OOIR: Observatory of International Research

Papers

(The H4-Index of Mathematical Problems in Engineering is 39. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
Elderly People Activity Recognition in Smart Grid Monitoring Environment	237
Research on Direct Drive Technology of the Permanent Magnet Synchronous Motor for Urban Rail Vehicles	203
Application of Multilevel Local Feature Coding in Music Genre Recognition	132
The Offset Azimuth Prediction of Light Buoy Based on Markov Chain Optimization Multiplicative Seasonal Model	118
Evaluation of High-Quality Development of Manufacturing Industry Using a Novel Grey Dynamic Double Incentive Decision-Making Model	108
A New Method of Achieving Single Three-Dimensional Building Model Automatically Based on Oblique Photography Data	95
Key Node Discovery Algorithm Based on Multiple Relationships and Multiple Features in Social Networks	93
Numerical Simulation Study of the Strata Movement Rule of Deep Mining with the Super-Thick and Weak Cementation Overburden: A Case Study in China	88
Influence Evaluation Model of Microblog User Based on Gaussian Bayesian Derivative Classifier	88
An Efficient Branch-and-Bound Algorithm for Globally Solving Minimax Linear Fractional Programming Problem	84
An Efficient DOA Estimation Algorithm Based on Diagonal-Symmetric Loading	77
Optimization of Metro Trains Operation Plans Based on Passenger Flow Data Analysis	74
Multi-GNSS Fast Precise Point Positioning with Multi-Frequency Uncombined Model and Cascading Ambiguity Resolution	73
A Novel Low-Velocity Impact Region Identification Method for Cantilever Beams Using a Support Vector Machine	72
Step-by-Step Penalized Blind Kriging Methods for Surrogate Modeling	72
A Modified Computational Method of Active State Earth Pressure behind Rigid Retaining Wall	72
Heuristics for the Hybrid Flow Shop Scheduling Problem with Sequence-Dependent Setup times	72
Modified Multiverse Optimizer Selective Harmonic Elimination for Five-Level Modified Packed U-Cells Inverter and Analysis of Motor Torque Ripple Suppression	65
Reliability Analysis of a Two Nonidentical Unit Parallel System with Optional Vacations under Poisson Shocks	63
Unsafe Behavior Analysis and Risk Measurement of Traffic Accidents in Mountainous Highway Tunnel	58
Analysis of Business Environment and Medical Insurance Coverage Rates in the Destination of China’s Migrant Population: Based on Geographically and Temporally Weighted Regression Model for Panel Data	57
Research on Identification Algorithm of Cascade Control System	54
Risk Assessment of Water Inrush from Coal Floor Based on Karst Fractal-Vulnerability Index Method	54
Analysis on Total Factor Productivity and Differences of Industrial Internet Concept Companies	49
Evolution of Agricultural Innovation Ecosystem in County Areas: A Life-Cycle Perspective of Cases in Hebei Province	49

Research on Optimization of Adaptive Positioning and Routing Algorithm for Industrial Internet of Things Engineering Based on Improved Neural Network	48
Computer Vision and the IoT-Based Intelligent Road Lane Detection System	48
Education Teaching Evaluation Method Aided by Adaptive Genetic Programming and Robust Scheduling	48
Design of New Word Retrieval Algorithm for Chinese-English Bilingual Parallel Corpus	46
Static Analysis of Stiffened Shells Using an Edge-Based Smoothed MITC3 (ES-MITC3) Method	46
Evaluation of China’s High-Advanced Industrial Policy: A PMC Index Model Approach	45
Improved Decision-Making through a DEMATEL and Fuzzy Cognitive Maps-Based Framework	45
Internet Financial Risk Management in the Context of Big Data and Artificial Intelligence	45
Combined Trojan Y Chromosome Strategy and Sterile Insect Technique to Eliminate Mosquitoes: Modelling and Analysis	44
Finite Horizon Nonlinear Suboptimal Control for an Autonomous Soaring UAV	43
Cooperative Advertising Strategy Selection Problem for considering Pricing and Advertising Decisions in a Two-Period Online Supply Chain	42
Supply Chain Coordination with Capital-Constrained and Loss Aversion Retailer under Stochastic Demand and Supply	42
An Integrated Simulation and Virtual Cellular Manufacturing System Concept Approach for Maintenance Policy Selection	41
Fast Retrieval Method of Portal Information Based on a Chaotic Genetic Algorithm	40