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CultUnity3D: a Virtual Spatial Ecosystem for Digital Engagement with Cultural Heritage Sites
(MDPI, 2020)
[Abstract] In order to help enhance public outreach and understanding of historical sites, we developed a virtual spatial ecosystem called CultUnity3D. It consists of a set of components specifically implemented within the ...
A First Approach to Authentication Based on Artificial Intelligence for Touch-Screen Devices
(MDPI AG, 2020-08-18)
[Abstract]
Most authentication schemes follow a classical approach, where the users are authenticated only once at the beginning of their sessions. Therefore, it is not possible to verify the legitimate use of such a ...
Open Source Monitoring System for IT Infrastructures Incorporating IoT-Based Sensors
(MDPI AG, 2020-09-03)
[Abstract]
This paper introduces the development of a data center monitoring system based on IoT technologies. The system is meant to work as an administrative tool for system administrators in any environment, but mainly ...
Phosphorus-Rich Stars With Unusual Abundances Are Challenging Theoretical Predictions
(Nature Publishing Group, 2020-08-04)
[Abstract]
Almost all chemical elements have been made by nucleosynthetic reactions in various kind of stars and have been accumulated along our cosmic history. Among those elements, the origin of phosphorus is of extreme ...
A Blended Artificial Intelligence Approach for Spectral Classification of Stars in Massive Astronomical Surveys
(MDPI AG, 2020-05-01)
[Abstract]
This paper analyzes and compares the sensitivity and suitability of several artificial intelligence techniques applied to the Morgan–Keenan (MK) system for the classification of stars. The MK system is based ...
Mining of the Milky Way Star Archive Gaia-DR2: Searching for Binary Stars in Planetary Nebulae
(MDPI AG, 2020-08-31)
[Abstract]
The aim of this work is to search for binary stars associated to planetary nebulae (ionized stellar envelopes in expansion), by mining the astronomical archive of Gaia DR2, that is composed by around 1.7 billion ...
Gaia DR2 Distances to Planetary Nebulae
(MDPI AG, 2020-04-01)
[Abstract] The aim of this work is to examine distances to planetary nebulae (PNe) together with other properties that were derived from them, using the astrometry of Gaia Data Release 2 (DR2). We were able to identify ...