Sergio Luján-Mora

University of Alicante | UA · Department of Software and Computing Systems

The COVID-19 pandemic forced educational institutions to close and led to a radical transformation of the global education system. This process of change had to take place in a short period of time and, as a result, methodologies and learning tools were adapted. The closure of educational institutions and the disruption to learning impacted all stu...

In recent years, the continuous development of digital technologies has expanded the possibilities for their application in the educational environment, allowing to improve the learning experience by making it more interactive, visually appealing, and accessible to different learning styles. The use of technologies, such as augmented reality (AR) a...

Today, teaching faces several challenges, including students’ difficulty in understanding abstract concepts and lack of motivation. To address these problems, the use of virtual reality (VR) has been explored as an innovative and potentially effective educational tool. However, so far, the effectiveness of VR applications and the perception of thei...

The growing importance of data analytics is leading to a shift in data management strategy at many companies, moving away from simple data storage towards adopting Online Analytical Processing (OLAP) query analysis. Concurrently, NoSQL databases are gaining ground as the preferred choice for storing and querying analytical data. This article presen...

nternet penetration in the world is increasing every year, and universities are taking advantage by providing digital services to their communities. Approximately 66.3% of the world's population and 33.9% of Africa's population have access to the Internet. However, 15% of the world's population lives with some form of disability and cannot equally...

n the age of the information society, the web should be accessible to all. But this is not the case, as people with disabilities still face several barriers to accessing the Web. Web accessibility is essential to ensuring inclusion for all in an increasingly digitalised world, and to achieving quality education, in line with Goal 4 of the Sustainab...

Quality education is one of the 17 goals of the Sustainable Development Goals (SDGs), set by the United Nations for the year 2030. Goal number four is to ensure inclusive and equitable quality education and promote lifelong learning opportunities for all. For higher education, this means, firstly, that the services provided through the internet sho...

Over the years, educational institutions have faced significant difficulties in the teaching process at all educational levels, due to lack of motivation, concentration, attention, and confidence, among other aspects. In this sense, information and communication technologies can be the answer to transform educational models. One of the most promisi...

This study evaluated the generation of adversarial examples and the subsequent robustness of an image classification model. The attacks were performed using the Fast Gradient Sign method, the Projected Gradient Descent method, and the Carlini and Wagner attack to perturb the original images and analyze their impact on the model’s classification acc...

Currently, social networks and Internet access have become a place that fosters risky experiences for their users, who are vulnerable and can become victims of violence, online abuse, extortion, etc. Therefore, it is considered necessary to make people aware of the appropriate use of information and communication technologies (ICTs) and Internet ac...

Real-time object detection in urban environments is critical for security, transportation, and surveillance applications. This work presents an approach based on the You Only Look Once model for real-time object detection in urban scenarios. The methodology employed includes the collection and annotation of a diverse dataset, as well as the impleme...

The increase in the sophistication and volume of cyberattacks has made traditional malware detection methods, such as those based on signatures and heuristics, obsolete. These conventional techniques struggle to identify new malware variants that employ advanced evasion tactics, resulting in significant security gaps. This study addresses this prob...

Currently, s!tudents face difficulties in understanding and assembling desktop computer hardware. Traditional teaching, which relies on theoretical classes and manuals, does not provide sufficient interactive or practical experience, hindering the comprehension and retention of knowledge. Understanding hardware is fundamental for computer science a...

The pandemic caused by COVID-19 impacted the entire world, but technological progress led to the appearance of new and innovative emerging technologies (ETs). These technologies proved to have a wide potential for use as support in education, but being a new technology, certain complications arose when it came to their application in the educationa...

El objetivo de este trabajo es evaluar el grado de accesibilidad de los sitios web de la República de Guinea Ecuatorial, en conformidad con las Web Content Accessibility Guidelines (WCAG), versión 2.0 (estándar ISO 40500:2012), utilizando la herramienta de validación automática Siteimprove. En 2005 la República de Guinea Ecuatorial puso en marcha e...

The pandemic caused by COVID-19 impacted the entire world, but the significant challenges to be faced during this crisis opened an opportunity for organizations to evolve toward a digital transformation. Educational institutions were a concrete example of the use of technologies, which were abruptly incorporated into the teaching–learning model. Al...

Web accessibility is essential to guarantee the inclusion of all in an increasingly digitized world. The universities of Ecuador and Equatorial Guinea (EG) make use of information and communication technologies (ICT) to offer various services consumed by members of their community. The web is the main way to interact with these ICT services. Consid...

At present, tourists have all the facilities to travel, but they face the difficulty of establishing the itineraries of visits and the routes to follow, the reason is the numerous attractions and the complexity of the Metropolitan cities, Gavalas [1] .In previous works by this author, algorithms for the generation of intelligent itineraries have be...

New technological advances and globalization have undoubtedly given rise to new forms of learning. Massive Open Online Courses (MOOCs), which are a kind of evolution on e-learning, have the endorsement of prestigious universities around the world, and are transforming the traditional teaching–learning process. In Ecuador, these online courses are b...

The main objective of this research is a working example of how a hybrid methodology combining traditional methodologies and mobile devices can be used to contribute to the literature on mobile learning in teaching English as a second language. This work was carried out because, in many Latin American countries, students are taught English as a sec...

In today's society, the use of information and communication technology (ICT) has become an essential element. The Internet and the World Wide Web are some of the more prominent and ubiquitous manifestations of ICT. The Web is present in all aspects of our lives and it has opened a new world for many people around the world. Unfortunately, people w...

Currently, mobile devices are widely used as a support in education for teaching and learning of multiple academic subjects. An example of this is educational mobile applications, which in recent years have been massively developed and have generated multiple downloads for use in the classroom. Despite their features and benefits, the use of mobile...

Ensuring equitable and inclusive access to educational services in Higher Education Institutions (HEIs) requires the development of strategies that consider the diversity of their academic members, administrative staff, and students, as well as the use of information and communication technologies. The identification of requirements for technologic...

Autism spectrum disorder (ASD) covers a range of neurodevelopmental disorders that begin in early childhood and affects developmental activities. This condition can negatively influence the gaining of knowledge, skills, and abilities, such as communication. Over time, different techniques and methods have been put into practice to teach and communi...

The objective of this paper is to propose a set of guidelines to establish an office of Student Accessibility Services (SAS) in Higher Education Institutions (HEIs). The proposed guidelines help to integrate disjointed knowledge to facilitate its interpretation and implementation during deployment of basic support services in favor of students with...

Accessibility has been defined as the ability of an object to be used despite the condition or disability of a person. However, it is a feature that often has not been taken into account in the design of products or services, and the mobile serious game market is no exception. Accessibility guidelines were defined through the consolidation of diffe...

This article aims to evaluate the level of compliance with the accessibility requirements of the most popular native Android mobile applications, for which a sample of 50 Google Play Store applications available in Ecuador was taken. A five-phase method using the Accessibility Scanner tool was used to evaluate the apps. The results revealed that 47...

The Web is essential for education and e-learning. This situation has been boosted by migration to distance education due to the SARS-Co V-2. However, students with disabilities have been seriously affected because online teaching is very often not accessible. For this reason, this research aims to evaluate the accessibility of the homepages of the...

Some apps serve as assistive technologies or digital therapeutic tools that can be used by rehabilitation professionals in the motor disability context, bringing benefits to therapists and people with disabilities. However, websites or catalogs do not provide reliable information, easy search, and intuitive access to these apps, causing access info...

The lack of accessibility on websites can result in people with disabilities not accessing information online. Therefore, this research aims to create a process model for continuous web accessibility testing by adapting and customizing three methodologies: Deming cycle (Plan, Do, Check, Act), Website Accessibility Conformance Evaluation Methodology...

The eXtensible Markup Language (XML) files are widely used by the industry due to their flexibility in representing numerous kinds of data. Multiple applications such as financial records, social networks, and mobile networks use complex XML schemas with nested types, contents, and/or extension bases on existing complex elements or large real-world...

This study determines one of the most relevant quality factors of apps for people with disabilities utilizing the abductive approach to the generation of an explanatory theory. First, the abductive approach was concerned with the results’ description, established by the apps’ quality assessment, using the Mobile App Rating Scale (MARS) tool. Howeve...

In this paper we introduce a tourism recommender system based on tourist inquiries about a particular place in real time using an online search box. Currently, tools such as IBM Watson Natural Language Classifier based on deep learning facilitate natural language processing and classification on different categories, and consequently, the generatio...

The identity and institutional image of universities are presented to the world through their websites. On their websites, universities publish their academic offerings, their mission, their vision, their academic objectives, their achievements, their regulations, their news and all their university work. Hence, the importance of university website...

In the educational field, the use of massive open online courses (MOOCs) has increased notably in recent years. This fact has been highlighted since 2020 in the face of the COVID-19 pandemic, which has forced educational institutions to virtualize their academic activities. MOOCs are a tool that provide the opportunity for millions of people who ha...

The Directive (EU) 2016/2102, also known as the Web Accessibility Directive, defines the accessibility requirements of the websites and mobile applications of public sector bodies in the European Union. This regulation encourages the institutions of the member states of the European Union to implement accessible websites and mobile applications for...

Dyslexia is a relatively common language disorder which is generally ignored in rural communities. It hinders children’s learning processes and, in some cases, is the cause of dropouts or violence in schools. The present work strives to create a web and mobile app as a preliminary step towards the diagnosis and treatment of dyslexic children. Apps...

The need to remotely monitor people with disabilities has increased due to growth in their number in recent years. The democratization of Internet of Things (IoT) devices facilitates the implementation of healthcare-monitoring systems (HMSs) that are capable of supporting disabilities and diseases. However, to achieve their full potential, these de...

Language is the primordial element for cultural transfer in indigenous communities; if it is not practiced, there is a risk of losing it and with it, a large part of the history of a community. Ecuador is a multicultural and multiethnic country with 18 indigenous peoples. Currently, in this country, some native languages are at risk of disappearing...

With the rise of information technology and digitization, education has been faced with the need to adopt new learning models using technology to create innovative educational methodologies. In addition, due to pandemic restrictions and in order to help contain the spread of the virus (COVID-19), all educational institutions have been forced to swi...

Today’s world demands more efficient learning models that allow students to play a more active role in their education. Technology is having an impact on how instruction is delivered and how information is found and share. Until very recently, the educational models encouraged memorization as an essential learning skill. These days, technologies ha...

The study of educational innovations has attracted increasing attention from academics and researchers around the world. Educational innovation proposes the implementation of new approaches or practices that are beneficial and make an impact on individuals or academic communities. The current educational model of many higher education institutions...

The modern world greatly depends on information systems and the software that governs them. The software architecture defines and designs the holistic structure that the software will have, its components, the interaction between them and all the development is done around it. The purpose of this systematic literature review (SLR) is to analyse the...

The authors would like to make the following corrections to the published paper [...]

Wearable technology has become a subject of research and analysis. However, the importance of the information carried across these devices incentivizes malicious individuals to look for ways to attack them and intercept such information for various illicit purposes, it makes information security a major concern for users and manufacturers. The purp...

Currently, the 2019 Coronavirus Disease pandemic has caused serious damage to health throughout the world. Its contagious capacity has forced the governments of the world to decree isolation and quarantine to try to control the pandemic. The consequences that it leaves in all sectors of society have been disastrous. However, technological advances...

Dyslexia is a cognitive disorder that affects the evolutionary ability to read, write, and speak in people, affecting the correct learning of a large percentage of the population worldwide. In fact, incorrect learning is caused because the educational system does not take into consideration the accessibility parameters that people with dyslexia nee...

In [1] , a production error occurred which resulted in an error in the names of the authors of a reference.

Contains raw data from the evaluation of 368 websites of Latin American universities

Dataset Accessibility and Web-based Serious Games: Systematic literature review

In telecommunications, Performance Management (PM) data are collected from network elements to a centralized system, the Network Management System (NMS), which acts as a business intelligence tool specialized in monitoring and reporting network performance. Performance Management files contain the metrics and named counters used to quantify the per...

Nowadays, serious games have become a beneficial resource in the learning process; they are part of our culture and promote social inclusion. Designing accessible serious games is a complete challenge, even more for non-experts. Most existing serious games do not meet accessibility standards because of a lack of methods that include standards and h...

It contains the data of the heuristic evaluation applied in serious games.

Video games that are used as teaching tools are called serious games. However, there is an important factor that is not usually considered in the design of serious games— the inclusion of people with disabilities. Inclusion can be reached only if accessibility takes on an important role for all. On the other hand, new trends have resulted in differ...

Nowadays, serious games, called training or learning games, have been incorporated into teaching and learning processes. Due to the increase of their use, the need to guarantee their accessibility arises in order to include people with disabilities in the educational environments in an integral way. There are reviews of the literature on video game...

Nowadays, one of the learning resources in the educational area are serious games, also called training games; they are games designed with a different purpose than fun, whose main objective is to reinforce the new concepts more creatively. However, not all existing serious games are accessible in a way that allows access to a more significant numb...

In a world in which students are exposed to all kinds of digital stimuli, the traditional educational, in which a teacher gives a lesson in front of a class full of students who listen attentively, may not be very motivating. That is why, in addition to offering new pedagogical possibilities, and helping teachers to nurture their students with new...

Currently, universities are being forced to change the paradigms of education, where knowledge is mainly based on the experience of the teacher. This change includes the development of quality education focused on students’ learning. These factors have forced universities to look for a solution that allows them to extract data from different inform...

Currently, there is a high percentage of people with visual disabilities worldwide. Sometimes, these people do not have access to the information of online geographic maps. A traditional map published on the Web does not provide the necessary alternative information for people with visual disabilities. This research presents a mobile application wi...

The high rate of unemployment in Ecuador requires new opportunities to create job offers. We have observed the business model of Uber and Airbnb, there is still many opportunities to create the sharing economy. In this document, we present a clear and innovative architecture to build a business including sharing economy. A system for applying our p...

Video consumption on the web has increased markedly in recent years. Universities use videos in different teaching-learning modalities, as well as on their websites, to publish information aimed at their stakeholders. Access to education and information has been recognized as a human right in several international conventions and the constitutions...

Today, the video game industry is one of the most profitable business markets in the world. Video games are not only being used as a means of entertainment but also to reinforce education. Even though there are unbroken barriers for disabled people to use this kind of applications. Lack of accessible technologies and functions are real problems and...

—Due to the limitations in tax administrations, such as, staff, tools, time, etc., tax administrations seek to recover debts in the early stages of control, where the cost of collection is lower than in the subsequent stages. In order to optimize the debt management process and contribute to decision-making, this work proposes a framework based on...

In recent years, recommender systems have been used as a solution to support tourists with recommendations oriented to maximize the entertainment value of visiting a tourist destination. However, this is not an easy task because many aspects need to be considered to make realistic recommendations: the context of a tourist destination visited, lack...