Contact

All Stories

  1. GAIR: Location-aware self-supervised contrastive pre-training with geo-aligned implicit representations

    Article • ISPRS Journal of Photogrammetry and Remote Sensing, July 2026, Elsevier

    Dr. Gengchen Mai

  2. Mathematical Foundations and Challenges for GeoAI

    Article • May 2026, IOS Press

    Dr. Gengchen Mai

  3. On the Ethics of Generative GeoAI: Explainability, Bias, Hallucination, Accountability, Privacy, and Trust

    Article • May 2026, IOS Press

    Dr. Gengchen Mai

  4. AVKG: an interlinked cross-domain knowledge graph for smart autonomous vehicle decision making

    Article • International Journal of Geographical Information Science, May 2026, Taylor & Francis

    Dr. Gengchen Mai

  5. Annotation-free cloud masking for PlanetScope images in the Arctic via cross-platform ability transfer using deep learning and foundation models

    Article • Remote Sensing of Environment, March 2026, Elsevier

    Dr. Gengchen Mai

  6. Bridging data gaps for EV demand estimation: A transfer learning approach

    Article • Journal of Transport Geography, February 2026, Elsevier

    Dr. Gengchen Mai

  7. SpatialCausal : a spatially-aware causal inference deep learning model for out-of-hospital cardiac arrest survival prediction

    Article • International Journal of Geographical Information Science, January 2026, Taylor & Francis

    Donglan Zhang, Dr. Gengchen Mai

  8. Whose Truth? Pluralistic Geo-Alignment for (Agentic) AI

    Article • November 2025, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  9. Scenario-Based Evaluation of Probabilistic Time Series Forecasting for Solar Energy

    Article • November 2025, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  10. Street semantic tree: a knowledge-driven GeoAI framework for urban e-scooter ridership classification

    Article • International Journal of Geographical Information Science, October 2025, Taylor & Francis

    Dr. Gengchen Mai

  11. Representation learning for geospatial data

    Article • Annals of GIS, September 2025, Taylor & Francis

    Dr. Gengchen Mai

  12. GeoFM: how will geo-foundation models reshape spatial data science and GeoAI?

    Article • International Journal of Geographical Information Science, August 2025, Taylor & Francis

    Dr. Gengchen Mai

  13. ZooplanktonBench: A Geo-Aware Zooplankton Recognition and Classification Dataset from Marine Observations

    Article • August 2025, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  14. Artificial intelligence in environmental remote sensing: Progress, way forward and key considerations

    Article • Progress in Environmental Geography, July 2025, SAGE Publications

    Dr. Gengchen Mai

  15. From theory to deep learning: Understanding the impact of geographic context factors on traffic violations

    Article • Computers Environment and Urban Systems, July 2025, Elsevier

    Dr. Gengchen Mai

  16. AD-AutoGPT: An autonomous GPT for Alzheimer’s disease infodemiology

    Article • PLOS Global Public Health, May 2025, PLOS

    Dr. Gengchen Mai

  17. Operationalizing Geographic Diversity for the Evaluation of AI‐Generated Content

    Article • Transactions in GIS, May 2025, Wiley

    Dr. Gengchen Mai

  18. Machine-learning-enabled spatial pattern mining: evaluating the impact of imperfect inputs

    Article • International Journal of Geographical Information Science, April 2025, Taylor & Francis

    Dr. Gengchen Mai

  19. Geography for AI sustainability and sustainability for GeoAI

    Article • Cartography and Geographic Information Science, April 2025, Taylor & Francis

    Dr. Gengchen Mai

  20. Cross-view geolocalization and disaster mapping with street-view and VHR satellite imagery: A case study of Hurricane IAN

    Article • ISPRS Journal of Photogrammetry and Remote Sensing, February 2025, Elsevier

    Dr. Gengchen Mai

  21. Towards the next generation of Geospatial Artificial Intelligence

    Article • International Journal of Applied Earth Observation and Geoinformation, February 2025, Elsevier

    Dr. Gengchen Mai

  22. SpaCE: a spatial counterfactual explainable deep learning model for predicting out-of-hospital cardiac arrest survival outcome

    Article • International Journal of Geographical Information Science, January 2025, Taylor & Francis

    Donglan Zhang, Dr. Gengchen Mai

  23. The KnowWhereGraph ontology

    Article • Journal of Web Semantics, January 2025, Elsevier

    Dr. Gengchen Mai

  24. Urban sensing in the era of large language models

    Article • The Innovation, January 2025, Elsevier

    Dr. Gengchen Mai

  25. Multimodality of AI for Education: Towards Artificial General Intelligence

    Article • IEEE Transactions on Learning Technologies, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Gengchen Mai

  26. TorchSpatial: A Python Package for Spatial Representation Learning and Geo-Aware Model Development

    Article • October 2024, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  27. Text2Seg: Zero-shot Remote Sensing Image Semantic Segmentation via Text-Guided Visual Foundation Models

    Article • October 2024, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  28. SRL: Towards a General-Purpose Framework for Spatial Representation Learning

    Article • October 2024, ACM (Association for Computing Machinery)

    Dr. Hao Li, Dr. Gengchen Mai, Dr QING ZHU

  29. Geo‐Foundation Models

    Article • September 2024, Wiley

    Dr. Gengchen Mai

  30. BB-GeoGPT: A framework for learning a large language model for geographic information science

    Article • Information Processing & Management, September 2024, Elsevier

    Dr. Gengchen Mai

  31. Img2Loc: Revisiting Image Geolocalization using Multi-modality Foundation Models and Image-based Retrieval-Augmented Generation

    Article • July 2024, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  32. The comparison of spatial patterns and factors associated with healthcare provider knowledge in palliative care in various regions of China

    Article • Humanities and Social Sciences Communications, April 2024, Springer Science + Business Media

    Dr. Gengchen Mai

  33. SpatialScene2Vec: A self-supervised contrastive representation learning method for spatial scene similarity evaluation

    Article • International Journal of Applied Earth Observation and Geoinformation, April 2024, Elsevier

    Dr. Gengchen Mai

  34. On the Opportunities and Challenges of Foundation Models for GeoAI (Vision Paper)

    Article • ACM Transactions on Spatial Algorithms and Systems, March 2024, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai, Dr Yingjie Hu

  35. Exploring New Frontiers in Agricultural NLP: Investigating the Potential of Large Language Models for Food Applications

    Article • IEEE Transactions on Big Data, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Gengchen Mai

  36. Rethink Geographical Generalizability with Unsupervised Self-Attention Model Ensemble: A Case Study of OpenStreetMap Missing Building Detection in Africa

    Article • November 2023, ACM (Association for Computing Machinery)

    Dr. Hao Li, Johann Maximilian Zollner, Dr. Gengchen Mai

  37. Building Privacy-Preserving and Secure Geospatial Artificial Intelligence Foundation Models (Vision Paper)

    Article • November 2023, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  38. Geo-Foundation Models: Reality, Gaps and Opportunities

    Article • November 2023, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  39. Geo-knowledge-guided GPT models improve the extraction of location descriptions from disaster-related social media messages

    Article • International Journal of Geographical Information Science, October 2023, Taylor & Francis

    Dr. Gengchen Mai, Dr Yingjie Hu

  40. Artificial intelligence enabled participatory planning: a review

    Article • International Journal of Urban Sciences, October 2023, Taylor & Francis

    Dr. Gengchen Mai

  41. Sphere2Vec: A general-purpose location representation learning over a spherical surface for large-scale geospatial predictions

    Article • ISPRS Journal of Photogrammetry and Remote Sensing, August 2023, Elsevier

    Dr. Gengchen Mai

  42. Thinking Geographically about AI Sustainability

    Article • AGILE GIScience Series, June 2023, Copernicus GmbH

    Dr. Gengchen Mai

  43. EVKG: An interlinked and interoperable electric vehicle knowledge graph for smart transportation system

    Article • Transactions in GIS, May 2023, Wiley

    Dr. Gengchen Mai

  44. Learning urban region representations with POIs and hierarchical graph infomax

    Article • ISPRS Journal of Photogrammetry and Remote Sensing, February 2023, Elsevier

    Dr. Gengchen Mai

  45. Symbolic and subsymbolicGeoAI: Geospatial knowledge graphs and spatially explicit machine learning

    Article • Transactions in GIS, December 2022, Wiley

    Dr. Gengchen Mai

  46. Building a foundation model for geospatial artificial intelligence

    Article • November 2022, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  47. Understanding economic development in rural Africa using satellite imagery, building footprints and deep models

    Article • November 2022, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  48. Towards general-purpose representation learning of polygonal geometries

    Article • GeoInformatica, October 2022, Springer Science + Business Media

    Dr. Gengchen Mai

  49. HyperQuaternionE: A hyperbolic embedding model for qualitative spatial and temporal reasoning

    Article • GeoInformatica, September 2022, Springer Science + Business Media

    Dr. Gengchen Mai

  50. Reasoning over higher-order qualitative spatial relations via spatially explicit neural networks

    Article • International Journal of Geographical Information Science, July 2022, Taylor & Francis

    Dr. Gengchen Mai

  51. COVID-Forecast-Graph: An Open Knowledge Graph for Consolidating COVID-19 Forecasts and Economic Indicators via Place and Time

    Article • AGILE GIScience Series, June 2022, Copernicus GmbH

    Dr. Gengchen Mai

  52. Geoparsing: Solved or Biased? An Evaluation of Geographic Biases in Geoparsing

    Article • AGILE GIScience Series, June 2022, Copernicus GmbH

    Dr. Gengchen Mai

  53. Know, Know Where, KnowWhereGraph: A densely connected, cross‐domain knowledge graph and geo‐enrichment service stack for applications in environmental intelligence

    Article • AI Magazine, March 2022, Wiley

    Dr. Gengchen Mai

  54. Narrative Cartography with Knowledge Graphs

    Article • Journal of Geovisualization and Spatial Analysis, February 2022, Springer Science + Business Media

    Dr. Gengchen Mai

  55. A review of location encoding for GeoAI: methods and applications

    Article • International Journal of Geographical Information Science, January 2022, Taylor & Francis

    Dr. Gengchen Mai, Dr Yingjie Hu

  56. LD Connect: A Linked Data Portal for IOS Press Scientometrics

    Article • January 2022, Springer Science + Business Media

    Dr. Gengchen Mai

  57. A Pattern for Features on a Hierarchical Spatial Grid

    Article • December 2021, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  58. SOSA-SHACL: Shapes Constraint for the Sensor, Observation, Sample, and Actuator Ontology

    Article • December 2021, ACM (Association for Computing Machinery)

    Gengchen Mai, Dr. Gengchen Mai

  59. Time in a Box

    Article • December 2021, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  60. Providing Humanitarian Relief Support through Knowledge Graphs

    Article • December 2021, ACM (Association for Computing Machinery)

    Yuanyuan Tian, Dr. Gengchen Mai

  61. Diverse data! Diverse schemata?

    Article • Semantic Web – Interoperability Usability Applicability, November 2021, IOS Press

    Dr. Gengchen Mai

  62. A Socially Aware Huff Model for Destination Choice in Nature-based Tourism

    Article • AGILE GIScience Series, June 2021, Copernicus GmbH

    Dr. Gengchen Mai

  63. Traffic transformer: Capturing the continuity and periodicity of time series for traffic forecasting

    Article • Transactions in GIS, June 2020, Wiley

    Dr. Gengchen Mai

  64. SE‐KGE : A location‐aware Knowledge Graph Embedding model for Geographic Question Answering and Spatial Semantic Lifting

    Article • Transactions in GIS, May 2020, Wiley

    Dr. Gengchen Mai

  65. Contextual Graph Attention for Answering Logical Queries over Incomplete Knowledge Graphs

    Article • September 2019, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  66. TransGCN

    Article • September 2019, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  67. A spatially explicit reinforcement learning model for geographic knowledge graph summarization

    Article • Transactions in GIS, June 2019, Wiley

    Dr. Gengchen Mai

  68. Deeply integrating Linked Data with Geographic Information Systems

    Article • Transactions in GIS, June 2019, Wiley

    Dr. Gengchen Mai

  69. Making direction a first‐class citizen of Tobler's first law of geography

    Article • Transactions in GIS, June 2019, Wiley

    Dr. Gengchen Mai

  70. Relaxing Unanswerable Geographic Questions Using A Spatially Explicit Knowledge Graph Embedding Model

    Article • April 2019, Springer Science + Business Media

    Dr. Gengchen Mai

  71. POIReviewQA

    Article • November 2018, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  72. On the prospects of blockchain and distributed ledger technologies for open science and academic publishing

    Article • Semantic Web – Interoperability Usability Applicability, August 2018, IOS Press

    Maarten Frohlich, Stephanie Delbecque, Trevor Lazarus, Gengchen Mai, Dr. Gengchen Mai

  73. ADCN: An anisotropic density-based clustering algorithm for discovering spatial point patterns with noise

    Article • Transactions in GIS, January 2018, Wiley

    Dr. Gengchen Mai

  74. GNIS-LD: Serving and Visualizing the Geographic Names Information System Gazetteer as Linked Data

    Article • January 2018, Springer Science + Business Media

    Dr. Gengchen Mai

  75. Support and Centrality: Learning Weights for Knowledge Graph Embedding Models

    Article • January 2018, Springer Science + Business Media

    Dr. Gengchen Mai

  76. From ITDL to Place2Vec

    Article • November 2017, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  77. ADCN

    Article • October 2016, ACM (Association for Computing Machinery)

    Dr. Gengchen Mai

  78. Moon Landing or Safari? A Study of Systematic Errors and Their Causes in Geographic Linked Data

    Article • January 2016, Springer Science + Business Media

    Dr. Gengchen Mai

  79. Quantifying determinants of cash crop expansion and their relative effects using logistic regression modeling and variance partitioning

    Article • International Journal of Applied Earth Observation and Geoinformation, February 2015, Elsevier

    Dr. Gengchen Mai

  80. Farmland fragmentation due to anthropogenic activity in rapidly developing region

    Article • Agricultural Systems, November 2014, Elsevier

    Dr. Gengchen Mai

  81. Peri-urban vegetated landscape pattern changes in relation to socioeconomic development

    Article • Ecological Indicators, November 2014, Elsevier

    Dr. Gengchen Mai