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Computers, Volume 10, Issue 9

2021 September - 14 articles

Cover Story: In general, the teaching of software engineering is difficult for computer science students since the concepts and content are more related to engineering than to computer science. It is for this reason that students have difficulties with their learning. This article presents a tool that aims to help students to improve their understanding. The development is based on two ideas. On the one hand, the application is mobile in order to make it easy to use it anytime, anywhere. On the other hand, the use of gamification has the aim of motivating students by competing with their peers, as well as having learning paths adapted to the activity of each student. View this paper
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Articles (14)

  • Article
  • Open Access
9 Citations
4,824 Views
18 Pages

18 September 2021

Detecting morphed face images has become an important task to maintain the trust in automated verification systems based on facial images, e.g., at automated border control gates. Deep Neural Network (DNN)-based detectors have shown remarkable result...

(This article belongs to the Section ICT Infrastructures for Cybersecurity)
  • Article
  • Open Access
26 Citations
4,830 Views
15 Pages

360°-Based Virtual Field Trips to Waterworks in Higher Education

  • Mario Wolf,
  • Florian Wehking,
  • Michael Montag and
  • Heinrich Söbke

18 September 2021

360° models are a form of virtual reality (VR) that allow the viewer to view and explore a photorealistic object from multiple locations within the model. Hence, 360° models are an option to perform virtual field trips (VFT) independent of time and l...

(This article belongs to the Special Issue Interactive Technology and Smart Education)
  • Article
  • Open Access
2 Citations
4,088 Views
22 Pages

Smart Interconnected Infrastructures for Security and Protection: The DESMOS Project

  • Michail Feidakis,
  • Christos Chatzigeorgiou,
  • Christina Karamperi,
  • Lazaros Giannakos,
  • Vasileios-Rafail Xefteris,
  • Dimos Ntioudis,
  • Athina Tsanousa,
  • Dimitrios G. Kogias,
  • Charalampos Patrikakis and
  • Ioannis Kompatsiaris
  • + 3 authors

16 September 2021

This paper presents “DESMOS”, a novel ecosystem for the interconnection of smart infrastructures, mobile and wearable devices, and applications, to provide a secure environment for visitors and tourists. The presented solution brings together state-o...

(This article belongs to the Section Internet of Things (IoT) and Industrial IoT)
  • Article
  • Open Access
1 Citations
3,945 Views
26 Pages

An Experimental Study on Centrality Measures Using Clustering

  • Péter Marjai,
  • Bence Szabari and
  • Attila Kiss

15 September 2021

Graphs can be found in almost every part of modern life: social networks, road networks, biology, and so on. Finding the most important node is a vital issue. Up to this date, numerous centrality measures were proposed to address this problem; howeve...

  • Article
  • Open Access
8 Citations
4,005 Views
20 Pages

Privacy Preservation Instruments Influencing the Trustworthiness of e-Government Services

  • Hilal AlAbdali,
  • Mohammed AlBadawi,
  • Mohamed Sarrab and
  • Abdullah AlHamadani

13 September 2021

Trust is one of the most critical factors that determine willingness to use e-government services. Despite its significance, most previous studies investigated the factors that lead to trusting such services in theoretical aspects without examining t...

(This article belongs to the Special Issue Sensors and Smart Cities 2023)
  • Article
  • Open Access
37 Citations
9,664 Views
25 Pages

10 September 2021

The research aims to evaluate the impact of race in facial recognition across two types of algorithms. We give a general insight into facial recognition and discuss four problems related to facial recognition. We review our system design, development...

(This article belongs to the Section ICT Infrastructures for Cybersecurity)
  • Article
  • Open Access
68 Citations
4,821 Views
19 Pages

Classification of Contaminated Insulators Using k-Nearest Neighbors Based on Computer Vision

  • Marcelo Picolotto Corso,
  • Fabio Luis Perez,
  • Stéfano Frizzo Stefenon,
  • Kin-Choong Yow,
  • Raúl García Ovejero and
  • Valderi Reis Quietinho Leithardt

9 September 2021

Contamination on insulators may increase the surface conductivity of the insulator, and as a consequence, electrical discharges occur more frequently, which can lead to interruptions in a power supply. To maintain reliability in an electrical distrib...

(This article belongs to the Special Issue Feature Paper in Computers)
  • Review
  • Open Access
6 Citations
7,587 Views
18 Pages

8 September 2021

The Curiosity rover has landed on Mars since 2012. One of the instruments onboard the rover is a pair of multispectral cameras known as Mastcams, which act as eyes of the rover. In this paper, we summarize our recent studies on some interesting image...

(This article belongs to the Special Issue Feature Paper in Computers)
  • Article
  • Open Access
78 Citations
11,259 Views
14 Pages

Perceptions about the Future of Integrating Emerging Technologies into Higher Education—The Case of Robotics with Artificial Intelligence

  • Janika Leoste,
  • Larissa Jõgi,
  • Tiia Õun,
  • Luis Pastor,
  • José San Martín López and
  • Indrek Grauberg

8 September 2021

Emerging technologies (ETs) will most likely have a strong impact on education (starting with higher education), just like they have already had in so many economic and social areas. This paper is based on the results obtained in the project “My Futu...

(This article belongs to the Special Issue Interactive Technology and Smart Education)
  • Article
  • Open Access
8 Citations
2,671 Views
12 Pages

Approximated Mixed-Integer Convex Model for Phase Balancing in Three-Phase Electric Networks

  • Oscar Danilo Montoya,
  • Luis Fernando Grisales-Noreña and
  • Edwin Rivas-Trujillo

31 August 2021

With this study, we address the optimal phase balancing problem in three-phase networks with asymmetric loads in reference to a mixed-integer quadratic convex (MIQC) model. The objective function considers the minimization of the sum of the square cu...

(This article belongs to the Special Issue Computing, Electrical and Industrial Systems 2021)
  • Article
  • Open Access
4 Citations
3,922 Views
20 Pages

26 August 2021

Embodiment of an avatar is important in many seated VR applications. We investigate a Bayesian Causal Inference model of body ownership. According to the model, when available sensory signals (e.g., tactile and visual signals) are attributed to a sin...

(This article belongs to the Special Issue Advances in Seated Virtual Reality)
  • Article
  • Open Access
5 Citations
3,771 Views
20 Pages

Fine-Grained Cross-Modal Retrieval for Cultural Items with Focal Attention and Hierarchical Encodings

  • Shurong Sheng,
  • Katrien Laenen,
  • Luc Van Gool and
  • Marie-Francine Moens

25 August 2021

In this paper, we target the tasks of fine-grained image–text alignment and cross-modal retrieval in the cultural heritage domain as follows: (1) given an image fragment of an artwork, we retrieve the noun phrases that describe it; (2) given a noun p...

(This article belongs to the Special Issue Artificial Intelligence for Digital Humanities (AI4DH))
  • Article
  • Open Access
6 Citations
4,261 Views
34 Pages

25 August 2021

Software engineering is a complicated subject for computer engineering students since the explained knowledge and necessary competencies are more related to engineering as a general knowledge area than to computer science. This article describes a so...

(This article belongs to the Special Issue Present and Future of E-Learning Technologies)
  • Article
  • Open Access
13 Citations
4,959 Views
26 Pages

Dynamic Privacy-Preserving Recommendations on Academic Graph Data

  • Erasmo Purificato,
  • Sabine Wehnert and
  • Ernesto William De Luca

25 August 2021

In the age of digital information, where the internet and social networks, as well as personalised systems, have become an integral part of everyone’s life, it is often challenging to be aware of the amount of data produced daily and, unfortunately,...

(This article belongs to the Special Issue Artificial Intelligence for Digital Humanities (AI4DH))
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Computers - ISSN 2073-431X