Sergio Luján-Mora
University of Alicante
The InternetSoftware engineeringHigher educationData miningEngineeringData warehouseWorld Wide WebMathematics educationUnified Modeling LanguagePsychologyWork (electrical)Mobile deviceWeb accessibilityData scienceE-learning (theory)Open educational resourcesQuality (business)Computer scienceProcess (engineering)MultimediaKnowledge managementBig dataDatabase
334Publications
23H-index
2,200Citations
Publications 333
Newest
#2Sergio Luján-Mora (University of Alicante)H-Index: 23
Last. Llorenç ValverdeH-Index: 1
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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 (WCAG-EM), and Total Quality Management. The process model is composed of four phases. The first phase (Plan) allows defining the accessibility probl...
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#2Sergio Luján-Mora (University of Alicante)H-Index: 23
Last. Llorenç ValverdeH-Index: 1
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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 websites is accessible. The accessibility of university websites has been evaluated several times in the past, but there is no work that has summarized all t...
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#1Susana de Juana-Espinosa (University of Alicante)H-Index: 4
#2Sergio Luján-Mora (University of Alicante)H-Index: 23
Abstract Open government data (OGD) portals are official websites where governments can publish OGD in a controlled way. OGD portals foster discoverability, accountability, and reusability for stakeholders. This data article presents the data collected while monitoring the OGD portals in the 28 countries of the European Union. Several parameters and indicators observed over a period of 3 years in the official national open data portals were located and recorded to create this dataset. Data were ...
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#1Tania Acosta (National Technical University)H-Index: 6
#2José Zambrano-Miranda (National Technical University)H-Index: 2
Last. Sergio Luján-Mora (University of Alicante)H-Index: 23
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Multimedia has become one of the most important sources of information and communication on the web. However, despite recent technological progress, people with disabilities and the elderly face difficulties accessing multimedia on the web. In some cases, these difficulties are impossible to overcome and are a fundamental cause of digital exclusion. Given the importance of this topic, several investigations on the problems of accessing multimedia resources have been carried out. Some organizatio...
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#1Diego Buenaño-Fernández (UDLAP: Universidad de las Américas Puebla)H-Index: 5
#2Mario González (UDLAP: Universidad de las Américas Puebla)H-Index: 10
Last. Sergio Luján-Mora (University of Alicante)H-Index: 23
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The large amount of text that is generated daily on the web through comments on social networks, blog posts and open-ended question surveys, among others, demonstrates that text data is used frequently, and therefore; its processing becomes a challenge for researchers. The topic modeling is one of the emerging techniques in text mining; it is based on the discovery of latent data and the search for relationships among text documents. In this paper, the objective of the research is to evaluate a ...
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#1Patricia Acosta-Vargas (UDLAP: Universidad de las Américas Puebla)H-Index: 10
#2Mario González (UDLAP: Universidad de las Américas Puebla)H-Index: 10
Last. Sergio Luján-Mora (University of Alicante)H-Index: 23
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Abstract This article presents the process of building a dataset for evaluation of the accessibility of 368 web pages, beginning with Webometrics rankings, the WAVE tool was used in the evaluation of the web pages. The dataset documents data on repeated errors with higher frequency, in such a way that they alert the web developers, supporting them in creating more inclusive and accessible websites for all types of people, including users with disabilities. The data show that university websites ...
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#2Rosa NavarreteH-Index: 6
Last. Sergio Luján-MoraH-Index: 23
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The work presented in this paper is motivated by the acknowledgement that a complete and updated systematic literature review (SLR) that consolidates all the research efforts for Big Data modeling and management is missing. This study answers three research questions. The first question is how the number of published papers about Big Data modeling and management has evolved over time. The second question is whether the research is focused on semi-structured and/or unstructured data and what tech...
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#1Angel Jaramillo-Alcázar (UDLAP: Universidad de las Américas Puebla)H-Index: 8
#2Santiago Criollo-C (UDLAP: Universidad de las Américas Puebla)H-Index: 3
Last. Sergio Luján-Mora (University of Alicante)H-Index: 23
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#1Rosa Navarrete (National Technical University)H-Index: 6
#2Lorena Recalde (National Technical University)H-Index: 3
Last. Sergio Luján-Mora (University of Alicante)H-Index: 23
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The use of embedded markup for semantic web annotations has been fostered in the last years to produce structured information and improve visualization of search results. Its use enables major search engines to interpret and exhibit describing data from web content. This paper presents a quantitative analysis of the deployment of widely use markup formats, JSON-LD and Microdata, conducted on datasets from a large web crawling corpus of 2018. It is focusing on the use of Schema vocabulary applied...
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#1Susana de Juana-Espinosa (University of Alicante)H-Index: 4
#2Sergio Luján-Mora (University of Alicante)H-Index: 23
Abstract The goal of open government data (OGD) initiatives is to promote transparency, efficiency and public participation in public management policies. To do so, public organizations must consider which elements might help the development of their open government data portals (OGDP). This paper studies the evolution of OGDP in the 28 countries of the European Union (EU) in a multidisciplinary setting. Whereas the comparative frameworks in the literature are mostly based only on technological ...
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