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37 Results Found

  • Article
  • Open Access
560 Views
22 Pages

Open data platforms (ODPs) are emerging as strategic infrastructures for smart port development within the European Union, yet there is limited research offering integrated approaches to evaluate their performance across technical, operational, and r...

(This article belongs to the Section Ocean Engineering)
  • Article
  • Open Access
6 Citations
3,244 Views
25 Pages

Join Operation for Semantic Data Enrichment of Asynchronous Time Series Data

  • Eloi Garcia,
  • Mohammad Peyman,
  • Carles Serrat and
  • Fatos Xhafa

1 April 2023

In this paper, we present a novel framework for enriching time series data in smart cities by supplementing it with information from external sources via semantic data enrichment. Our methodology effectively merges multiple data sources into a unifor...

(This article belongs to the Special Issue Application of Machine Learning and Optimization Methods in Engineering Mathematics)
  • Article
  • Open Access
419 Views
40 Pages

11 August 2026

This study presents a comparative analysis of urban land-use sustainability in Barcelona and Izmir using a four-tier Decision Support Framework (DSF) supported by automated Google Earth Engine workflows. The framework integrates open satellite data,...

(This article belongs to the Special Issue Strategic Planning for Urban Sustainability (Second Edition))
  • Article
  • Open Access
6 Citations
4,915 Views
19 Pages

20 July 2024

In recent years, numerous cities around the world have adopted bike sharing systems (BSSs). The increasing popularity of these transportation means is directly related to their eco-friendly and health advantages. Several factors affect how citizens m...

  • Article
  • Open Access
10 Citations
3,096 Views
16 Pages

Enhancing Reliability in Wind Turbine Power Curve Estimation

  • Pere Marti-Puig,
  • Jose Ángel Hernández,
  • Jordi Solé-Casals and
  • Moises Serra-Serra

15 March 2024

Accurate power curve modeling is essential to continuously evaluate the performance of a wind turbine (WT). In this work, we characterize the wind power curves using SCADA data acquired at a frequency of 5 min in a wind farm (WF) consisting of five W...

(This article belongs to the Special Issue Industrial AI: Applications in Fault Detection, Diagnosis, and Prognosis)
  • Article
  • Open Access
22 Citations
11,137 Views
20 Pages

Analyzing Key Performance Indicators for Mobility Logistics in Smart and Sustainable Cities: A Case Study Centered on Barcelona

  • Raquel Soriano-Gonzalez,
  • Elena Perez-Bernabeu,
  • Yusef Ahsini,
  • Patricia Carracedo and ,
  • Andres Camacho and
  • Angel A. Juan
  • + 1 author+ 0 author

16 October 2023

Background: This article identifies and examines key performance indicators (KPIs) related to citizen mobility logistics in smart and sustainable urban areas. It begins with a comprehensive literature review to identify essential KPIs, offering valua...

(This article belongs to the Topic Sustainable Transport Systems and New Mobility Services: Challenges and Solutions, 2nd Volume)
  • Article
  • Open Access
18 Citations
3,929 Views
24 Pages

10 December 2021

This article presents the methodology and results of a pioneering investigation in the determination and mapping of socio-residential vulnerability in the city of Barcelona according to a multi-criteria synthetic analysis. The methodology followed is...

(This article belongs to the Special Issue Multi-Criteria Analysis to Support Sustainable Decision-Making in the Built Environment)
  • Article
  • Open Access
570 Views
26 Pages

Geography over Income: The Electric Divide and the Sustainability of Barcelona’s Bicing System

  • Alexandra Cortez-Ordoñez,
  • Adriana G. Herrera-Mosquera and
  • Ana Belén Tulcanaza-Prieto

26 June 2026

Bike-sharing systems (BSS) are a key component of sustainable urban mobility. However, their performance is strongly influenced by urban topography and socio-economic conditions. This study analyzes Barcelona’s public BSS, Bicing, to examine ho...

  • Feature Paper
  • Article
  • Open Access
8 Citations
2,986 Views
19 Pages

Exploring the Effect of Temporal Aggregation on SCADA Data for Wind Turbine Prognosis Using a Normality Model

  • Pere Marti-Puig,
  • Alejandro Bennásar-Sevillá,
  • Alejandro Blanco-M. and
  • Jordi Solé-Casals

11 July 2021

Today, the use of SCADA data for predictive maintenance and forecasting of wind turbines in wind farms is gaining popularity due to the low cost of this solution compared to others that require the installation of additional equipment. SCADA data pro...

(This article belongs to the Special Issue Boosting Wind Power Integration)
  • Article
  • Open Access
2 Citations
3,162 Views
15 Pages

Reprogramming Heritage: An Approach for the Automatization in the Adaptative Reuse of Buildings

  • Marta Domènech-Rodríguez,
  • David López López,
  • Sergi Nadal,
  • Anna Queralt and
  • Còssima Cornadó

2 November 2024

This article introduces a methodology for a novel data-driven computational model aimed at aiding public administrations in managing and evaluating the adaptative reuse of buildings while tackling ecological and digital challenges. Drawing from the 2...

(This article belongs to the Special Issue Conservation of Architectural Heritage. New Urban Perspectives: Conceptual, Methodological, Technical and Management Advances)
  • Article
  • Open Access
45 Citations
6,714 Views
13 Pages

28 January 2022

Fires are usually seen as a threat for biodiversity conservation in the Mediterranean, but natural afforestation after abandonment of traditional land uses is leading to the disappearance of open spaces that benefit many species of conservation inter...

(This article belongs to the Special Issue Mammal Status: Diversity, Abundance and Dynamics)
  • Article
  • Open Access
8 Citations
6,920 Views
22 Pages

Extracting Urban Land Use from Linked Open Geospatial Data

  • Gloria Re Calegari,
  • Emanuela Carlino,
  • Diego Peroni and
  • Irene Celino

20 October 2015

The ever-increasing availability of linked open geospatial data provides an unprecedented source of geo-information to describe urban environments. This wealth of data should be turned into actionable knowledge: for example, open data could be used a...

(This article belongs to the Special Issue Geo-Information Fostering Innovative Solutions for Smart Cities)
  • Article
  • Open Access
47 Citations
10,063 Views
27 Pages

30 January 2019

A highly debatable issue is whether or not a paradigm shift toward the sharing economy could help to address the economic, social and environmental challenges of our time. This article contributes to the academic discussion by exploring the types of...

(This article belongs to the Special Issue Sharing Economy for Sustainability)
  • Article
  • Open Access
1,080 Views
20 Pages

7 August 2026

Urban greening is a cornerstone of climate adaptation strategies, yet its long-term sustainability under changing vegetation dynamics remains poorly understood. This study analyzes 40 years of Landsat data (1984–2024) using normalized differenc...

(This article belongs to the Special Issue Remote Sensing of Climate Change Influences on Urban Ecology)
  • Article
  • Open Access
31 Citations
8,102 Views
22 Pages

10 March 2023

Neuronal cultures are one of the most important experimental models in modern interdisciplinary neuroscience, allowing to investigate in a control environment the emergence of complex behavior from an ensemble of interconnected neurons. Here, I revie...

(This article belongs to the Special Issue State-of-the-Art Biophysics in Spain)
  • Article
  • Open Access
22 Citations
6,773 Views
25 Pages

Optimization of Vehicular Networks in Smart Cities: From Agile Optimization to Learnheuristics and Simheuristics

  • Mohammad Peyman,
  • Tristan Fluechter,
  • Javier Panadero,
  • Carles Serrat and ,
  • Fatos Xhafa and
  • Angel A. Juan
  • + 1 author+ 0 author

2 January 2023

Vehicular ad hoc networks (VANETs) are a fundamental component of intelligent transportation systems in smart cities. With the support of open and real-time data, these networks of inter-connected vehicles constitute an ‘Internet of vehicles&rs...

(This article belongs to the Special Issue Recent Advances in Next Generation Wireless Sensor and Mesh Networks)
  • Article
  • Open Access
32 Citations
5,753 Views
15 Pages

Exploratory Analysis of SCADA Data from Wind Turbines Using the K-Means Clustering Algorithm for Predictive Maintenance Purposes

  • Pablo Cosa Rodriguez,
  • Pere Marti-Puig,
  • Cesar F. Caiafa,
  • Moisès Serra-Serra and ,
  • Jordi Cusidó and
  • Jordi Solé-Casals
  • + 1 author+ 0 author

10 February 2023

Product maintenance costs throughout the product’s lifetime can account for between 30–60% of total operating costs, making it necessary to implement maintenance strategies. This problem not only affects the economy but is also related to...

(This article belongs to the Section Machines Testing and Maintenance)
  • Article
  • Open Access
8 Citations
3,161 Views
21 Pages

Detection of Wind Turbine Failures through Cross-Information between Neighbouring Turbines

  • Pere Marti-Puig,
  • Jordi Cusidó,
  • Francisco J. Lozano,
  • Moises Serra-Serra and ,
  • Cesar F. Caiafa and
  • Jordi Solé-Casals
  • + 1 author+ 0 author

22 September 2022

In this paper, the time variation of signals from several SCADA systems of geographically closed turbines are analysed and compared. When operating correctly, they show a clear pattern of joint variation. However, the presence of a failure in one of...

(This article belongs to the Collection Wind Energy: Current Challenges and Future Perspectives)
  • Article
  • Open Access
10 Citations
5,836 Views
16 Pages

7 February 2021

Despite the efforts devoted to open government, transparency is mainly considered an issue for public organizations. However, various tasks such as public services delivery and management are being increasingly privatized or outsourced to public-priv...

(This article belongs to the Special Issue Innovating in the Management and Transparency of the Sustainability of Governments to Achieve the Objectives of Sustainable Development)
  • Article
  • Open Access
18 Citations
4,705 Views
26 Pages

28 July 2021

Mobility in cities is a fundamental asset and opens several problems in decision making and the creation of new services for citizens. In the last years, transportation sharing systems have been continuously growing. Among these, bike sharing systems...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
10 Citations
8,380 Views
18 Pages

Predictive Analyses of Traffic Level in the City of Barcelona: From ARIMA to eXtreme Gradient Boosting

  • Eloi Garcia,
  • Laura Calvet,
  • Patricia Carracedo,
  • Carles Serrat and ,
  • Pau Miró and
  • Mohammad Peyman
  • + 1 author+ 0 author

23 May 2024

This study delves into the intricate dynamics of urban mobility, a pivotal aspect for policymakers, businesses, and communities alike. By deciphering patterns of movement within a city, stakeholders can craft targeted interventions to mitigate traffi...

(This article belongs to the Special Issue Applications of Artificial Intelligence in Transportation Engineering)
  • Article
  • Open Access
2 Citations
3,305 Views
15 Pages

The Construction of Identities in the Pre-Service Training of Social Sciences Teachers

  • Noelia Pérez-Rodríguez,
  • Antoni Santisteban,
  • Nicolás De-Alba-Fernández and
  • Elisa Navarro-Medina

2 October 2022

We live in a global society in which conflicts arise from the non-acceptance of existing diversity. To achieve more inclusive and fair societies, it is necessary that education and, specifically, Social Sciences, attend to the development of identiti...

(This article belongs to the Special Issue Language, Identity and Conflict: A Cultural Perspective from Above and from Below)
  • Article
  • Open Access
5 Citations
10,553 Views
15 Pages

Human Geomatics in Urban Design—Two Case Studies

  • Małgorzata Hanzl,
  • Karol Dzik,
  • Paulina Kowalczyk,
  • Krystian Kwieciński and ,
  • Ewa Stankiewicz and
  • Agata Ł. Wierzbicka
  • + 1 author+ 0 author

22 March 2012

The mapping of different aspects of urban phenomena and their relation to the physical cityscape has been greatly extended by the use of geomatics. The tradition to base reasoning on ‘understanding the world’ dates from the time of Aristotle. The ext...

(This article belongs to the Special Issue NeoGeography and WikiPlanning)
  • Article
  • Open Access
6 Citations
4,424 Views
17 Pages

Methodological Proposal for Automated Detection of the Wildland–Urban Interface: Application to the Metropolitan Regions of Madrid and Barcelona

  • Andrea Zambrano-Ballesteros,
  • Sabina Florina Nanu,
  • José Tomás Navarro-Carrión and
  • Alfredo Ramón-Morte

Official information on Land Use Land Cover is essential for mapping wildland–urban interface (WUI) zones. However, these resources do not always provide the geometrical or thematic accuracy required to delimit buildings that are easily exposed to ri...

(This article belongs to the Special Issue Advancements in Remote Sensing Derived Point Cloud Processing)
  • Article
  • Open Access
10 Citations
3,813 Views
22 Pages

In our contemporary cities, infrastructures face a diverse range of risks, including those caused by climatic events. The availability of monitoring technologies such as remote sensing has opened up new possibilities to address or mitigate these risk...

  • Article
  • Open Access
6 Citations
4,771 Views
18 Pages

Structured, Harmonized, and Interoperable Integration of Clinical Routine Data to Compute Heart Failure Risk Scores

  • Kim K. Sommer,
  • Ali Amr,
  • Udo Bavendiek,
  • Felix Beierle and ,
  • Peter Brunecker,
  • Henning Dathe,
  • Jürgen Eils,
  • Maximilian Ertl,
  • Georg Fette and
  • Christoph Dieterich
  • + 23 authors+ 18 authors

18 May 2022

Risk prediction in patients with heart failure (HF) is essential to improve the tailoring of preventive, diagnostic, and therapeutic strategies for the individual patient, and effectively use health care resources. Risk scores derived from controlled...

(This article belongs to the Special Issue Computational Analysis of Biomedical Data)
  • Article
  • Open Access
28 Citations
4,598 Views
17 Pages

ADAfinder Tool Applied to EGMS Data for the Structural Health Monitoring of Urban Settlements

  • Annalisa Mele,
  • Michele Crosetto,
  • Andrea Miano and
  • Andrea Prota

5 January 2023

The new European Ground Motion Service (EGMS) opens a new prospect in the study of the ground deformation phenomena influencing structures and infrastructures, at regional scale, exploiting the huge archives of Synthetic Aperture Radar (SAR) images a...

(This article belongs to the Section AI Remote Sensing)
  • Article
  • Open Access
9 Citations
3,203 Views
19 Pages

Advanced Noise Indicator Mapping Relying on a City Microphone Network

  • Timothy Van Renterghem,
  • Valentin Le Bescond,
  • Luc Dekoninck and
  • Dick Botteldooren

24 June 2023

In this work, a methodology is presented for city-wide road traffic noise indicator mapping. The need for direct access to traffic data is bypassed by relying on street categorization and a city microphone network. The starting point for the determin...

(This article belongs to the Special Issue Acoustic Sensing and Monitoring in Urban and Natural Environments)
  • Article
  • Open Access
9 Citations
4,888 Views
21 Pages

Can We Use Satellite-Based Soil-Moisture Products at High Resolution to Investigate Land-Use Differences and Land–Atmosphere Interactions? A Case Study in the Savanna

  • Carlos Román-Cascón,
  • Marie Lothon,
  • Fabienne Lohou,
  • Nitu Ojha and ,
  • Olivier Merlin,
  • David Aragonés,
  • María P. González-Dugo,
  • Ana Andreu,
  • Thierry Pellarin and
  • Carlos Yagüe
  • + 9 authors+ 4 authors

26 May 2020

The use of soil moisture (SM) measurements from satellites has grown in recent years, fostering the development of new products at high resolution. This opens the possibility of using them for certain applications that were normally carried out using...

(This article belongs to the Special Issue New Outstanding Results over Land from the SMOS Mission)
  • Article
  • Open Access
248 Views
30 Pages

ML-Based Framework for Urban Thermal Comfort Measurement and Climate Adaptation: Case Study of Barcelona

  • Vittoria Cipollone,
  • Serena Serroni,
  • Nicolas Cecconi,
  • Edoardo Federici and ,
  • Nicole Morresi,
  • Gerard Mor and
  • Gian Marco Revel
  • + 2 authors+ 0 author

16 October 2026

Urban heat exposure is one of the most critical and rapidly intensifying impacts of climate change in metropolitan areas. Reliable measurement of outdoor thermal comfort is therefore essential not only for long-term climate-adaptation planning but al...

(This article belongs to the Section Electronic Sensors)
  • Article
  • Open Access
303 Views
64 Pages

Analysis of Potentially Efficient, Near-Term Realisable and Future Routes for High-Speed Overnight Trains

  • Martha Lücker,
  • Philipp Kellner,
  • Thomas Sauter-Servaes and
  • Bernhard Rüger

3 October 2026

Aviation within Europe has fully recovered from the COVID-19 disruption and continues to grow, making low-emission alternatives to short- and medium-haul flights an urgent policy concern. This study assesses whether a share of intra-European air trav...

(This article belongs to the Section Sustainable Transportation)
  • Article
  • Open Access
2 Citations
2,920 Views
17 Pages

High Performance Computing PP-Distance Algorithms to Generate X-ray Spectra from 3D Models

  • César González,
  • Simone Balocco,
  • Jaume Bosch,
  • Juan Miguel de Haro and ,
  • Maurizio Paolini,
  • Antonio Filgueras,
  • Carlos Álvarez and
  • Ramon Pons
  • + 3 authors+ 0 author

27 September 2022

X-ray crystallography is a powerful method that has significantly contributed to our understanding of the biological function of proteins and other molecules. This method relies on the production of crystals that, however, are usually a bottleneck in...

(This article belongs to the Section Molecular Biophysics)
  • Article
  • Open Access
392 Views
25 Pages

28 August 2026

Building-use information underpins urban building energy modeling, disaster risk assessment, and evidence-based planning, yet semantic labels are missing for most buildings in open databases; the most widely available proxies are OpenStreetMap (OSM)...

(This article belongs to the Special Issue Towards Innovative Approaches in Urban Science and Architectural Research Using Artificial Intelligence)
  • Article
  • Open Access
30 Citations
12,508 Views
24 Pages

Detection of Parking Cars in Stereo Satellite Images

  • Sebastian Zambanini,
  • Ana-Maria Loghin,
  • Norbert Pfeifer,
  • Elena Màrmol Soley and
  • Robert Sablatnig

7 July 2020

In this paper, we present a Remote Sens. approach to localize parking cars in a city in order to enable the development of parking space availability models. We propose to use high-resolution stereo satellite images for this problem, as they provide...

(This article belongs to the Special Issue Satellite Image Processing and Applications)
  • Article
  • Open Access
1 Citations
3,434 Views
27 Pages

P-Tracker: Design and Development of a Low-Cost PM2.5 Monitor for Citizen Measurements of Air Pollution

  • Marks Jalisevs,
  • Hamza Qadeer,
  • David O’Connor,
  • Mingming Liu and
  • Shirley M. Coyle

11 October 2025

Particulate matter (PM2.5) is a critical indicator of air quality and has significant health implications. This study presents the development and evaluation of a custom-built PM2.5 device, named the P-Tracker, designed to offer an accessible alterna...

  • Article
  • Open Access
1 Citations
2,215 Views
13 Pages

24 September 2024

The goal of the present study was to evaluate the potential stress developed in farm hybrid pigs and miniature laboratory pigs briefly restrained in a sling, by measuring salivary cortisol levels. The study was performed in 20 healthy pigs grouped in...

(This article belongs to the Section Animal Welfare)
  • Article
  • Open Access
6 Citations
4,295 Views
31 Pages

Salinity Fronts in the South Atlantic

  • Igor M. Belkin and
  • Xin-Tang Shen

29 April 2024

Monthly climatology data for salinity fronts in the South Atlantic have been created from satellite SMOS sea surface salinity (SSS) measurements taken from 2011–2019, processed at the Barcelona Expert Center of Remote Sensing (BEC), and provide...

(This article belongs to the Special Issue Advances in Remote Sensing of Ocean Salinity)