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32 Results Found

  • Article
  • Open Access
1,891 Views
33 Pages

Modeling Multi-Sensor Daily Fire Events in Brazil: The DescrEVE Relational Framework for Wildfire Monitoring

  • Henrique Bernini,
  • Fabiano Morelli,
  • Fabrício Galende Marques de Carvalho,
  • Guilherme dos Santos Benedito,
  • William Max dos Santos Silva Silva and
  • Samuel Lucas Vieira de Melo

14 February 2026

Wildfire monitoring in tropical regions requires robust frameworks capable of transforming heterogeneous satellite detections into consistent, event-level information suitable for decision support. This study presents the DescrEVE Fogo (Descriç...

(This article belongs to the Special Issue Remote Sensing for Wildfire Science: Monitoring, Modeling, and Mitigation)
  • Article
  • Open Access
2 Citations
960 Views
36 Pages

Natural-language access to spatial databases requires relation interpretation, entity grounding, metric normalization, and database-specific execution semantics. Direct generation of Structured Query Language (SQL) by large language models (LLMs) can...

  • Article
  • Open Access
6 Citations
5,195 Views
19 Pages

UrbanWater: Integrating EPANET 2 in a PostgreSQL/PostGIS-Based Geospatial Database Management System

  • Nuno Martinho,
  • José-Paulo de Almeida,
  • Nuno E. Simões and
  • Alfeu Sá-Marques

Incorporating data stored in a geographical information system (GIS) within the development of hydraulic simulation models is crucial for operating, updating, and hence redesigning water supply systems (WSS). Building and updating hydraulic models ca...

(This article belongs to the Special Issue Geospatial Open Systems)
  • Proceeding Paper
  • Open Access
2 Citations
7,679 Views
10 Pages

Pompeii represents a unique archaeological site in the world for the knowledge potential that it preserves, coinciding with an entire city of the ancient world—a fragile urban organism whose conservation represents an enormous challenge. The Pompeii...

(This article belongs to the Proceedings of ArcheoFOSS XIII Workshop—Open Software, Hardware, Processes, Data and Formats in Archaeological Research)
  • Article
  • Open Access
1 Citations
1,940 Views
19 Pages

4 September 2025

High-definition (HD) maps are essential for safe and reliable autonomous driving, but their growing size and the need for real-time updates pose significant challenges for in-vehicle storage and communication efficiency. This study proposes a lightwe...

(This article belongs to the Section Sensor Networks)
  • Proceeding Paper
  • Open Access
2,879 Views
10 Pages

The reconstruction of ancient civilizations requires the analysis of the material manifestations that have come down to us. This complex process involves the collection, comparison, and joint analysis of multiple types of data that can benefit from t...

(This article belongs to the Proceedings of ArcheoFOSS XIII Workshop—Open Software, Hardware, Processes, Data and Formats in Archaeological Research)
  • Article
  • Open Access
5 Citations
4,121 Views
21 Pages

The mutual identification of spatial objects is a fundamental issue when updating geographic data with other data sets. Representations of spatial objects in different sources may not have the same identifiers, which would unambiguously assign them t...

  • Article
  • Open Access
414 Views
32 Pages

Empirical Post-Generation Correctness Assessment for Natural-Language Access to Urban PostGIS Databases

  • Jiqiu Deng,
  • Chaolin Zhang,
  • Hui Zhang,
  • Longbo Li,
  • Liji Sun,
  • Xiao Ma and
  • Zhiyong Guo

Natural-language interfaces make urban spatial databases accessible, but generated structured query language (SQL) can execute successfully while returning a semantically incorrect answer. We evaluate a post-generation correctness-ranking layer on 18...

(This article belongs to the Topic Geospatial AI: Systems, Model, Methods, and Applications)
  • Article
  • Open Access
29 Citations
9,953 Views
20 Pages

In the era of big data, Internet-based geospatial information services such as various LBS apps are deployed everywhere, followed by an increasing number of queries against the massive spatial data. As a result, the traditional relational spatial dat...

  • Article
  • Open Access
5 Citations
2,520 Views
14 Pages

Novel Grid Collection and Management Model of Remote Sensing Change Detection Samples

  • Daoye Zhu,
  • Bing Han,
  • Elisabete A. Silva,
  • Shuang Li,
  • Min Huang,
  • Fuhu Ren and
  • Chengqi Cheng

27 November 2023

Remote sensing data have become an important data source for urban and regional change detection, owing to their advantages of authenticity, objectivity, immediacy, and low cost. The method of collection and management for remote sensing change detec...

(This article belongs to the Special Issue GeoAI and EO Big Data Driven Advances in Earth Environmental Science)
  • Proceeding Paper
  • Open Access
591 Views
11 Pages

Implementation and Evaluation of the Shortest-Path Algorithm for GIS Network Routing

  • Ventsislav Stanchev,
  • Antonina Ivanova,
  • Fatima Sapundzhi and
  • Slavi Georgiev

This work examines the implementation and evaluation of shortest-path algorithm in a Geographic Information System environment integrating QGIS with a PostgreSQL/PostGIS spatial database. Spatial edge and junction layers stored in the PostgreSQL/Post...

(This article belongs to the Proceedings of The 15th International Scientific Conference TechSys 2026—Engineering, Technologies and Systems)
  • Article
  • Open Access
369 Views
23 Pages

29 August 2026

Networks of permanent GNSS (Global Navigation Satellite System) reference stations generate large volumes of observation and ephemeris files, as well as the position estimates and quality indicators derived from them. These data are still typically s...

(This article belongs to the Special Issue Trustworthy and Data-Driven Intelligent Information Systems)
  • Article
  • Open Access
2 Citations
3,486 Views
16 Pages

An Integrated GIS Methodology to Assess the Impact of Engineering Maintenance Activities: A Case Study of Dredging Projects

  • Pedro Magaña,
  • Miguel Á. Reyes-Merlo,
  • Ángela Tintoré,
  • Carmen Zarzuelo and
  • Miguel Ortega-Sánchez

Engineering infrastructures require regular maintenance and/or repair activities that have important social, environmental, and economic impacts. Despite their growing importance, few studies have focused on fully integrated analyses. This work prese...

(This article belongs to the Special Issue Coastal and Marine Geographic Information Systems)
  • Article
  • Open Access
16 Citations
5,732 Views
11 Pages

Development of a Geospatial Data-Based Methodology for Stormwater Management in Urban Areas Using Freely-Available Software

  • Cristina Allende-Prieto,
  • Beatriz I. Méndez-Fernández,
  • Luis A. Sañudo-Fontaneda and
  • Susanne M. Charlesworth

Intense urbanisation, combined with climate change impacts such as increased rainfall intensity, is overloading conventional drainage systems, increasing the number of combined sewer overflow events and making treatment plants outdated. There is a ne...

  • Article
  • Open Access
3 Citations
2,468 Views
19 Pages

16 August 2025

Historic earthen architecture—particularly rammed earth—is underrepresented in digital heritage initiatives despite its widespread historical use and vulnerability to degradation. This paper presents a novel methodology for integrating se...

(This article belongs to the Section Architectural Heritage)
  • Feature Paper
  • Technical Note
  • Open Access
26 Citations
9,354 Views
19 Pages

HidroMap: A New Tool for Irrigation Monitoring and Management Using Free Satellite Imagery

  • Laura Piedelobo,
  • Damián Ortega-Terol,
  • Susana Del Pozo,
  • David Hernández-López,
  • Rocío Ballesteros,
  • Miguel A. Moreno,
  • José-Luis Molina and
  • Diego González-Aguilera

Proper control and planning of water resource use, especially in those catchments with large surface, climatic variability and intensive irrigation activity, is essential for a sustainable water management. Decision support systems based on useful to...

(This article belongs to the Special Issue Free and Open Source Tools for Geospatial Analysis and Mapping)
  • Article
  • Open Access
31 Citations
6,558 Views
22 Pages

Mobility Data Warehouses

  • Alejandro Vaisman and
  • Esteban Zimányi

The interest in mobility data analysis has grown dramatically with the wide availability of devices that track the position of moving objects. Mobility analysis can be applied, for example, to analyze traffic flows. To support mobility analysis, traj...

(This article belongs to the Special Issue Distributed and Parallel Architectures for Spatial Data)
  • Article
  • Open Access
22 Citations
7,340 Views
27 Pages

An Interactive WebGIS Framework for Coastal Erosion Risk Management

  • Alessandra Capolupo,
  • Cristina Monterisi,
  • Alessandra Saponieri,
  • Fabio Addona,
  • Leonardo Damiani,
  • Renata Archetti and
  • Eufemia Tarantino

The Italian coastline stretches over about 8350 km, with 3600 km of beaches, representing a significant resource for the country. Natural processes and anthropic interventions keep threatening its morphology, moulding its shape and triggering soil er...

(This article belongs to the Special Issue Innovative Strategies for Coastal Risk Monitoring, Modelling and Management)
  • Article
  • Open Access
27 Citations
7,826 Views
24 Pages

Semi-Automatic Operational Service for Drought Monitoring and Forecasting in the Tuscany Region

  • Ramona Magno,
  • Tiziana De Filippis,
  • Edmondo Di Giuseppe,
  • Massimiliano Pasqui,
  • Leandro Rocchi and
  • Bernardo Gozzini

A drought-monitoring and forecasting system developed for the Tuscany region was improved in order to provide a semi-automatic, more detailed, timely and comprehensive operational service for decision making, water authorities, researchers and genera...

(This article belongs to the Special Issue Drought Monitoring and Prediction)
  • Proceeding Paper
  • Open Access
2 Citations
4,654 Views
10 Pages

Using MobilityDB and Grafana for Aviation Trajectory Analysis

  • Adam Broniewski,
  • Mohammad Ismail Tirmizi,
  • Esteban Zimányi and
  • Mahmoud Sakr

10 January 2023

Air traffic management (ATM) requires the handling big data of moving objects, such as flight trajectories. There is, however, a lack of specialized tools for trajectory-data management, where the spatiotemporal data are first class citizens. Instead...

(This article belongs to the Proceedings of The 10th OpenSky Symposium)
  • Case Report
  • Open Access
31 Citations
11,163 Views
18 Pages

Indonesia is an archipelago country in which the tourism sector plays a role as an economic locomotive. In 2016, Indonesia joined the World Halal Tourism Award (WHTA) and won 12 awards, three of which were won by West Sumatra. Bukittinggi is the prin...

  • Article
  • Open Access
9 Citations
6,809 Views
16 Pages

Assessing Riverbank Change Caused by Sand Mining and Waste Disposal Using Web-Based Volunteered Geographic Information

  • Mansour Bayazidy,
  • Mohammad Maleki,
  • Aras Khosravi,
  • Amir Mohammad Shadjou,
  • Junye Wang,
  • Rabee Rustum and
  • Reza Morovati

29 February 2024

River water is one of the most important natural resources for economic development and environmental sustainability. However, river water systems are vulnerable in some of the densely populated regions across the globe. Intense sand mining and waste...

  • Article
  • Open Access
12 Citations
4,656 Views
21 Pages

31 May 2021

Some of the most powerful spatial analysis software solutions (Oracle, Google Earth Engine, PostgreSQL + PostGIS, etc.) are currently performing geometric calculations directly on the ellipsoid (a quadratic surface that models the earth shape), with...

(This article belongs to the Special Issue Applications of Remote Sensing and Geospatial Technologies to Earth Observations)
  • Article
  • Open Access
4 Citations
2,353 Views
19 Pages

Merging Spatio-Temporal Objects and Business Processes: Land Reform Process Case Study

  • Chamseddine Zaki,
  • Christophe Claramunt,
  • Abbass Nasser and
  • Semar Bahmad

15 November 2023

Although significant progress has been achieved in the development of spatio-temporal models that capture real-world phenomena, more interaction between phenomenon-based and business-based modeling approaches is still required. This represents a much...

  • Article
  • Open Access
561 Views
23 Pages

A Decision Support Tool for Evaluating GHG Mitigation Measures in Land Use Sectors

  • Katerina Zeglova,
  • Kristine Bilande,
  • Una Diana Veipane,
  • Irina Pilvere and
  • Aleksejs Nipers

29 April 2026

Sustainable land use policy planning requires integrated approaches that account for environmental and socio-economic trade-offs of greenhouse gas (GHG) mitigation measures. This study presents a spatial decision-support tool developed to support the...

(This article belongs to the Section Land Socio-Economic and Political Issues)
  • Article
  • Open Access
1,055 Views
29 Pages

2 August 2026

To address the difficulty of synergizing multi-source spatial data with geological text and the limited spatial reasoning of large language models (LLMs), this paper proposes an intention-driven hybrid semantic–spatial retrieval–augmented...

(This article belongs to the Topic Big Data and AI for Geoscience)
  • Article
  • Open Access
417 Views
16 Pages

A WebGIS-Based Platform for Sharing Earthquake Surface Rupture Data in Mainland China

  • Wei Lu,
  • Pan Zhang,
  • Huaguo Liu,
  • Feng Li,
  • Yiqiu Yan,
  • Xingwei Man,
  • Yuan Wang and
  • Changlong Li

21 July 2026

Earthquake surface ruptures provide critical geological evidence for identifying seismogenic structures, reconstructing rupture processes of strong earthquakes, and assessing seismic hazards associated with active faults. The Mainland China Surface R...

  • Article
  • Open Access
19 Citations
7,159 Views
15 Pages

Development of GIS for Buildings in the Customary Village of Minangkabau Koto Gadang, West Sumatra, Indonesia

  • Surya Afnarius,
  • Masril Syukur,
  • Eri Gas Ekaputra,
  • Yolanda Parawita and
  • Ridho Darman

Indonesia aims to strengthen its local regions and villages. This has led to the encouragement of smart village development through several forms of assistance, including Information Technology (IT) services from the government. Koto Gadang, one of t...

  • Article
  • Open Access
10 Citations
7,109 Views
31 Pages

Suitability of Graph Database Technology for the Analysis of Spatio-Temporal Data

  • Sedick Baker Effendi,
  • Brink van der Merwe and
  • Wolf-Tilo Balke

Every day large quantities of spatio-temporal data are captured, whether by Web-based companies for social data mining or by other industries for a variety of applications ranging from disaster relief to marine data analysis. Making sense of all this...

(This article belongs to the Section Techno-Social Smart Systems)
  • Article
  • Open Access
106 Citations
7,252 Views
15 Pages

Open Polar Server (OPS)—An Open Source Infrastructure for the Cryosphere Community

  • Weibo Liu,
  • Kyle Purdon,
  • Trey Stafford,
  • John Paden and
  • Xingong Li

The Center for Remote Sensing of Ice Sheets (CReSIS) at the University of Kansas has collected approximately 1000 terabytes (TB) of radar depth sounding data over the Arctic and Antarctic ice sheets since 1993 in an effort to map the thickness of the...

(This article belongs to the Special Issue Research Data Management)
  • Article
  • Open Access
620 Views
20 Pages

Territorial Analysis Based on Data from the Distribution of Taxpayers in Ecuador: A Data Science Approach Using Open Data from the Tax Registry

  • Orlando Mauricio Chuquin-Machangara,
  • Alex Joel Ajila-Masache,
  • Gabriela Abigail Villalta-Jimbo,
  • Mario Perez and
  • Renato M. Toasa

Open fiscal data in Ecuador remains largely unexplored beyond basic descriptive reporting, despite its potential for territorial intelligence and fiscal planning. This study examines how taxpayers are distributed across Ecuador’s provinces and...

(This article belongs to the Special Issue Advanced Software and Machine Learning Techniques for System Architectures and Big Data)
  • Article
  • Open Access
21 Citations
6,519 Views
21 Pages

Population Disaggregation on the Building Level Based on Outdated Census Data

  • Elias Pajares,
  • Rafael Muñoz Nieto,
  • Liqiu Meng and
  • Gebhard Wulfhorst

A wide range of disciplines require population data with high spatial resolution. In particular, accessibility instruments for active mobility need data on the building access level. Data availability varies by context. Spatially detailed national ce...