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Computers, Volume 11, Issue 2

February 2022 - 15 articles

Cover Story: Function point analysis is a widely used metric in the software industry for development effort estimation. While the software industry has grown rapidly, the weight values specified for standard function point counting have remained the same since its inception. Another problem is that software development in different industry sectors is peculiar, but basic rules apply to all. These raise important questions about the validity of weight values in practical applications. In this study, we propose an algorithm calibrating the standardized functional complexity weights, aiming to estimate a more accurate software size that fits specific software applications, reflects software industry trends, and improves the effort estimation of software projects. View this paper
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Articles (15)

  • Article
  • Open Access
11 Citations
7,025 Views
23 Pages

Assessment of SQL and NoSQL Systems to Store and Mine COVID-19 Data

  • João Antas,
  • Rodrigo Rocha Silva and
  • Jorge Bernardino

21 February 2022

COVID-19 has provoked enormous negative impacts on human lives and the world economy. In order to help in the fight against this pandemic, this study evaluates different databases’ systems and selects the most suitable for storing, handling, an...

  • Review
  • Open Access
253 Citations
48,214 Views
15 Pages

An Overview of Augmented Reality

  • Fabio Arena,
  • Mario Collotta,
  • Giovanni Pau and
  • Francesco Termine

19 February 2022

Modern society is increasingly permeated by realities parallel to the real one. The so-called virtual reality is now part of both current habits and many activities carried out during the day. Virtual reality (VR) is, in turn, related to the concept...

  • Article
  • Open Access
7 Citations
4,209 Views
17 Pages

17 February 2022

This paper investigates the detection of abnormal sequences of signaling packets purposely generated to perpetuate signaling-based attacks in computer networks. The problem is studied for the Session Initiation Protocol (SIP) using a dataset of signa...

  • Systematic Review
  • Open Access
69 Citations
14,747 Views
32 Pages

Deep Learning (CNN, RNN) Applications for Smart Homes: A Systematic Review

  • Jiyeon Yu,
  • Angelica de Antonio and
  • Elena Villalba-Mora

16 February 2022

In recent years, research on convolutional neural networks (CNN) and recurrent neural networks (RNN) in deep learning has been actively conducted. In order to provide more personalized and advanced functions in smart home services, studies on deep le...

  • Article
  • Open Access
12 Citations
5,997 Views
23 Pages

Performance of a Live Multi-Gateway LoRaWAN and Interference Measurement across Indoor and Outdoor Localities

  • Eugen Harinda,
  • Andrew J. Wixted,
  • Ayyaz-UI-Haq Qureshi,
  • Hadi Larijani and
  • Ryan M. Gibson

11 February 2022

Little work has been reported on the magnitude and impact of interference with the performance of Internet of Things (IoT) applications operated by Long-Range Wide-Area Network (LoRaWAN) in the unlicensed 868 MHz Industrial, Scientific, and Medical (...

  • Review
  • Open Access
133 Citations
21,410 Views
31 Pages

8 February 2022

Blockchain is a promising breakthrough technology that is highly applicable in manifold sectors. The adoption of blockchain technology is accompanied by a range of issues and challenges that make its implementation complicated. To facilitate the succ...

  • Article
  • Open Access
7 Citations
4,725 Views
22 Pages

7 February 2022

Given the growing number of development projects, proper project planning and management are crucial. The purpose of this paper is to introduce a heuristic algorithm for scheduling a power plant project construction and project resource management to...

  • Article
  • Open Access
2,870 Views
16 Pages

Hierarchical Control for DC Microgrids Using an Exact Feedback Controller with Integral Action

  • Oscar Danilo Montoya,
  • Federico Martin Serra and
  • Alexander Molina-Cabrera

6 February 2022

This paper addresses the problem of the optimal stabilization of DC microgrids using a hierarchical control design. A recursive optimal power flow formulation is proposed in the tertiary stage that ensures the global optimum finding due to the convex...

  • Article
  • Open Access
2 Citations
4,400 Views
17 Pages

4 February 2022

Crowd systems play an important role in virtual environment applications, such as those used in entertainment, education, training, and different simulation systems. Performance and scalability are key factors, and it is desirable for crowds to be si...

  • Article
  • Open Access
12 Citations
4,784 Views
23 Pages

3 February 2022

The opportunities for 3D visualisations are huge. People can be immersed inside their data, interface with it in natural ways, and see it in ways that are not possible on a traditional desktop screen. Indeed, 3D visualisations, especially those that...

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Computers - ISSN 2073-431XCreative Common CC BY license