OOIR: Observatory of International Research

Papers

(The H4-Index of Mathematical Problems in Engineering is 42. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Elderly People Activity Recognition in Smart Grid Monitoring Environment	232
Research on Direct Drive Technology of the Permanent Magnet Synchronous Motor for Urban Rail Vehicles	165
Application of Multilevel Local Feature Coding in Music Genre Recognition	155
Classification of Shellfish Recognition Based on Improved Faster R-CNN Framework of Deep Learning	130
Enhanced Map-Aided GPS/3D RISS Combined Positioning Strategy in Urban Canyons	121
The Offset Azimuth Prediction of Light Buoy Based on Markov Chain Optimization Multiplicative Seasonal Model	108
Hyperspectral Image Denoising via Nonconvex Logarithmic Penalty	102
Is the Long Memory Factor Important for Extending the Fama and French Five-Factor Model: Evidence from China	98
Evaluation of High-Quality Development of Manufacturing Industry Using a Novel Grey Dynamic Double Incentive Decision-Making Model	92
A New Method of Achieving Single Three-Dimensional Building Model Automatically Based on Oblique Photography Data	89
Optimization of Classroom Teaching Strategies for College English Listening and Speaking Based on Random Matrix Theory	89
Shuttle Bus Rerouting and Rescheduling Problem considering Daily Demand Fluctuation	88
Key Node Discovery Algorithm Based on Multiple Relationships and Multiple Features in Social Networks	84
Numerical Simulation Study of the Strata Movement Rule of Deep Mining with the Super-Thick and Weak Cementation Overburden: A Case Study in China	79
Influence Evaluation Model of Microblog User Based on Gaussian Bayesian Derivative Classifier	75
Influence of Pitch Error on Vibration, Bifurcation, and Chaos Characteristics of the Helical Gear Pair System	75
An Efficient Branch-and-Bound Algorithm for Globally Solving Minimax Linear Fractional Programming Problem	73
An Efficient DOA Estimation Algorithm Based on Diagonal-Symmetric Loading	72
Optimization of Metro Trains Operation Plans Based on Passenger Flow Data Analysis	69
On a Study of a Family of Higher-Order Recurrence Relations	69
Multi-GNSS Fast Precise Point Positioning with Multi-Frequency Uncombined Model and Cascading Ambiguity Resolution	68
Step-by-Step Penalized Blind Kriging Methods for Surrogate Modeling	66
Heuristics for the Hybrid Flow Shop Scheduling Problem with Sequence-Dependent Setup times	64
A Modified Computational Method of Active State Earth Pressure behind Rigid Retaining Wall	62
A Novel Low-Velocity Impact Region Identification Method for Cantilever Beams Using a Support Vector Machine	59

Modified Multiverse Optimizer Selective Harmonic Elimination for Five-Level Modified Packed U-Cells Inverter and Analysis of Motor Torque Ripple Suppression	56
Reliability Analysis of a Two Nonidentical Unit Parallel System with Optional Vacations under Poisson Shocks	53
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	52
Unsafe Behavior Analysis and Risk Measurement of Traffic Accidents in Mountainous Highway Tunnel	52
Research on Identification Algorithm of Cascade Control System	48
Risk Assessment of Water Inrush from Coal Floor Based on Karst Fractal-Vulnerability Index Method	47
Evolution of Agricultural Innovation Ecosystem in County Areas: A Life-Cycle Perspective of Cases in Hebei Province	47
Research on Optimization of Adaptive Positioning and Routing Algorithm for Industrial Internet of Things Engineering Based on Improved Neural Network	46
Analysis on Total Factor Productivity and Differences of Industrial Internet Concept Companies	46
Spherical Cubic Fuzzy Extended TOPSIS Method and Its Application in Multicriteria Decision-Making	46
RETRACTION: Numerical Analysis and Scientific Calculation Considering the Management Mechanism of College Students’ Innovation and Entrepreneurship Education	44
RETRACTION: Application of Artificial Intelligence Technology in Cross‐Cultural Communication of Intangible Cultural Heritage	43
Retracted: Exploring the Hot News on the Internet Based on Recommendation Algorithm for College Students’ Ideological and Political Education	42
Retracted: Ecological Efficiency Analysis of Ice and Snow Environmental Sports Industry Based on Input‐Output Evaluation System	42
Retracted: Practical Thinking of Neo‐Confucianism in Qing Dynasty from the Scope of Practice Based on Deep Learning	42
Retracted: Discrete Dynamic Modeling Analysis of College Students’ Ideological and Political Education Based on Particle Swarm Optimization Algorithm	42
Retracted: Feature Learning‐Based Generative Adversarial Network Data Augmentation for Class‐Based Few‐Shot Learning	42