OOIR: Observatory of International Research

Papers

(The H4-Index of Mathematical Problems in Engineering is 38. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Elderly People Activity Recognition in Smart Grid Monitoring Environment	242
Research on Direct Drive Technology of the Permanent Magnet Synchronous Motor for Urban Rail Vehicles	213
Application of Multilevel Local Feature Coding in Music Genre Recognition	133
The Offset Azimuth Prediction of Light Buoy Based on Markov Chain Optimization Multiplicative Seasonal Model	121
Evaluation of High-Quality Development of Manufacturing Industry Using a Novel Grey Dynamic Double Incentive Decision-Making Model	110
A New Method of Achieving Single Three-Dimensional Building Model Automatically Based on Oblique Photography Data	99
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	91
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	79
Optimization of Metro Trains Operation Plans Based on Passenger Flow Data Analysis	75
An Efficient DOA Estimation Algorithm Based on Diagonal-Symmetric Loading	75
Multi-GNSS Fast Precise Point Positioning with Multi-Frequency Uncombined Model and Cascading Ambiguity Resolution	74
Step-by-Step Penalized Blind Kriging Methods for Surrogate Modeling	73
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
A Novel Low-Velocity Impact Region Identification Method for Cantilever Beams Using a Support Vector Machine	66
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	58
Unsafe Behavior Analysis and Risk Measurement of Traffic Accidents in Mountainous Highway Tunnel	57
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	55
Risk Assessment of Water Inrush from Coal Floor Based on Karst Fractal-Vulnerability Index Method	53
Research on Identification Algorithm of Cascade Control System	53
Evolution of Agricultural Innovation Ecosystem in County Areas: A Life-Cycle Perspective of Cases in Hebei Province	50
Analysis on Total Factor Productivity and Differences of Industrial Internet Concept Companies	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	47
Education Teaching Evaluation Method Aided by Adaptive Genetic Programming and Robust Scheduling	47
Static Analysis of Stiffened Shells Using an Edge-Based Smoothed MITC3 (ES-MITC3) Method	46
Design of New Word Retrieval Algorithm for Chinese-English Bilingual Parallel Corpus	46
Techno-Environmental Analysis of Facade Integrated Photovoltaics and Electric Vehicle Charging for University Building	45
Integrated Fuzzy-MSGP Methods for Clothing and Textiles Supplier Evaluation and Selection in the COVID-19 Era	45
Influence of Pitch Error on Vibration, Bifurcation, and Chaos Characteristics of the Helical Gear Pair System	44
Internet Financial Risk Management in the Context of Big Data and Artificial Intelligence	43
Finite Horizon Nonlinear Suboptimal Control for an Autonomous Soaring UAV	42
Combined Trojan Y Chromosome Strategy and Sterile Insect Technique to Eliminate Mosquitoes: Modelling and Analysis	42
Supply Chain Coordination with Capital-Constrained and Loss Aversion Retailer under Stochastic Demand and Supply	40
Cooperative Advertising Strategy Selection Problem for considering Pricing and Advertising Decisions in a Two-Period Online Supply Chain	39
Fast Retrieval Method of Portal Information Based on a Chaotic Genetic Algorithm	38
Design of Watercolor Cultural and Creative Products Based on Style Transfer Algorithm	38