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 2021-05-01 to 2025-05-01.)

Article	Citations
The Statistical Analysis of Anomalous Anticyclone in Ocean Atmosphere and Economy Based on Target Tracking Algorithm	231
Elderly People Activity Recognition in Smart Grid Monitoring Environment	151
Research on Direct Drive Technology of the Permanent Magnet Synchronous Motor for Urban Rail Vehicles	149
Application of Multilevel Local Feature Coding in Music Genre Recognition	128
Classification of Shellfish Recognition Based on Improved Faster R-CNN Framework of Deep Learning	117
Enhanced Map-Aided GPS/3D RISS Combined Positioning Strategy in Urban Canyons	106
The Offset Azimuth Prediction of Light Buoy Based on Markov Chain Optimization Multiplicative Seasonal Model	101
Hyperspectral Image Denoising via Nonconvex Logarithmic Penalty	96
Is the Long Memory Factor Important for Extending the Fama and French Five-Factor Model: Evidence from China	90
A New Method of Achieving Single Three-Dimensional Building Model Automatically Based on Oblique Photography Data	88
Evaluation of High-Quality Development of Manufacturing Industry Using a Novel Grey Dynamic Double Incentive Decision-Making Model	88
Optimization of Classroom Teaching Strategies for College English Listening and Speaking Based on Random Matrix Theory	88
Shuttle Bus Rerouting and Rescheduling Problem considering Daily Demand Fluctuation	83
Key Node Discovery Algorithm Based on Multiple Relationships and Multiple Features in Social Networks	83
Numerical Simulation Study of the Strata Movement Rule of Deep Mining with the Super-Thick and Weak Cementation Overburden: A Case Study in China	81
Influence of Pitch Error on Vibration, Bifurcation, and Chaos Characteristics of the Helical Gear Pair System	77
Influence Evaluation Model of Microblog User Based on Gaussian Bayesian Derivative Classifier	74
An Efficient Branch-and-Bound Algorithm for Globally Solving Minimax Linear Fractional Programming Problem	73
Financial Shared Services Empower the Real Economy: The Evidence from China	72
An Efficient DOA Estimation Algorithm Based on Diagonal-Symmetric Loading	70
Optimization of Metro Trains Operation Plans Based on Passenger Flow Data Analysis	68
On a Study of a Family of Higher-Order Recurrence Relations	68
Multi-GNSS Fast Precise Point Positioning with Multi-Frequency Uncombined Model and Cascading Ambiguity Resolution	65
Heuristics for the Hybrid Flow Shop Scheduling Problem with Sequence-Dependent Setup times	63
Step-by-Step Penalized Blind Kriging Methods for Surrogate Modeling	63

A Modified Computational Method of Active State Earth Pressure behind Rigid Retaining Wall	56
A Novel Low-Velocity Impact Region Identification Method for Cantilever Beams Using a Support Vector Machine	55
Modified Multiverse Optimizer Selective Harmonic Elimination for Five-Level Modified Packed U-Cells Inverter and Analysis of Motor Torque Ripple Suppression	55
Unsafe Behavior Analysis and Risk Measurement of Traffic Accidents in Mountainous Highway Tunnel	51
Research on Identification Algorithm of Cascade Control System	51
Reliability Analysis of a Two Nonidentical Unit Parallel System with Optional Vacations under Poisson Shocks	51
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	51
Artificial Neural Network- (ANN-) Based Proxy Model for Fast Performances’ Forecast and Inverse Schedule Design of Steam-Flooding Reservoirs	49
Natural Gas Price Forecasting by a New Hybrid Model Combining Quadratic Decomposition Technology and LSTM Model	48
Risk Assessment of Water Inrush from Coal Floor Based on Karst Fractal-Vulnerability Index Method	46
Evolution of Agricultural Innovation Ecosystem in County Areas: A Life-Cycle Perspective of Cases in Hebei Province	45
Research on Optimization of Adaptive Positioning and Routing Algorithm for Industrial Internet of Things Engineering Based on Improved Neural Network	43
Analysis on Total Factor Productivity and Differences of Industrial Internet Concept Companies	43
Prediction of Vertical Tail Buffet Using CFD/CSD Coupling Method	43
The Construction of University English Translation Teaching Model Based on Fuzzy Comprehensive Assessment	42
Research on the Design of Surgical Auxiliary Equipment Based on AHP, QFD, and PUGH Decision Matrix	42
Spherical Cubic Fuzzy Extended TOPSIS Method and Its Application in Multicriteria Decision-Making	42