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Article
Most nearby young star clusters formed in three massive complexes
Efforts to unveil the structure of the local interstellar medium and its recent star-formation history have spanned the past 70 years (refs. 1–6). Recent studies using precise data from space astrometry missions ...
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Article
The Radcliffe Wave is oscillating
Our Sun lies within 300 parsecs of the 2.7-kiloparsecs-long sinusoidal chain of dense gas clouds known as the Radcliffe Wave1. The structure’s wave-like shape was discovered using three-dimensional dust map**, ...
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Article
Insights into star formation and dispersal from the synchronization of stellar clocks
Age is one of the most fundamental parameters of a star, yet it is one of the hardest to determine as it requires modelling various aspects of stellar formation and evolution. When we compare the ages derived ...
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Chapter and Conference Paper
Blockchain in a Maintenance Database
Nowadays, data management is part of the maintenance management. Organizations are now gathering a diverse range of data, including information from sensors and operator logs, among others. To structure a data...
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Chapter and Conference Paper
Develo** a TRIZ-Lean Methodology in Portuguese Navy Complex Systems
To maximize safety and the useful life of the equipment while reducing costs, new philosophies and tools must be used to replace the old maintenance habits. A TRIZ-Lean approach, applied to maintenance managem...
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Article
Open AccessViral genetic clustering and transmission dynamics of the 2022 mpox outbreak in Portugal
Pathogen genome sequencing during epidemics enhances our ability to identify and understand suspected clusters and investigate their relationships. Here, we combine genomic and epidemiological data of the 2022...
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Chapter and Conference Paper
Blockchain Assisted Voting in Academic Councils
Councils are a common organisational structure of Portuguese Universities and Polytechnic Institutes. They make the key decisions, in these organisations, by nominal voting at assembly meetings. The COVID pand...
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Article
Augmented reality situated visualization in decision-making
Decision-making processes and decision support systems (DSS) have been improved by a variety of methods originated from several scientific fields, such as information science and artificial intelligence (AI). ...
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Article
Remote collaboration in maintenance contexts using augmented reality: insights from a participatory process
Problem solving in Industry 4.0 often requires collaboration among remote team members, which face increased complexity on their daily tasks and require mechanisms with adaptive capabilities to share and combi...
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Chapter and Conference Paper
Cloud-Based Privacy-Preserving Medical Imaging System Using Machine Learning Tools
Healthcare environments are generating a deluge of sensitive data. Nonetheless, dealing with large amounts of data is an expensive task, and current solutions resort to the cloud environment. Additionally, the...
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Chapter and Conference Paper
Skill Learning for Long-Horizon Sequential Tasks
Solving long-horizon problems is a desirable property in autonomous agents. Learning reusable behaviours can equip the agent with this property, allowing it to adapt them when performing various real-world tas...
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Chapter and Conference Paper
Curriculum Preparation for Battery Value Chain Skills Needs
In this paper we will introduce the approach the ALBATTS Blueprint Project partners took in curriculum preparation for battery value chain skills needs. We developed a methodology that meets the challenges of ...
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Article
Star formation near the Sun is driven by expansion of the Local Bubble
For decades we have known that the Sun lies within the Local Bubble, a cavity of low-density, high-temperature plasma surrounded by a shell of cold, neutral gas and dust1–3. However, the precise shape and extent ...
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Chapter
Tourism Events: Bringing Innovation to the North of Portugal
Tourist destinations are places or regions that offer a set of tourism products, which provide experiences to the consumer according to their itinerary, culture, travel motivation, education, or life experienc...
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Chapter
Convolutional Neural Networks Analysis Using Concentric-Rings Interactive Visualization
The goal of this paper is to present the interactive web visualization technique DeepRings. The technique has a radial design, using concentric rings to represent the layers of a deep learning model, where eac...
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Article
A Solar System formation analogue in the Ophiuchus star-forming complex
Anomalies among the daughter nuclei of the extinct short-lived radionuclides in calcium–aluminium-rich inclusions indicate that the Solar System must have been born near a source of the short-lived radionuclid...
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Article
Open AccessFaint objects in motion: the new frontier of high precision astrometry
Sky survey telescopes and powerful targeted telescopes play complementary roles in astronomy. In order to investigate the nature and characteristics of the motions of very faint objects, a flexibly-pointed ins...
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Chapter and Conference Paper
Exploring Annotations and Hand Tracking in Augmented Reality for Remote Collaboration
Collaboration among remotely distributed professionals is often required in a maintenance context. Professionals need mechanisms with adaptive capabilities to enable knowledge transfer, since the necessary exp...
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Chapter and Conference Paper
Using Augmented Reality and Step by Step Verification in Industrial Quality Control
Quality control procedures are extremely important among industrial applications. Generally, these tasks include many repetitive tasks that require manual intervention. Given their complexity, quality control ...
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Article
A Galactic-scale gas wave in the solar neighbourhood
For the past 150 years, the prevailing view of the local interstellar medium has been based on a peculiarity known as the Gould Belt1–4, an expanding ring of young stars, gas and dust, tilted about 20 degrees to ...