Yongli Zhao and
  • Jie Zhang
  • + 2 authors+ 0 author

Research in on-orbit processing enables edge AI deployment over satellite optical networks. However, these operations induce frequent battery discharge cycles, particularly depth-of-discharge (DoD) events, which accelerate degradation and curtail sat...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
986 Views
46 Pages

13 January 2026

The computational tractability of Integrated Information Theory (IIT) is fundamentally constrained by the exponential cost of identifying the Minimum Information Partition (MIP), which is required to quantify integrated information (Φ). Existing...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access

12 November 2026

We formulate fixed-route replenishment scheduling for plant protection unmanned aerial vehicles (UAVs), jointly selecting replenishment timing, operation type, and station to minimize additional replenishment time. Resource resets invalidate the mono...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
10 Citations
3,333 Views
17 Pages

7 June 2024

This study primarily studies the shortest-path planning problem for unmanned aerial vehicle (UAV) formations under uncertain target sequences. In order to enhance the efficiency of collaborative search in drone clusters, a compensation look-ahead alg...

(This article belongs to the Special Issue Distributed Control, Optimization, and Game of UAV Swarm Systems)
  • Article
  • Open Access
304 Views
35 Pages

A Hierarchical Hybrid Search Framework for Fixed-Length Cable Routing

  • Xiaoyang Zhang,
  • Zhigang Xu,
  • Songkai Liu and
  • Xin Sui

2 October 2026

Traditional cable path planning prioritizes shortest-path optimization, creating a mismatch with high-end equipment that requires pre-manufactured fixed-length cables. To address this challenge, this paper proposes a hierarchical hybrid search framew...

  • Article
  • Open Access
1,180 Views
27 Pages

Urban Vehicle Route Choice Modeling Based on Multi-Source Trajectory Data and Adversarial Inverse Reinforcement Learning

  • Shukang Zheng,
  • Changjiang Zheng,
  • Genhua Ma,
  • Xinyi Xie and ,
  • Ye Lu and
  • Boxuan Wu
  • + 1 author+ 0 author

25 September 2026

To address the limitations of traditional route choice models, including their dependence on manually constructed path sets, their difficulty in capturing nonlinear decision preferences, and their insufficient consideration of dynamic congestion fact...

(This article belongs to the Special Issue Advances in Intelligent Transportation and Its Applications)
  • Article
  • Open Access
374 Views
48 Pages

16 July 2026

Many multilayer service systems require a single unit of demand to use a mutually compatible tuple of layerwise routes. In these systems, layerwise reachability and layerwise maximum-flow values do not determine how much service can be jointly delive...

(This article belongs to the Special Issue Dynamic Analysis and Decision-Making in Complex Networks, 2nd Edition)
  • Article
  • Open Access
1,157 Views
19 Pages

22 October 2025

Public CVE feeds add tens of thousands of entries each year, overwhelming patch-management capacity. We model the CWE–CVE–CPE triad and, for each CWE, build count-weighted product co-exposure graphs by projecting CVE–CPE links. Beca...

(This article belongs to the Special Issue Novel Approaches for Cybersecurity and Cyber Defense)
  • Article
  • Open Access
1,044 Views
23 Pages

Symmetry-Constrained Multi-Camera Tracking for Aircraft Preflight Inspection via Spatio-Temporal Graph Optimization

  • Wanli Dang,
  • Jian Cheng,
  • Jiang Wang,
  • Huaiyu Zheng and ,
  • Qian Luo,
  • Chao Wang and
  • Ping Zhang
  • + 2 authors+ 0 author

22 February 2026

Automated verification of preflight aircraft inspection—a critical safety procedure—is addressed by integrating multi-camera tracking with procedural knowledge through a symmetry-aware spatio-temporal graph model. Departing from conventio...

(This article belongs to the Special Issue Computer Vision, Robotics, and Automation Engineering)
  • Article
  • Open Access
401 Views
27 Pages

20 March 2026

Accurate identification and spatial localization of hidden hazards in embankments are essential for the reinforcement and safety management of defective structures. However, conventional drilling and single geophysical methods are often insufficient...

(This article belongs to the Section Civil Engineering)
  • Article
  • Open Access
6 Citations
3,909 Views
19 Pages

Bi-Layer Shortest-Path Network Interdiction Game for Internet of Things

  • Jingwen Yan,
  • Kaiming Xiao,
  • Cheng Zhu,
  • Jun Wu and ,
  • Guoli Yang and
  • Weiming Zhang
  • + 1 author+ 0 author

21 October 2020

Network security is a crucial challenge facing Internet-of-Things (IoT) systems worldwide, which leads to serious safety alarms and great economic loss. This paper studies the problem of malicious interdicting network exploitation of IoT systems that...

(This article belongs to the Section Internet of Things)
  • Review
  • Open Access
858 Views
34 Pages

10 August 2026

Ship path planning is a central challenge in autonomous navigation for unmanned surface vehicles and maritime autonomous surface ships. It is not simply a shortest-path problem, but a constrained sequential decision process that must reconcile collis...

(This article belongs to the Section Ocean Engineering)
  • Article
  • Open Access
2 Citations
1,108 Views
19 Pages

A Multi-Objective Optimization Method for Well Trajectory Closed-Loop Control

  • Zhihui Ye,
  • Han Wang,
  • Dong Chen,
  • Yue Liu and ,
  • Xiaojun Li and
  • Yongtao Fan
  • + 1 author+ 0 author

12 January 2026

For long horizontal-section drilling in reservoirs and complex formations, efficient and robust trajectory planning with real-time closed-loop control must be achieved under curvature and mechanical constraints. This study systematically investigates...

(This article belongs to the Special Issue Advances in Drilling and Excavation Theories and Technologies for Petroleum, Coal Seam and Sustainable Resources)
  • Article
  • Open Access
3 Citations
3,613 Views
19 Pages

23 October 2025

This study proposes an integrated, data-driven framework that couples Geographic Information Systems (GIS) with machine-learning techniques to improve fire-department response efficiency in an urban setting. Using an initial archive of 10,421 geocode...

  • Article
  • Open Access
14 Citations
5,599 Views
18 Pages

The study of patterns of urban mobility is of utter importance for city growth projection and development planning. In this paper, we analyze the topological aspects of the street network of the coastal city of Cartagena de Indias employing graph the...

(This article belongs to the Special Issue Planning Peripheral and Ultra-Peripheral Infrastructures)
  • Systematic Review
  • Open Access
223 Views
30 Pages

Bridging BIM and Path-Finding Algorithms: A Systematic Review and Analysis of Escape Route Generation

  • Jonatan Villavicencio Moreno,
  • Alexandre B. Gonçalves and
  • Ana Paula Falcão

15 October 2026

This article systematically analyzes and discusses the application of Building Information Modeling (BIM) in generating emergency escape routes within buildings. It is motivated by Sustainable Development Goal 11 (SDG 11), that aims to achieve long-t...

(This article belongs to the Special Issue Building Information Modeling for Sustainable and Smart Construction)
  • Article
  • Open Access
3 Citations
2,568 Views
23 Pages

Traditional internet protocol (IP) networks, adhering to a “best-effort” service model, typically utilize shortest-path routing for data transmission. Nevertheless, this methodology encounters limitations, especially considering the incre...

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