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19,416 Results Found

  • Article
  • Open Access
8 Citations
3,897 Views
39 Pages

Standards for Data Space Building Blocks

  • Francesca Noardo,
  • Rob Atkinson,
  • Lucy Bastin,
  • Joan Maso,
  • Ingo Simonis,
  • Alejandro Villar,
  • Marie-Françoise Voidrot and
  • Piotr Zaborowski

14 October 2024

Data spaces are conceptualised as a trusted and secure distributed data ecosystem through which to exchange resources in the Web. Several efforts define guidance toward data space implementation, such as reference architectures and frameworks. As yet...

  • Article
  • Open Access
10 Citations
2,742 Views
12 Pages

12 May 2020

Within the Pattern Recognition field, two representations are generally considered for encoding the data: statistical codifications, which describe elements as feature vectors, and structural representations, which encode elements as high-level symbo...

  • Article
  • Open Access
25 Citations
7,495 Views
16 Pages

With large-scale urban demolition, the spatial pattern of the urban area in many cities has been destroyed, leading to the loss of urban regional identity; therefore, these urban spaces need to be urgently studied and protected. Previous studies on t...

  • Article
  • Open Access
753 Views
23 Pages

Data Secure Storage Mechanism for Trustworthy Data Space

  • Xinyi Yang,
  • Qicheng Luo,
  • Jiang Xu and
  • Qinghong Cao

6 November 2025

In today’s rapidly evolving data environment, secure and efficient storage solutions are fundamental to supporting the robust development of the data economy. Trustworthy data space serves as an innovative technological framework for addressing...

  • Article
  • Open Access
7 Citations
4,414 Views
22 Pages

Space Habitat Data Centers—For Future Computing

  • Ayodele Periola,
  • Akintunde Alonge and
  • Kingsley Ogudo

10 September 2020

Data from sensor-bearing satellites requires processing aboard terrestrial data centres that use water for cooling at the expense of high data-transfer latency. The reliance of terrestrial data centres on water increases their water footprint and lim...

  • Article
  • Open Access
3 Citations
7,206 Views
31 Pages

Defining the Balearic Islands’ Tourism Data Space: An Approach to Functional and Data Requirements

  • Dolores Ordóñez-Martínez,
  • Joana M. Seguí-Pons and
  • Maurici Ruiz-Pérez

29 February 2024

The definition of a tourism data space (TDS) in the Balearic Islands is a complex process that involves identifying the types of questions to be addressed, including analytical tools, and determining the type of information to be incorporated. This s...

  • Technical Note
  • Open Access
2,024 Views
14 Pages

New Space Object Cataloguing through Very-Short-Arc Data Mining

  • Lei Liu,
  • Bin Li,
  • Jizhang Sang,
  • Shengfu Xia and
  • Xiangxu Lei

7 October 2023

The space surveillance network collects significant quantities of space object monitoring data on a daily basis, which varies in duration and contain observation errors. Cataloguing space objects based on these data may result in a large number of ve...

  • Article
  • Open Access
1 Citations
1,092 Views
30 Pages

8 August 2025

The manufacturing supply chain has been exposed to natural disasters and geopolitical risks whose impacts, such as disruptions in the supply of materials and parts, can be devastating. In recent years, the data space has become more widely implemente...

  • Perspective
  • Open Access
40 Citations
8,498 Views
14 Pages

European Health Data Space—An Opportunity Now to Grasp the Future of Data-Driven Healthcare

  • Denis Horgan,
  • Marian Hajduch,
  • Marilena Vrana,
  • Jeannette Soderberg,
  • Nigel Hughes,
  • Muhammad Imran Omar,
  • Jonathan A. Lal,
  • Marta Kozaric,
  • Fidelia Cascini and
  • Verena Thaler
  • + 4 authors

26 August 2022

The May 2022 proposal from the European commission for a ‘European health data space’ envisages advantages for health from exploiting the growing mass of health data in Europe. However, key stakeholders have identified aspects that demand...

  • Article
  • Open Access
223 Views
24 Pages

The Health Data Space (HDS) is a promising platform for the secure health data sharing among entities including patients and healthcare providers. However, health data is highly sensitive and critical for diagnosis, and unauthorized access or destruc...

  • Article
  • Open Access
59 Citations
13,256 Views
28 Pages

Populating the Data Space for Cultural Heritage with Heritage Digital Twins

  • Franco Niccolucci,
  • Achille Felicetti and
  • Sorin Hermon

29 July 2022

The present paper concerns the design of the semantic infrastructure of the data space for cultural heritage as envisaged by the European Commission in its recent documents. Due to the complexity of the cultural heritage data and of their intrinsic i...

  • Article
  • Open Access
6 Citations
3,536 Views
23 Pages

Improving Deep Learning for Maritime Remote Sensing through Data Augmentation and Latent Space

  • Daniel Sobien,
  • Erik Higgins,
  • Justin Krometis,
  • Justin Kauffman and
  • Laura Freeman

Training deep learning models requires having the right data for the problem and understanding both your data and the models’ performance on that data. Training deep learning models is difficult when data are limited, so in this paper, we seek...

  • Article
  • Open Access
7 Citations
1,760 Views
19 Pages

Solution Space Management to Enable Data Farming in Strategic Network Design

  • Sebastian Kroeger,
  • Marc Wegmann,
  • Christoph Soellner and
  • Michael F. Zaeh

26 July 2023

During strategic network design, not only strategic but also operational decisions must be made long before a production network is put into operation. These include determining the location and size of inventories within the production network and s...

  • Article
  • Open Access
3 Citations
2,893 Views
37 Pages

23 June 2025

As urbanization has accelerated, rail transit has evolved from being a mere means of transportation to a public area that houses the city’s cultural memory and serves as a crucial portal for the public to understand the culture of the city. As...

  • Article
  • Open Access
28 Citations
5,316 Views
21 Pages

Urban green space has been proven effective in improving public health in the contemporary background of planetary urbanization. There is a growing body of literature investigating the relationship between non-communicable diseases (NCDs) and green s...

  • Feature Paper
  • Article
  • Open Access
10 Citations
2,942 Views
24 Pages

Three-Dimensional Magnetotelluric Inversion for Triaxial Anisotropic Medium in Data Space

  • Jingtao Xie,
  • Hongzhu Cai,
  • Xiangyun Hu,
  • Shixin Han and
  • Minghong Liu

8 June 2022

The interpretation of three-dimensional (3-D) magnetotelluric (MT) data is usually based on the isotropic assumption of the subsurface structures, and this assumption could lead to erroneous interpretation in the area with considerable electrical ani...

  • Article
  • Open Access
6 Citations
3,354 Views
25 Pages

Towards Efficient Data Collection in Space-Based Internet of Things

  • Changjiang Fei,
  • Baokang Zhao,
  • Wanrong Yu and
  • Chunqing Wu

13 December 2019

Due to the strong anti-destructive ability, global coverage, and independent infrastructure of the space-based Internet of Things (S-IoT), it is one of the most important ways to achieve a real interconnection of all things. In S-IoT, a single satell...

  • Article
  • Open Access
3,491 Views
12 Pages

The current paper uses data envelopment analysis (DEA) to benchmark the leadership efficiency of civil engineers based on the leadership flexibility space diagram. Since the traditional DEA model does not fit for this problem, a simple modification h...

  • Article
  • Open Access
6 Citations
3,175 Views
17 Pages

With the increasing availability of large volumes of space–time house data, delineating space–time housing submarkets is of interest to real estate agents, homebuyers, urban policymakers, and spatial researchers, among others. Appropriate...

  • Article
  • Open Access
3 Citations
3,803 Views
21 Pages

2 July 2021

Most large space debris has large residual angular momentum, and the de-tumbling and capturing operation can easily cause instability and failure of tracking satellites. Therefore, it is necessary to perform real-time dynamic parameter identification...

  • Article
  • Open Access
39 Citations
6,873 Views
32 Pages

A New Data-Enabled Intelligence Framework for Evaluating Urban Space Perception

  • Haohao Ji,
  • Linbo Qing,
  • Longmei Han,
  • Zhengyong Wang,
  • Yongqiang Cheng and
  • Yonghong Peng

The urban environment has a great impact on the wellbeing of citizens and it is of great significance to understand how citizens perceive and evaluate places in a large scale urban region and to provide scientific evidence to support human-centered u...

  • Article
  • Open Access
11 Citations
4,800 Views
22 Pages

Because requirements for establishing spatial data for location-based services (LBS) have increased in demand together with an increase in the number of complex structures, especially in urban areas, research has revisited the limitations of data mod...

  • Article
  • Open Access
1 Citations
2,213 Views
15 Pages

Methods for Developing a Process Design Space Using Retrospective Data

  • Miquel Romero-Obon,
  • Pilar Pérez-Lozano,
  • Khadija Rouaz-El-Hajoui,
  • Marc Suñé-Pou,
  • Anna Nardi-Ricart,
  • Josep M. Suñé-Negre and
  • Encarna García-Montoya

Prospectively planned designs of experiments (DoEs) offer a valuable approach to preventing collinearity issues that can result in statistical confusion, leading to misinterpretation and reducing the predictability of statistical models. However, it...

  • Article
  • Open Access
18 Citations
4,237 Views
11 Pages

Assessing Green Space Potential Accessibility through Urban Artificial Building Data in Nanjing, China

  • Xindong Du,
  • Xiaoke Zhang,
  • Huan Wang,
  • Xiaojuan Zhi and
  • Jianyuan Huang

27 November 2020

Green spaces play an important role in improving the health and quality of life of urban residents, and environmental justice has become one of the most debated topics for scholars and governments in China. The accessibility of green space has been r...

  • Article
  • Open Access
2 Citations
1,200 Views
35 Pages

27 November 2024

In the field of industrial big data, the key issue in discovering data value lies not in overcoming the bottlenecks formed by analysis methods and data mining algorithms but in the difficulty of providing data element resources that meet business ana...

  • Article
  • Open Access
760 Views
13 Pages

Space-Time Varying Coefficient Model on Longitudinal Data of the Dengue Fever in Bandung City

  • Bertho Tantular,
  • Budi Nurani Ruchjana,
  • Yudhie Andriyana and
  • Anneleen Verhasselt

17 June 2025

Research on the spread of dengue fever is typically measured periodically, producing longitudinally structured data. The varying coefficient model for longitudinal data allows the coefficient to vary as a smooth function of time. The data in this stu...

  • Article
  • Open Access
4 Citations
2,701 Views
14 Pages

3 April 2023

Cluster validity indices (CVIs) for evaluating the result of the optimal number of clusters are critical measures in clustering problems. Most CVIs are designed for typical data-type objects called certain data objects. Certain data objects only have...

  • Article
  • Open Access
1,397 Views
43 Pages

Predictive uncertainty analysis focuses on defensible variability in model projected values after estimation of the posterior parameter distribution. Inverse-style parameter estimation selects posterior parameters through history matching where param...

  • Article
  • Open Access
30 Citations
5,221 Views
18 Pages

Residents’ activity space reflects multiple aspects of human life related to space, time, and type of activity. How to measure the activity space at multiple geographic scales remains a problem to be solved. Recently, the emergence of big data...

  • Article
  • Open Access
4 Citations
3,947 Views
13 Pages

Exploration of Axial Fan Design Space with Data-Driven Approach

  • Gino Angelini,
  • Alessandro Corsini,
  • Giovanni Delibra and
  • Lorenzo Tieghi

Since the 1960s, turbomachinery design has mainly been based on similarity theory and empirical correlations derived from experimental data and manufacturing experience. Over the years, this knowledge was consolidated and summarized by parameters suc...

  • Review
  • Open Access
49 Citations
8,821 Views
18 Pages

From Mirrors to Free-Space Optical Communication—Historical Aspects in Data Transmission

  • Magdalena Garlinska,
  • Agnieszka Pregowska,
  • Karol Masztalerz and
  • Magdalena Osial

22 October 2020

Fast communication is of high importance. Recently, increased data demand and crowded radio frequency spectrum have become crucial issues. Free-Space Optical Communication (FSOC) has diametrically changed the way people exchange information. As an al...

  • Feature Paper
  • Article
  • Open Access
6 Citations
4,574 Views
15 Pages

This research presents a pilot study to develop and compare methods of geographic imputation for estimating the location of missing activity space data collected using geographic ecological momentary assessment (GEMA). As a demonstration, we use data...

  • Article
  • Open Access
6 Citations
3,321 Views
19 Pages

With the gradual emergence of the separation and dislocation of urban jobs-housing space, rational planning of urban jobs-housing space has become the core issue of national land-spatial planning. To study the existing relationship between workspaces...

  • Review
  • Open Access
5 Citations
3,973 Views
21 Pages

1 October 2024

According to the European Data Strategy established in 2020, the European Open Science Cloud (EOSC) is described as “the basis for a science, research and innovation data space… and will be connected and articulated with the sectoral dat...

  • Article
  • Open Access
10 Citations
3,030 Views
15 Pages

2 June 2023

Park green spaces serve as essential urban public recreation spaces and represent significant components of urban construction land. Investigating the quality of park green spaces is a vital requirement for the establishment of a high-quality urban l...

  • Article
  • Open Access
75 Citations
8,850 Views
18 Pages

Industrial Data Space Architecture Implementation Using FIWARE

  • Álvaro Alonso,
  • Alejandro Pozo,
  • José Manuel Cantera,
  • Francisco De la Vega and
  • Juan José Hierro

11 July 2018

We are in front of a new digital revolution that will transform the way we understand and use services and infrastructures. One of the key factors of this revolution is related to the evolution of the Internet of Things (IoT). Connected sensors will...

  • Article
  • Open Access
1 Citations
993 Views
26 Pages

Evaluating Territorial Space Use Efficiency: A Geographic Data Envelopment Model Considering Geospatial Effects

  • Minrui Zheng,
  • Yin Ma,
  • Xinqi Zheng,
  • Xvlu Wang,
  • Li Li,
  • Feng Xu,
  • Xiaoyuan Zhang,
  • Fuping Gan,
  • Jianchao Wang and
  • Zhengkun Zhu

17 March 2025

Accurately evaluating territorial space use efficiency is a prerequisite for promoting the realization of high-quality development. Existing efficiency evaluation models all treat decision making units (DMUs) as independent individuals, ignoring geos...

  • Article
  • Open Access
21 Citations
6,611 Views
30 Pages

30 September 2015

Detection of damages caused by natural disasters is a delicate and difficult task due to the time constraints imposed by emergency situations. Therefore, an automatic Change Detection (CD) algorithm, with less user interaction, is always very interes...

  • Article
  • Open Access
652 Views
14 Pages

8 April 2025

Currently, multi-target survey telescope arrays play an important role in the build-up and maintenance of space object catalog databases, collecting massive observational data without attributing information. However, the matching process of massive...

  • Article
  • Open Access
1 Citations
1,194 Views
19 Pages

Enhancing Long-Term Robustness of Inter-Space Laser Links in Space Gravitational Wave Detection: An Adaptive Weight Optimization Method for Multi-Attitude Sensors Data Fusion

  • Zhao Cui,
  • Xue Wang,
  • Jinke Yang,
  • Haoqi Shi,
  • Bo Liang,
  • Xingguang Qian,
  • Zongjin Ye,
  • Jianjun Jia,
  • Yikun Wang and
  • Jianyu Wang

8 November 2024

The stable and high-precision acquisition of attitude data is crucial for sustaining the long-term robustness of laser links to detect gravitational waves in space. We introduce an effective method that utilizes an adaptive weight optimization approa...

  • Article
  • Open Access
7 Citations
5,096 Views
29 Pages

Toward Establishing a Tourism Data Space: Innovative Geo-Dashboard Development for Tourism Research and Management

  • Dolores Ordóñez-Martínez,
  • Joana Maria Seguí-Pons and
  • Maurici Ruiz-Pérez

14 February 2024

The data sharing strategy involves understanding the challenges and problems that can be solved through the collaboration of different entities sharing their data. The implementation of a data space in Mallorca is based on understanding the available...

  • Article
  • Open Access
4 Citations
3,056 Views
30 Pages

Data-Driven Strategies for Complex System Forecasts: The Role of Textual Big Data and State-Space Transformers in Decision Support

  • Huairong Huo,
  • Wanxin Guo,
  • Ruining Yang,
  • Xuran Liu,
  • Jingyi Xue,
  • Qingmiao Peng,
  • Yiwei Deng,
  • Xinyi Sun and
  • Chunli Lv

10 May 2024

In this research, an innovative state space-based Transformer model is proposed to address the challenges of complex system prediction tasks. By integrating state space theory, the model aims to enhance the capability to capture dynamic changes in co...

  • Article
  • Open Access
59 Citations
7,616 Views
23 Pages

Urban Nighttime Leisure Space Mapping with Nighttime Light Images and POI Data

  • Jiping Liu,
  • Yue Deng,
  • Yong Wang,
  • Haosheng Huang,
  • Qingyun Du and
  • Fu Ren

6 February 2020

Urban nighttime leisure spaces (UNLSs), important urban sites of nighttime economic activity, have created enormous economic and social benefits. Both the physical features (e.g., location, shape, and area) and the social functions (e.g., commercial...

  • Feature Paper
  • Article
  • Open Access
3,041 Views
18 Pages

ssMousetrack—Analysing Computerized Tracking Data via Bayesian State-Space Models in R

  • Antonio Calcagnì,
  • Massimiliano Pastore and
  • Gianmarco Altoé

Recent technological advances have provided new settings to enhance individual-based data collection and computerized-tracking data have became common in many behavioral and social research. By adopting instantaneous tracking devices such as computer...

  • Article
  • Open Access
1,789 Views
25 Pages

Exploratory Integration of a Digital Twin with a Data Space: Case Study with the Asset Administration Shell

  • Francisco Zenza,
  • Luís P. Ferreira,
  • Carlos Gonçalves,
  • Ricardo Ribeiro and
  • Ana L. Ramos

22 August 2025

In the context of Industry 4.0, technologies such as Digital Twin (DT) and Data Space (DS) have emerged as a revolution in the way physical assets are represented in simulation models and how their information and data are represented in cloud reposi...

  • Article
  • Open Access
3 Citations
1,548 Views
17 Pages

27 December 2024

This study aims to propose a data space-based collaboration platform targeting continuous process industries such as continuous casting of steel and oil refining. The proposed collaboration platform serves as a basic environment in which supply chain...

  • Article
  • Open Access
20 Citations
6,480 Views
16 Pages

27 February 2017

In this paper, we propose a method for using mobile laser-scanning data to estimate the green space ratio (GSR), a landscape index that represents the proportion of green area to the whole-view area. The proposed method first classifies and segments...

  • Article
  • Open Access
11 Citations
3,559 Views
31 Pages

3 November 2021

AIS (Automatic Identification System) is an effective navigation aid system aimed to realize ship monitoring and collision avoidance. Space-based AIS data, which are received by satellites, have become a popular and promising approach for providing s...

  • Article
  • Open Access
13 Citations
3,508 Views
21 Pages

27 May 2018

The Urban Rail Transit (URT) passenger travel space–time trajectory reflects a passenger’s path-choice and the components of URT network passenger flow. This paper proposes a model to estimate a passenger’s maximum-likelihood space–time trajectory us...

  • Article
  • Open Access
1 Citations
2,691 Views
26 Pages

23 April 2025

Revitalizing Japan’s remote areas has become an urgent challenge, particularly in regions with aging populations. Despite their rich cultural and natural resources, these areas struggle to attract younger demographics, including young families...

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