OOIR: Observatory of International Research

Papers

(The H4-Index of ISPRS International Journal of Geo-Information 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 2021-04-01 to 2025-04-01.)

Article	Citations
The Agglomeration of Food Services and Their Colocation with Surrounding Complementary Services in the Guangdong–Hong Kong–Macao Greater Bay Area	201
Enhancing Precision Beekeeping by the Macro-Level Environmental Analysis of Crowdsourced Spatial Data	112
Cyber Potential Metaphorical Map Method Based on GMap	76
Simulating the Spatial Heterogeneity of Housing Prices in Wuhan, China, by Regionally Geographically Weighted Regression	75
A Progressive Clustering Approach for Buildings Using MST and SOM with Feature Factors	71
Optimizing the Equality of Healthcare Services in Wuhan, China, Using a New Multimodal Two-Step Floating Catchment Area Model in Conjunction with the Hierarchical Maximal Accessibility Equality Model	67
Evaluation Methods for the Human–Land Coupling Coordination Relationship in a Metro Station Area: A Case Study of Chengdu Metro Line 1	66
An Algorithm for Simplifying 3D Building Models with Consideration for Detailed Features and Topological Structure	65
The Effects of Employment Center Characteristics on Commuting Time: A Case Study of the Seoul Metropolitan Area	63
Solving the Traveling Salesman Problem Using the IDINFO Algorithm	62
Hexahedral Projections: A Comprehensive Review and Ranking	62
Understanding the Carbon Footprint of Tile Transfer for Web Maps	58
A Survey of Methods and Input Data Types for House Price Prediction	55
Flood Monitoring in the Middle and Lower Basin of the Yangtze River Using Google Earth Engine and Machine Learning Methods	54
Portraying Citizens’ Occupations and Assessing Urban Occupation Mixture with Mobile Phone Data: A Novel Spatiotemporal Analytical Framework	53
A Quantitative Analysis of Factors Influencing Organic Matter Concentration in the Topsoil of Black Soil in Northeast China Based on Spatial Heterogeneous Patterns	53
RepDarkNet: A Multi-Branched Detector for Small-Target Detection in Remote Sensing Images	52
Virtual Scene Construction of Wetlands: A Case Study of Poyang Lake, China	49
Automated Detection of Pedestrian and Bicycle Lanes from High-Resolution Aerial Images by Integrating Image Processing and Artificial Intelligence (AI) Techniques	48
Contextual Enrichment of Crowds from Mobile Phone Data through Multimodal Geo-Social Media Analysis	47
Comparative Analysis of Spatial–Temporal Distribution between Traditional Taxi Service and Emerging Ride-Hailing	47
A Tale of Two Cities: COVID-19 Vaccine Hesitancy as a Result of Racial, Socioeconomic, Digital, and Partisan Divides	47
Multifractal Characteristics Analysis Based on Slope Distribution Probability in the Yellow River Basin, China	46
An Integrated Graph Model for Spatial–Temporal Urban Crime Prediction Based on Attention Mechanism	46
Bayesian Structural Time Series and Geographically Weighted Logistic Regression Modelling Impacts of COVID-19 Lockdowns on the Spatiotemporal Patterns of London’s Crimes	46

Efficient Interactive Tactile Maps: A Semi-Automated Workflow Using the TouchIt3D Technology and OpenStreetMap Data	46
Copyright Protection Based on Zero Watermarking and Blockchain for Vector Maps	46
A High-Resolution Spatial Distribution-Based Integration Machine Learning Algorithm for Urban Fire Risk Assessment: A Case Study in Chengdu, China	43
Unmanned Aerial Vehicle Target Tracking Based on OTSCKF and Improved Coordinated Lateral Guidance Law	42
Visual Attention and Recognition Differences Based on Expertise in a Map Reading and Memorability Study	41
Analysis of the Spatio-Temporal Characteristics of Nanjing’s Urban Expansion and Its Driving Mechanisms	41
Using Content Analysis to Probe the Cognitive Image of Intangible Cultural Heritage Tourism: An Exploration of Chinese Social Media	41
The Extension of IFC For Supporting 3D Cadastre LADM Geometry	41
Ambulances Deployment Problems: Categorization, Evolution and Dynamic Problems Review	41
Remote Sensing Methods for the Biophysical Characterization of Protected Areas Globally: Challenges and Opportunities	41
Extraction of Urban Built-Up Areas Based on Data Fusion: A Case Study of Zhengzhou, China	40
Agricultural Land-Use Changes in the Judean Region from the End of the Ottoman Empire to the End of the British Mandate: A Spatial Analysis	39
Identifying Spatial Determinants of Rice Yields in Main Producing Areas of China Using Geospatial Machine Learning	38
Editorial Commentary on the IJGI Special Issue “Mapping Indigenous Knowledge in the Digital Age”	38