3

3D City Models

• From CityGML to Game Engine: A Reproducible Open-Source GIS Pipeline for Interactive 3D Urban Environments Using PLATEAU, Blender and Godot, pages 143–149

3D Point Cloud

• A Pipeline for Low-Cost Wide-Area 3D Mapping Using LiDAR-Equipped Mobile Devices and Open Data, pages 319–326

3D city model

• Scaling Open 3D City Models: Implementation and Validation of an AI-driven Automated Generation Tool “AI City Model Maker beta version”, pages 213–218

A

A5

• FloodA5: An Open-Source Framework for Flood Modelling on an Equal-Area Pentagonal DGGS, pages 333–340

ADS-B

• From Raw ADS-B Signals to Reproducible Flight Trajectories: An Open Geospatial Workflow for Narita International Airport, pages 303–310

AI

• Scaling Open 3D City Models: Implementation and Validation of an AI-driven Automated Generation Tool “AI City Model Maker beta version”, pages 213–218

AI Image segmentation

• Feasibility to detect rapid change and disappearance of seagrass: Lessons from nearly 80 years of vegetation change in the Ako, Seto Inland Sea, Japan, pages 347–354

Academic Track

• Preface: Proceedings of the FOSS4G2026 Academic Track – Hiroshima, Bridging Geospatial Technology and Humanity, pages 1–2

Accessibility

• Comparative Analysis of Route and Health Care Facilities for the Emergency Patients of Pune and Bengaluru, pages 243–249

Agricultural Research

• Extending GeoNode as a Foundation for Research Data Management Infrastructures in Agricultural Research, pages 327–332

Aitchison distance

• Aitchison-Loss Training with Geospatial Embeddings Sharpens Compositional Land-Cover Maps, pages 95–102

Angular Segment Analysis

• How Does Walkability for Elderly People Differ between Hilly and Flat Urban Areas? A Case Study of Shin-Yurigaoka Station and Nagareyama-Otakanomori Station, pages 311–318

Aquatic Plants

• Feasibility to detect rapid change and disappearance of seagrass: Lessons from nearly 80 years of vegetation change in the Ako, Seto Inland Sea, Japan, pages 347–354

Area of applicability

• Comparing uncertainty quantification methods for Random Forest-based digital soil mapping, pages 63–70

Aromia bungii

• Rectangular vs Hexagonal Grid Tessellation for Spatial Analysis of Invasive Species: A Case Study of Aromia bungii in Saitama, Japan, pages 111–118

Augmented Reality

• MUSUBOU-AR: An Open-Source Geospatial AR Framework for Integrating Public GIS Data, Field Authoring, and Disaster Walking Tours, pages 367–374

Automated tool

• Scaling Open 3D City Models: Implementation and Validation of an AI-driven Automated Generation Tool “AI City Model Maker beta version”, pages 213–218

agricultural terraces

• An open-source GeoAI workflow for mapping historic agricultural terraces, pages 19–26

airport operations

• From Raw ADS-B Signals to Reproducible Flight Trajectories: An Open Geospatial Workflow for Narita International Airport, pages 303–310

ann

• Application of SUMO in Simulation of Optimized Traffic Light Timing derived using Artificial Neural Network and GIS, pages 103–110

artificial neural networks

• Uncertainty in AI-Based Terrain Traversability Prediction from Incomplete Geospatial Data, pages 341–346

automated workflow

• Mapping Nearshore Cladophora in Lake Ontario: An Automated Open-Source Sentinel-2 Workflow and Experimental Index, pages 391–398

B

Bengaluru

• Comparative Analysis of Route and Health Care Facilities for the Emergency Patients of Pune and Bengaluru, pages 243–249

Biodiversity

• Evaluating spectral diversity approaches for tree species diversity mapping in hemi-boreal forests using Sentinel-2 and biodivMapR, pages 3–10

BonaRes Repository

• Extending GeoNode as a Foundation for Research Data Management Infrastructures in Agricultural Research, pages 327–332

Buffer

• GIS-Based Walking Map Isochrones in Measuring Transit Catchment: A Spatial Approach to Urban Accessibility, pages 57–62

Building footprint extraction

• DINO-EdgeQuery: Edge-First Polygon Decoding for Building Footprint Extraction from Satellite Imagery, pages 119–126

Busan

• An Open Geospatial Framework for Proximity-Based Community Planning: Integrating Mobility-Based Community Detection, Multimodal Accessibility and Facility Allocation Optimisation, pages 35–41

C

Cartographic Design

• Towards Automated Map JSON Style from Spatial Vector Data Using MCP, pages 297–302

Change Detection

• Eliminating Temporal Misalignment in SAR Flood Detection with a ConvLSTM-Siamese Approach Using Sentinel-1 Time Series, pages 181–188

Choropleth visualization

• Multivariate Spatio-Temporal Modeling for Regional GIS Data: A Statistical Framework for Analyzing Multidimensional Spatial Interactions, pages 197–204

CityGML

• From CityGML to Game Engine: A Reproducible Open-Source GIS Pipeline for Interactive 3D Urban Environments Using PLATEAU, Blender and Godot, pages 143–149

Cladophora

• Mapping Nearshore Cladophora in Lake Ontario: An Automated Open-Source Sentinel-2 Workflow and Experimental Index, pages 391–398

Columbia Basin

• Global Contributors, Local Maps: The Story of OpenStreetMap in a Small Town, pages 251–258

Command-Line Tool

• Data4Land - Reproducible Open-Source Tool for Enrichment of Land Use / Land Cover Rasters and Connectivity Maps, pages 135–142

Common Geo-Registry

• Towards a Spatial Knowledge Mesh: A Metamodel for Federated and Interoperable Spatial Knowledge Graphs to Enable Geospatial Awareness, Integrity, Provenance, and Trust in Large Language Models, pages 151–158

Compositional land-cover classification

• Aitchison-Loss Training with Geospatial Embeddings Sharpens Compositional Land-Cover Maps, pages 95–102

Conformal prediction

• Comparing uncertainty quantification methods for Random Forest-based digital soil mapping, pages 63–70

ConvLSTM

• Eliminating Temporal Misalignment in SAR Flood Detection with a ConvLSTM-Siamese Approach Using Sentinel-1 Time Series, pages 181–188

Copernicus DEM

• From Ancient Legends to Pixels: Reconstructing Ancient Esna Landscape with GIS and Remote Sensing, pages 383–390

church orientation

• Between Sacred Tradition and Urban Form: An OpenStreetMap-Based Analysis of Church Orientation Patterns in Milan, pages 43–48

circular statistics

• Between Sacred Tradition and Urban Form: An OpenStreetMap-Based Analysis of Church Orientation Patterns in Milan, pages 43–48

contributor behaviour

• Spatiotemporal Analysis of OpenStreetMap Editing Activities in Japan Using the OSMCha, pages 275–282

crowdsourcing

• Global Contributors, Local Maps: The Story of OpenStreetMap in a Small Town, pages 251–258

D

DBSCAN

• Examining the Relationship Between Tatara Iron Production and Grassland Distribution in Western Japan: An Open Geospatial Approach to Historical Landscape Analysis, pages 205–211

DGGS

• Grid4Earth: An Open-Source Python Ecosystem for Geospatial Data Integration Using an Ellipsoidal HEALPix DGGS, pages 189–195
• FloodA5: An Open-Source Framework for Flood Modelling on an Equal-Area Pentagonal DGGS, pages 333–340

DINOv3

• DINO-EdgeQuery: Edge-First Polygon Decoding for Building Footprint Extraction from Satellite Imagery, pages 119–126

Dashboard

• A case use of FOSS4G to promote the Mining Industry: The P3M Platform of the Geological Survey of Brazil, pages 175–180

Data-scarce environments

• Using WRF-UCM as Boundary Forcing for Microscale Models in Data-Scarce Urban Environments, pages 71–77

Decision Making

• Development of an open-source analytical Digital Twin framework for environmental modelling and management, pages 227–234

Depth completion

• Learning with Spaceborne LiDAR for Enhancement of Bare-Earth Digital Elevation Models from Global Data, pages 27–33

Digital Twin

• Leveraging Geospatial Big Data for Smart City Digital Twins: A Framework for 3D Modeling and Solar Energy Assessment, pages 11–17
• Development of an open-source analytical Digital Twin framework for environmental modelling and management, pages 227–234

Digital Twin Earth

• Grid4Earth: An Open-Source Python Ecosystem for Geospatial Data Integration Using an Ellipsoidal HEALPix DGGS, pages 189–195

Digital elevation model

• Learning with Spaceborne LiDAR for Enhancement of Bare-Earth Digital Elevation Models from Global Data, pages 27–33

Disaster Risk Analysis

• A Comprehensive Disaster Risk Analysis Model With GeoAI, pages 159–166

Disaster Risk Communication

• MUSUBOU-AR: An Open-Source Geospatial AR Framework for Integrating Public GIS Data, Field Authoring, and Disaster Walking Tours, pages 367–374

E

ENVI-met

• Using WRF-UCM as Boundary Forcing for Microscale Models in Data-Scarce Urban Environments, pages 71–77

Earth Observation

• Towards an open registry of Earth observation instruments, pages 167–174
• Grid4Earth: An Open-Source Python Ecosystem for Geospatial Data Integration Using an Ellipsoidal HEALPix DGGS, pages 189–195

Elderly People

• How Does Walkability for Elderly People Differ between Hilly and Flat Urban Areas? A Case Study of Shin-Yurigaoka Station and Nagareyama-Otakanomori Station, pages 311–318

Ellipsoidal HEALPix

• Grid4Earth: An Open-Source Python Ecosystem for Geospatial Data Integration Using an Ellipsoidal HEALPix DGGS, pages 189–195

Emergency care

• Comparative Analysis of Route and Health Care Facilities for the Emergency Patients of Pune and Bengaluru, pages 243–249

Esna

• From Ancient Legends to Pixels: Reconstructing Ancient Esna Landscape with GIS and Remote Sensing, pages 383–390

Essential Biodiversity Variables (EBVs)

• Feasibility to detect rapid change and disappearance of seagrass: Lessons from nearly 80 years of vegetation change in the Ako, Seto Inland Sea, Japan, pages 347–354

Exercise

• Implementation and evaluation of geography education using QGIS for Japanese high school students, pages 361–366

edge primitives

• DINO-EdgeQuery: Edge-First Polygon Decoding for Building Footprint Extraction from Satellite Imagery, pages 119–126

F

FAIR principles

• Extending GeoNode as a Foundation for Research Data Management Infrastructures in Agricultural Research, pages 327–332

FHD

• Regional 10-m Mapping of Forest Foliage Height Diversity in Hokkaido, Japan, Using GEDI and Foundation-Model Satellite Embeddings, pages 267–274

FOSS4G

• Preface: Proceedings of the FOSS4G2026 Academic Track – Hiroshima, Bridging Geospatial Technology and Humanity, pages 1–2
• An Open Geospatial Framework for Proximity-Based Community Planning: Integrating Mobility-Based Community Detection, Multimodal Accessibility and Facility Allocation Optimisation, pages 35–41
• Open-Source Spatiotemporal Traffic Congestion Analysis at City Scale: A Reproducible Python Pipeline Combining PySAL, OSMnx, and Multilevel Modeling, pages 49–56
• A case use of FOSS4G to promote the Mining Industry: The P3M Platform of the Geological Survey of Brazil, pages 175–180

Facility allocation

• An Open Geospatial Framework for Proximity-Based Community Planning: Integrating Mobility-Based Community Detection, Multimodal Accessibility and Facility Allocation Optimisation, pages 35–41

Flood Detection

• Eliminating Temporal Misalignment in SAR Flood Detection with a ConvLSTM-Siamese Approach Using Sentinel-1 Time Series, pages 181–188

Folklore geography

• From Point Anchors to Geospatial Support: A Resolution-Aware Representation of Toponymic and Non-Toponymic Place Evidence in a Japanese Yokai Archive, pages 283–290

Forest Structure Mapping

• Regional 10-m Mapping of Forest Foliage Height Diversity in Hokkaido, Japan, Using GEDI and Foundation-Model Satellite Embeddings, pages 267–274

Foundation model embeddings

• Aitchison-Loss Training with Geospatial Embeddings Sharpens Compositional Land-Cover Maps, pages 95–102

Free and open-source software (FOSS)

• Shared Landscapes, Shared Futures: Visual Landscape Evolution Modelling for Community Stewardship, pages 235–242

flight trajectory

• From Raw ADS-B Signals to Reproducible Flight Trajectories: An Open Geospatial Workflow for Narita International Airport, pages 303–310

flood modelling

• FloodA5: An Open-Source Framework for Flood Modelling on an Equal-Area Pentagonal DGGS, pages 333–340

G

GEDI

• Regional 10-m Mapping of Forest Foliage Height Diversity in Hokkaido, Japan, Using GEDI and Foundation-Model Satellite Embeddings, pages 267–274

GIS

• FloodA5: An Open-Source Framework for Flood Modelling on an Equal-Area Pentagonal DGGS, pages 333–340

GIS education

• Implementation and evaluation of geography education using QGIS for Japanese high school students, pages 361–366

GTFS

• Tool Selection for Detailed Accessibility Analysis Using GTFS Data: The Case of the Yamagata Urban Area, pages 355–360

Geo-GraphRAG

• Towards a Spatial Knowledge Mesh: A Metamodel for Federated and Interoperable Spatial Knowledge Graphs to Enable Geospatial Awareness, Integrity, Provenance, and Trust in Large Language Models, pages 151–158

GeoAI

• Towards a Spatial Knowledge Mesh: A Metamodel for Federated and Interoperable Spatial Knowledge Graphs to Enable Geospatial Awareness, Integrity, Provenance, and Trust in Large Language Models, pages 151–158
• A Comprehensive Disaster Risk Analysis Model With GeoAI, pages 159–166
• Uncertainty in AI-Based Terrain Traversability Prediction from Incomplete Geospatial Data, pages 341–346

GeoNode

• Extending GeoNode as a Foundation for Research Data Management Infrastructures in Agricultural Research, pages 327–332

Geographic Information Systems

• A Comprehensive Disaster Risk Analysis Model With GeoAI, pages 159–166

Geographic resolution

• From Point Anchors to Geospatial Support: A Resolution-Aware Representation of Toponymic and Non-Toponymic Place Evidence in a Japanese Yokai Archive, pages 283–290

Georeferencing

• A Pipeline for Low-Cost Wide-Area 3D Mapping Using LiDAR-Equipped Mobile Devices and Open Data, pages 319–326

Geospatial

• Preface: Proceedings of the FOSS4G2026 Academic Track – Hiroshima, Bridging Geospatial Technology and Humanity, pages 1–2
• Development of an open-source analytical Digital Twin framework for environmental modelling and management, pages 227–234

Geospatial Question Answering

• A Systematic Comparison of RAG Architectures for Geographic POI Question Answering Using OpenStreetMap Data, pages 219–226

Geospatial support

• From Point Anchors to Geospatial Support: A Resolution-Aware Representation of Toponymic and Non-Toponymic Place Evidence in a Japanese Yokai Archive, pages 283–290

Geovisualization

• MUSUBOU-AR: An Open-Source Geospatial AR Framework for Integrating Public GIS Data, Field Authoring, and Disaster Walking Tours, pages 367–374

Global warming

• Feasibility to detect rapid change and disappearance of seagrass: Lessons from nearly 80 years of vegetation change in the Ako, Seto Inland Sea, Japan, pages 347–354

Godot Engine

• From CityGML to Game Engine: A Reproducible Open-Source GIS Pipeline for Interactive 3D Urban Environments Using PLATEAU, Blender and Godot, pages 143–149

Grassland distribution

• Examining the Relationship Between Tatara Iron Production and Grassland Distribution in Western Japan: An Open Geospatial Approach to Historical Landscape Analysis, pages 205–211

geomorphology

• An open-source GeoAI workflow for mapping historic agricultural terraces, pages 19–26

geomorphometry

• Integrating Machine Learning with Open-Source GIS for Reproducible High-Resolution Terrain Classification and Hazard Mapping from UAV LiDAR Data, pages 127–133

geospatial data quality

• Uncertainty in AI-Based Terrain Traversability Prediction from Incomplete Geospatial Data, pages 341–346

gis

• Application of SUMO in Simulation of Optimized Traffic Light Timing derived using Artificial Neural Network and GIS, pages 103–110

H

HEALPix

• Grid4Earth: An Open-Source Python Ecosystem for Geospatial Data Integration Using an Ellipsoidal HEALPix DGGS, pages 189–195

Habitat Connectivity

• Data4Land - Reproducible Open-Source Tool for Enrichment of Land Use / Land Cover Rasters and Connectivity Maps, pages 135–142

Hazard Maps

• MUSUBOU-AR: An Open-Source Geospatial AR Framework for Integrating Public GIS Data, Field Authoring, and Disaster Walking Tours, pages 367–374

Hexagonal grid

• Rectangular vs Hexagonal Grid Tessellation for Spatial Analysis of Invasive Species: A Case Study of Aromia bungii in Saitama, Japan, pages 111–118

Hiroshima

• Preface: Proceedings of the FOSS4G2026 Academic Track – Hiroshima, Bridging Geospatial Technology and Humanity, pages 1–2

Historical geocoding

• From Point Anchors to Geospatial Support: A Resolution-Aware Representation of Toponymic and Non-Toponymic Place Evidence in a Japanese Yokai Archive, pages 283–290

hazard susceptibility mapping

• Integrating Machine Learning with Open-Source GIS for Reproducible High-Resolution Terrain Classification and Hazard Mapping from UAV LiDAR Data, pages 127–133

homography

• Mapping Nearshore Cladophora in Lake Ontario: An Automated Open-Source Sentinel-2 Workflow and Experimental Index, pages 391–398

hydroscape

• From Ancient Legends to Pixels: Reconstructing Ancient Esna Landscape with GIS and Remote Sensing, pages 383–390

I

Indigenous land stewardship

• Shared Landscapes, Shared Futures: Visual Landscape Evolution Modelling for Community Stewardship, pages 235–242

Indoor Navigation

• Making OGC IndoorGML 2.0Web-Ready: API – IndoorFeatures with IndoorJSON, pages 87–94

Indoor Spatial Data

• Making OGC IndoorGML 2.0Web-Ready: API – IndoorFeatures with IndoorJSON, pages 87–94

IndoorGML

• Making OGC IndoorGML 2.0Web-Ready: API – IndoorFeatures with IndoorJSON, pages 87–94

IndoorJSON

• Making OGC IndoorGML 2.0Web-Ready: API – IndoorFeatures with IndoorJSON, pages 87–94

Instrument Metadata

• Towards an open registry of Earth observation instruments, pages 167–174

Integrity

• Towards a Spatial Knowledge Mesh: A Metamodel for Federated and Interoperable Spatial Knowledge Graphs to Enable Geospatial Awareness, Integrity, Provenance, and Trust in Large Language Models, pages 151–158

Isochrone

• GIS-Based Walking Map Isochrones in Measuring Transit Catchment: A Spatial Approach to Urban Accessibility, pages 57–62

instance segmentation

• DINO-EdgeQuery: Edge-First Polygon Decoding for Building Footprint Extraction from Satellite Imagery, pages 119–126

interactive web mapping

• Multivariate Spatio-Temporal Modeling for Regional GIS Data: A Statistical Framework for Analyzing Multidimensional Spatial Interactions, pages 197–204

J

Japan

• Preface: Proceedings of the FOSS4G2026 Academic Track – Hiroshima, Bridging Geospatial Technology and Humanity, pages 1–2

K

Kubernetes

• Extending GeoNode as a Foundation for Research Data Management Infrastructures in Agricultural Research, pages 327–332

L

Land Use

• Data4Land - Reproducible Open-Source Tool for Enrichment of Land Use / Land Cover Rasters and Connectivity Maps, pages 135–142

Landsat

• Assessing the Temporal Consistency of Intra-Urban Surface Thermal Patterns in Satellite LST Time Series: A Case Study of Zagreb, Croatia, pages 259–266
• From Ancient Legends to Pixels: Reconstructing Ancient Esna Landscape with GIS and Remote Sensing, pages 383–390

Landscape evolution modelling

• Shared Landscapes, Shared Futures: Visual Landscape Evolution Modelling for Community Stewardship, pages 235–242

Landscape memory

• Examining the Relationship Between Tatara Iron Production and Grassland Distribution in Western Japan: An Open Geospatial Approach to Historical Landscape Analysis, pages 205–211

Large Language Models

• A Comprehensive Disaster Risk Analysis Model With GeoAI, pages 159–166
• A Systematic Comparison of RAG Architectures for Geographic POI Question Answering Using OpenStreetMap Data, pages 219–226
• Towards Automated Map JSON Style from Spatial Vector Data Using MCP, pages 297–302

LightGBM

• Regional 10-m Mapping of Forest Foliage Height Diversity in Hokkaido, Japan, Using GEDI and Foundation-Model Satellite Embeddings, pages 267–274

Linear programming

• An Open Geospatial Framework for Proximity-Based Community Planning: Integrating Mobility-Based Community Detection, Multimodal Accessibility and Facility Allocation Optimisation, pages 35–41

LoD2 Building Modelling

• Leveraging Geospatial Big Data for Smart City Digital Twins: A Framework for 3D Modeling and Solar Energy Assessment, pages 11–17

land surface temperature

• Assessing the Temporal Consistency of Intra-Urban Surface Thermal Patterns in Satellite LST Time Series: A Case Study of Zagreb, Croatia, pages 259–266

landscape archaeology

• An open-source GeoAI workflow for mapping historic agricultural terraces, pages 19–26

local cloud screening

• Mapping Nearshore Cladophora in Lake Ontario: An Automated Open-Source Sentinel-2 Workflow and Experimental Index, pages 391–398

M

Machine Learning

• A Comprehensive Disaster Risk Analysis Model With GeoAI, pages 159–166

Map Style JSON

• Towards Automated Map JSON Style from Spatial Vector Data Using MCP, pages 297–302

MapLibre

• Towards Automated Map JSON Style from Spatial Vector Data Using MCP, pages 297–302

Marine heatwave

• Feasibility to detect rapid change and disappearance of seagrass: Lessons from nearly 80 years of vegetation change in the Ako, Seto Inland Sea, Japan, pages 347–354

Mesoscale–microscale coupling

• Using WRF-UCM as Boundary Forcing for Microscale Models in Data-Scarce Urban Environments, pages 71–77

Meteorological forcing

• Using WRF-UCM as Boundary Forcing for Microscale Models in Data-Scarce Urban Environments, pages 71–77

Milan

• Between Sacred Tradition and Urban Form: An OpenStreetMap-Based Analysis of Church Orientation Patterns in Milan, pages 43–48

Mineral Exploration

• A case use of FOSS4G to promote the Mining Industry: The P3M Platform of the Geological Survey of Brazil, pages 175–180

Mineral Research

• A case use of FOSS4G to promote the Mining Industry: The P3M Platform of the Geological Survey of Brazil, pages 175–180

Mineral Resources

• A case use of FOSS4G to promote the Mining Industry: The P3M Platform of the Geological Survey of Brazil, pages 175–180

Mixed-pixel problem

• Aitchison-Loss Training with Geospatial Embeddings Sharpens Compositional Land-Cover Maps, pages 95–102

Mobile GIS

• MUSUBOU-AR: An Open-Source Geospatial AR Framework for Integrating Public GIS Data, Field Authoring, and Disaster Walking Tours, pages 367–374

Mobile LiDAR

• A Pipeline for Low-Cost Wide-Area 3D Mapping Using LiDAR-Equipped Mobile Devices and Open Data, pages 319–326

Mobility-based community detection

• An Open Geospatial Framework for Proximity-Based Community Planning: Integrating Mobility-Based Community Detection, Multimodal Accessibility and Facility Allocation Optimisation, pages 35–41

Model Context Protocol

• A Comprehensive Disaster Risk Analysis Model With GeoAI, pages 159–166
• Towards Automated Map JSON Style from Spatial Vector Data Using MCP, pages 297–302

Modelling

• Development of an open-source analytical Digital Twin framework for environmental modelling and management, pages 227–234

Moran’s I

• Rectangular vs Hexagonal Grid Tessellation for Spatial Analysis of Invasive Species: A Case Study of Aromia bungii in Saitama, Japan, pages 111–118

Multi-Hazard Assessment

• A Comprehensive Disaster Risk Analysis Model With GeoAI, pages 159–166

Multi-modal fusion

• Learning with Spaceborne LiDAR for Enhancement of Bare-Earth Digital Elevation Models from Global Data, pages 27–33

Multimodal accessibility

• An Open Geospatial Framework for Proximity-Based Community Planning: Integrating Mobility-Based Community Detection, Multimodal Accessibility and Facility Allocation Optimisation, pages 35–41

machine learning

• Integrating Machine Learning with Open-Source GIS for Reproducible High-Resolution Terrain Classification and Hazard Mapping from UAV LiDAR Data, pages 127–133

model comparison

• Multivariate Spatio-Temporal Modeling for Regional GIS Data: A Statistical Framework for Analyzing Multidimensional Spatial Interactions, pages 197–204

multilevel modelling

• Open-Source Spatiotemporal Traffic Congestion Analysis at City Scale: A Reproducible Python Pipeline Combining PySAL, OSMnx, and Multilevel Modeling, pages 49–56

N

NDBI

• Assessing the Temporal Consistency of Intra-Urban Surface Thermal Patterns in Satellite LST Time Series: A Case Study of Zagreb, Croatia, pages 259–266

NDVI

• Assessing the Temporal Consistency of Intra-Urban Surface Thermal Patterns in Satellite LST Time Series: A Case Study of Zagreb, Croatia, pages 259–266

O

OGC API

• Making OGC IndoorGML 2.0Web-Ready: API – IndoorFeatures with IndoorJSON, pages 87–94

OSM changeset analyzer

• Spatiotemporal Analysis of OpenStreetMap Editing Activities in Japan Using the OSMCha, pages 275–282

OSMnx

• Open-Source Spatiotemporal Traffic Congestion Analysis at City Scale: A Reproducible Python Pipeline Combining PySAL, OSMnx, and Multilevel Modeling, pages 49–56

Ollama

• Towards Automated Map JSON Style from Spatial Vector Data Using MCP, pages 297–302

Open Data

• A Pipeline for Low-Cost Wide-Area 3D Mapping Using LiDAR-Equipped Mobile Devices and Open Data, pages 319–326

Open Geospatial Data

• Regional 10-m Mapping of Forest Foliage Height Diversity in Hokkaido, Japan, Using GEDI and Foundation-Model Satellite Embeddings, pages 267–274

Open Registry

• Towards an open registry of Earth observation instruments, pages 167–174

Open Science

• Towards an open registry of Earth observation instruments, pages 167–174

Open Source

• Preface: Proceedings of the FOSS4G2026 Academic Track – Hiroshima, Bridging Geospatial Technology and Humanity, pages 1–2

Open geospatial science

• Learning with Spaceborne LiDAR for Enhancement of Bare-Earth Digital Elevation Models from Global Data, pages 27–33

Open geospatial workflow

• Examining the Relationship Between Tatara Iron Production and Grassland Distribution in Western Japan: An Open Geospatial Approach to Historical Landscape Analysis, pages 205–211

Open-Source GIS

• From CityGML to Game Engine: A Reproducible Open-Source GIS Pipeline for Interactive 3D Urban Environments Using PLATEAU, Blender and Godot, pages 143–149

Open-source GIS

• MUSUBOU-AR: An Open-Source Geospatial AR Framework for Integrating Public GIS Data, Field Authoring, and Disaster Walking Tours, pages 367–374

OpenEarthMap

• Aitchison-Loss Training with Geospatial Embeddings Sharpens Compositional Land-Cover Maps, pages 95–102

OpenStreetMap

• Between Sacred Tradition and Urban Form: An OpenStreetMap-Based Analysis of Church Orientation Patterns in Milan, pages 43–48
• Data4Land - Reproducible Open-Source Tool for Enrichment of Land Use / Land Cover Rasters and Connectivity Maps, pages 135–142
• A Systematic Comparison of RAG Architectures for Geographic POI Question Answering Using OpenStreetMap Data, pages 219–226
• Global Contributors, Local Maps: The Story of OpenStreetMap in a Small Town, pages 251–258
• Spatiotemporal Analysis of OpenStreetMap Editing Activities in Japan Using the OSMCha, pages 275–282

open-source GIS

• Integrating Machine Learning with Open-Source GIS for Reproducible High-Resolution Terrain Classification and Hazard Mapping from UAV LiDAR Data, pages 127–133
• Multivariate Spatio-Temporal Modeling for Regional GIS Data: A Statistical Framework for Analyzing Multidimensional Spatial Interactions, pages 197–204
• From Ancient Legends to Pixels: Reconstructing Ancient Esna Landscape with GIS and Remote Sensing, pages 383–390

open-source geospatial

• From Raw ADS-B Signals to Reproducible Flight Trajectories: An Open Geospatial Workflow for Narita International Airport, pages 303–310

open-source software

• FloodA5: An Open-Source Framework for Flood Modelling on an Equal-Area Pentagonal DGGS, pages 333–340

P

PLATEAU

• From CityGML to Game Engine: A Reproducible Open-Source GIS Pipeline for Interactive 3D Urban Environments Using PLATEAU, Blender and Godot, pages 143–149

PRISMA hyperspectral

• Synergistic use of PRISMA hyperspectral data and a random forest algorithm to map soil nutrients and chemical properties in sugarcane fields in Northeastern Thailand, pages 291–296

Park Visitor Counts

• Capturing park-use behavior patterns using volunteered street view imagery: Does the likelihood increase with the volume of contributions, pages 375–382

Participatory modelling

• Shared Landscapes, Shared Futures: Visual Landscape Evolution Modelling for Community Stewardship, pages 235–242

Place-based Indigenous knowledge

• Shared Landscapes, Shared Futures: Visual Landscape Evolution Modelling for Community Stewardship, pages 235–242

Point Cloud Registration

• A Pipeline for Low-Cost Wide-Area 3D Mapping Using LiDAR-Equipped Mobile Devices and Open Data, pages 319–326

Point of Interest

• A Systematic Comparison of RAG Architectures for Geographic POI Question Answering Using OpenStreetMap Data, pages 219–226

Preface

• Preface: Proceedings of the FOSS4G2026 Academic Track – Hiroshima, Bridging Geospatial Technology and Humanity, pages 1–2

Project PLATEAU

• Scaling Open 3D City Models: Implementation and Validation of an AI-driven Automated Generation Tool “AI City Model Maker beta version”, pages 213–218

Provenance and Trust

• Towards a Spatial Knowledge Mesh: A Metamodel for Federated and Interoperable Spatial Knowledge Graphs to Enable Geospatial Awareness, Integrity, Provenance, and Trust in Large Language Models, pages 151–158

Provider Catchment Analysis

• Linking provider catchment patterns and SaTScan risk clusters to support evidence-based public health nursing in urban Japan, pages 79–85

Proximity-based planning

• An Open Geospatial Framework for Proximity-Based Community Planning: Integrating Mobility-Based Community Detection, Multimodal Accessibility and Facility Allocation Optimisation, pages 35–41

Public Health Nurse

• Linking provider catchment patterns and SaTScan risk clusters to support evidence-based public health nursing in urban Japan, pages 79–85

Pune

• Comparative Analysis of Route and Health Care Facilities for the Emergency Patients of Pune and Bengaluru, pages 243–249

PySAL

• Open-Source Spatiotemporal Traffic Congestion Analysis at City Scale: A Reproducible Python Pipeline Combining PySAL, OSMnx, and Multilevel Modeling, pages 49–56

Python

• Data4Land - Reproducible Open-Source Tool for Enrichment of Land Use / Land Cover Rasters and Connectivity Maps, pages 135–142

passability mapping

• Uncertainty in AI-Based Terrain Traversability Prediction from Incomplete Geospatial Data, pages 341–346

platform capitalism

• Global Contributors, Local Maps: The Story of OpenStreetMap in a Small Town, pages 251–258

polygon decoding

• DINO-EdgeQuery: Edge-First Polygon Decoding for Building Footprint Extraction from Satellite Imagery, pages 119–126

precision agriculture

• Synergistic use of PRISMA hyperspectral data and a random forest algorithm to map soil nutrients and chemical properties in sugarcane fields in Northeastern Thailand, pages 291–296

pygeoapi

• Making OGC IndoorGML 2.0Web-Ready: API – IndoorFeatures with IndoorJSON, pages 87–94

Q

QGIS

• Leveraging Geospatial Big Data for Smart City Digital Twins: A Framework for 3D Modeling and Solar Energy Assessment, pages 11–17
• Linking provider catchment patterns and SaTScan risk clusters to support evidence-based public health nursing in urban Japan, pages 79–85
• Tool Selection for Detailed Accessibility Analysis Using GTFS Data: The Case of the Yamagata Urban Area, pages 355–360
• Implementation and evaluation of geography education using QGIS for Japanese high school students, pages 361–366

quality assessment

• Spatiotemporal Analysis of OpenStreetMap Editing Activities in Japan Using the OSMCha, pages 275–282

quicklook

• Mapping Nearshore Cladophora in Lake Ontario: An Automated Open-Source Sentinel-2 Workflow and Experimental Index, pages 391–398

R

Random Forest

• Comparing uncertainty quantification methods for Random Forest-based digital soil mapping, pages 63–70

Remote Sensing Instruments

• Towards an open registry of Earth observation instruments, pages 167–174

Reproducible Pipeline

• From CityGML to Game Engine: A Reproducible Open-Source GIS Pipeline for Interactive 3D Urban Environments Using PLATEAU, Blender and Godot, pages 143–149

Research Data Management

• Extending GeoNode as a Foundation for Research Data Management Infrastructures in Agricultural Research, pages 327–332

Retrieval-Augmented Generation

• A Systematic Comparison of RAG Architectures for Geographic POI Question Answering Using OpenStreetMap Data, pages 219–226

Rooftop Photovoltaics

• Leveraging Geospatial Big Data for Smart City Digital Twins: A Framework for 3D Modeling and Solar Energy Assessment, pages 11–17

Route

• Comparative Analysis of Route and Health Care Facilities for the Emergency Patients of Pune and Bengaluru, pages 243–249

Routing Algorithms

• Tool Selection for Detailed Accessibility Analysis Using GTFS Data: The Case of the Yamagata Urban Area, pages 355–360

random forest

• An open-source GeoAI workflow for mapping historic agricultural terraces, pages 19–26
• Synergistic use of PRISMA hyperspectral data and a random forest algorithm to map soil nutrients and chemical properties in sugarcane fields in Northeastern Thailand, pages 291–296

rectangular grid

• Rectangular vs Hexagonal Grid Tessellation for Spatial Analysis of Invasive Species: A Case Study of Aromia bungii in Saitama, Japan, pages 111–118

remote sensing

• DINO-EdgeQuery: Edge-First Polygon Decoding for Building Footprint Extraction from Satellite Imagery, pages 119–126

reproducible pipeline

• Open-Source Spatiotemporal Traffic Congestion Analysis at City Scale: A Reproducible Python Pipeline Combining PySAL, OSMnx, and Multilevel Modeling, pages 49–56

reproducible workflow

• From Raw ADS-B Signals to Reproducible Flight Trajectories: An Open Geospatial Workflow for Narita International Airport, pages 303–310

ritual landscape

• From Ancient Legends to Pixels: Reconstructing Ancient Esna Landscape with GIS and Remote Sensing, pages 383–390

S

SAGA GIS

• Leveraging Geospatial Big Data for Smart City Digital Twins: A Framework for 3D Modeling and Solar Energy Assessment, pages 11–17

SaTScan

• Linking provider catchment patterns and SaTScan risk clusters to support evidence-based public health nursing in urban Japan, pages 79–85

Saitama

• Rectangular vs Hexagonal Grid Tessellation for Spatial Analysis of Invasive Species: A Case Study of Aromia bungii in Saitama, Japan, pages 111–118

Satellite Constellation

• Feasibility to detect rapid change and disappearance of seagrass: Lessons from nearly 80 years of vegetation change in the Ako, Seto Inland Sea, Japan, pages 347–354

Satellite Embedding

• Regional 10-m Mapping of Forest Foliage Height Diversity in Hokkaido, Japan, Using GEDI and Foundation-Model Satellite Embeddings, pages 267–274

Senior and junior high school students

• Implementation and evaluation of geography education using QGIS for Japanese high school students, pages 361–366

Sentinel-1

• Eliminating Temporal Misalignment in SAR Flood Detection with a ConvLSTM-Siamese Approach Using Sentinel-1 Time Series, pages 181–188

Sentinel-2

• Evaluating spectral diversity approaches for tree species diversity mapping in hemi-boreal forests using Sentinel-2 and biodivMapR, pages 3–10
• Aitchison-Loss Training with Geospatial Embeddings Sharpens Compositional Land-Cover Maps, pages 95–102
• Mapping Nearshore Cladophora in Lake Ontario: An Automated Open-Source Sentinel-2 Workflow and Experimental Index, pages 391–398

Service Catchment Area

• GIS-Based Walking Map Isochrones in Measuring Transit Catchment: A Spatial Approach to Urban Accessibility, pages 57–62

Slope Analysis

• How Does Walkability for Elderly People Differ between Hilly and Flat Urban Areas? A Case Study of Shin-Yurigaoka Station and Nagareyama-Otakanomori Station, pages 311–318

Smart City

• Leveraging Geospatial Big Data for Smart City Digital Twins: A Framework for 3D Modeling and Solar Energy Assessment, pages 11–17

Software

• Preface: Proceedings of the FOSS4G2026 Academic Track – Hiroshima, Bridging Geospatial Technology and Humanity, pages 1–2

Soil organic carbon mapping

• Comparing uncertainty quantification methods for Random Forest-based digital soil mapping, pages 63–70

Space Syntax

• How Does Walkability for Elderly People Differ between Hilly and Flat Urban Areas? A Case Study of Shin-Yurigaoka Station and Nagareyama-Otakanomori Station, pages 311–318

Spaceborne LiDAR

• Learning with Spaceborne LiDAR for Enhancement of Bare-Earth Digital Elevation Models from Global Data, pages 27–33

Spatial Knowledge Mesh

• Towards a Spatial Knowledge Mesh: A Metamodel for Federated and Interoperable Spatial Knowledge Graphs to Enable Geospatial Awareness, Integrity, Provenance, and Trust in Large Language Models, pages 151–158

Spatial Planning

• Data4Land - Reproducible Open-Source Tool for Enrichment of Land Use / Land Cover Rasters and Connectivity Maps, pages 135–142

Spatial Scan Statistics

• Linking provider catchment patterns and SaTScan risk clusters to support evidence-based public health nursing in urban Japan, pages 79–85

Spatial humanities

• From Point Anchors to Geospatial Support: A Resolution-Aware Representation of Toponymic and Non-Toponymic Place Evidence in a Japanese Yokai Archive, pages 283–290

Specific Health Checkup

• Linking provider catchment patterns and SaTScan risk clusters to support evidence-based public health nursing in urban Japan, pages 79–85

Spectral Variation Hypothesis

• Evaluating spectral diversity approaches for tree species diversity mapping in hemi-boreal forests using Sentinel-2 and biodivMapR, pages 3–10

Spectral diversity

• Evaluating spectral diversity approaches for tree species diversity mapping in hemi-boreal forests using Sentinel-2 and biodivMapR, pages 3–10

Spectral species

• Evaluating spectral diversity approaches for tree species diversity mapping in hemi-boreal forests using Sentinel-2 and biodivMapR, pages 3–10

Street View Imagery

• Capturing park-use behavior patterns using volunteered street view imagery: Does the likelihood increase with the volume of contributions, pages 375–382

Structured Spatial Processing

• A Systematic Comparison of RAG Architectures for Geographic POI Question Answering Using OpenStreetMap Data, pages 219–226

Suburban Railway Station Areas

• How Does Walkability for Elderly People Differ between Hilly and Flat Urban Areas? A Case Study of Shin-Yurigaoka Station and Nagareyama-Otakanomori Station, pages 311–318

Sugarcane crop

• Synergistic use of PRISMA hyperspectral data and a random forest algorithm to map soil nutrients and chemical properties in sugarcane fields in Northeastern Thailand, pages 291–296

Synthetic Aperture Radar

• Eliminating Temporal Misalignment in SAR Flood Detection with a ConvLSTM-Siamese Approach Using Sentinel-1 Time Series, pages 181–188

soil nutrients

• Synergistic use of PRISMA hyperspectral data and a random forest algorithm to map soil nutrients and chemical properties in sugarcane fields in Northeastern Thailand, pages 291–296

spatial autocorrelation

• Rectangular vs Hexagonal Grid Tessellation for Spatial Analysis of Invasive Species: A Case Study of Aromia bungii in Saitama, Japan, pages 111–118

spatial econometrics

• Multivariate Spatio-Temporal Modeling for Regional GIS Data: A Statistical Framework for Analyzing Multidimensional Spatial Interactions, pages 197–204

spatial humanities

• Between Sacred Tradition and Urban Form: An OpenStreetMap-Based Analysis of Church Orientation Patterns in Milan, pages 43–48

spatiotemporal analysis

• Spatiotemporal Analysis of OpenStreetMap Editing Activities in Japan Using the OSMCha, pages 275–282

spatiotemporal model

• Multivariate Spatio-Temporal Modeling for Regional GIS Data: A Statistical Framework for Analyzing Multidimensional Spatial Interactions, pages 197–204

sub-grid modelling

• FloodA5: An Open-Source Framework for Flood Modelling on an Equal-Area Pentagonal DGGS, pages 333–340

sumo

• Application of SUMO in Simulation of Optimized Traffic Light Timing derived using Artificial Neural Network and GIS, pages 103–110

T

Tatara iron production

• Examining the Relationship Between Tatara Iron Production and Grassland Distribution in Western Japan: An Open Geospatial Approach to Historical Landscape Analysis, pages 205–211

TerriaJS

• Development of an open-source analytical Digital Twin framework for environmental modelling and management, pages 227–234

Time-Series Analysis

• Eliminating Temporal Misalignment in SAR Flood Detection with a ConvLSTM-Siamese Approach Using Sentinel-1 Time Series, pages 181–188

Transit Accessibility

• GIS-Based Walking Map Isochrones in Measuring Transit Catchment: A Spatial Approach to Urban Accessibility, pages 57–62

Transit-oriented Development (TOD)

• GIS-Based Walking Map Isochrones in Measuring Transit Catchment: A Spatial Approach to Urban Accessibility, pages 57–62

Transport Geography

• Tool Selection for Detailed Accessibility Analysis Using GTFS Data: The Case of the Yamagata Urban Area, pages 355–360

Travel Path

• Capturing park-use behavior patterns using volunteered street view imagery: Does the likelihood increase with the volume of contributions, pages 375–382

Travel Time

• Tool Selection for Detailed Accessibility Analysis Using GTFS Data: The Case of the Yamagata Urban Area, pages 355–360

terrain classification

• Integrating Machine Learning with Open-Source GIS for Reproducible High-Resolution Terrain Classification and Hazard Mapping from UAV LiDAR Data, pages 127–133

terrain traversability

• Uncertainty in AI-Based Terrain Traversability Prediction from Incomplete Geospatial Data, pages 341–346

traditional ecological knowledge

• An open-source GeoAI workflow for mapping historic agricultural terraces, pages 19–26

traffic analysis

• Open-Source Spatiotemporal Traffic Congestion Analysis at City Scale: A Reproducible Python Pipeline Combining PySAL, OSMnx, and Multilevel Modeling, pages 49–56

traffic light timing optimization

• Application of SUMO in Simulation of Optimized Traffic Light Timing derived using Artificial Neural Network and GIS, pages 103–110

traffic simulation

• Application of SUMO in Simulation of Optimized Traffic Light Timing derived using Artificial Neural Network and GIS, pages 103–110

trend analysis

• Assessing the Temporal Consistency of Intra-Urban Surface Thermal Patterns in Satellite LST Time Series: A Case Study of Zagreb, Croatia, pages 259–266

U

UAV LiDAR

• Integrating Machine Learning with Open-Source GIS for Reproducible High-Resolution Terrain Classification and Hazard Mapping from UAV LiDAR Data, pages 127–133

Uncertainty quantification

• Comparing uncertainty quantification methods for Random Forest-based digital soil mapping, pages 63–70

Urban Resilience

• A Comprehensive Disaster Risk Analysis Model With GeoAI, pages 159–166

Urban microclimate

• Using WRF-UCM as Boundary Forcing for Microscale Models in Data-Scarce Urban Environments, pages 71–77

uncertainty

• From Raw ADS-B Signals to Reproducible Flight Trajectories: An Open Geospatial Workflow for Narita International Airport, pages 303–310
• Uncertainty in AI-Based Terrain Traversability Prediction from Incomplete Geospatial Data, pages 341–346

urban morphology

• Between Sacred Tradition and Urban Form: An OpenStreetMap-Based Analysis of Church Orientation Patterns in Milan, pages 43–48

urban thermal patterns

• Assessing the Temporal Consistency of Intra-Urban Surface Thermal Patterns in Satellite LST Time Series: A Case Study of Zagreb, Croatia, pages 259–266

V

VGI

• Global Contributors, Local Maps: The Story of OpenStreetMap in a Small Town, pages 251–258

Visitor Behavior

• Capturing park-use behavior patterns using volunteered street view imagery: Does the likelihood increase with the volume of contributions, pages 375–382

Visualisation

• Development of an open-source analytical Digital Twin framework for environmental modelling and management, pages 227–234

Volunteered Geographic Information

• Capturing park-use behavior patterns using volunteered street view imagery: Does the likelihood increase with the volume of contributions, pages 375–382

W

WRF-UCM

• Using WRF-UCM as Boundary Forcing for Microscale Models in Data-Scarce Urban Environments, pages 71–77

Walkability

• How Does Walkability for Elderly People Differ between Hilly and Flat Urban Areas? A Case Study of Shin-Yurigaoka Station and Nagareyama-Otakanomori Station, pages 311–318

Web Mapping

• A case use of FOSS4G to promote the Mining Industry: The P3M Platform of the Geological Survey of Brazil, pages 175–180

Z

Zarr

• Grid4Earth: An Open-Source Python Ecosystem for Geospatial Data Integration Using an Ellipsoidal HEALPix DGGS, pages 189–195