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Mostrando ítems 1-20 de 1738
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2008-2017 Bogota River Water Quality Assessment Based on the Water Quality Index
(Sustainability, 02/03/2019)This article provides a deep analysis of the water quality at the upper basin of the Bogota River (Colombia) between 2008 and 2017. The Water Quality Index has been the indicator employed to determine the ecological status ... -
3D visualization through the hologram for the learning of area and volume concepts
(Mathematics, 26/02/2019)This study aims to implement and evaluate a methodological proposal using the hologram as a teaching medium for the learning of concepts related to areas and volumes of geometrical bodies. The study has been carried out ... -
A 14-year dataset of in situ glacier surface velocities for a tidewater and a land-terminating glacier in Livingston Island, Antarctica
(Earth System Science Data, 10/2017)We present a 14-year record of in situ glacier surface velocities determined by repeated global navigation satellite system (GNSS) measurements in a dense network of 52 stakes distributed across two glaciers, Johnsons ... -
A biparametric extension of King’s fourth-order methods and their dynamics
(Applied Mathematics and Computation, 05/2016)A class of two-point quartic-order simple-zero finders and their dynamics are investigated in this paper by extending King’s fourth-order family of methods. With the introduction of an error corrector having a weight ... -
A cluster-analytic profiling of heroin-dependent patients based on level, clinical adequacy, and patient-desired adjustment of buprenorphine dosage during buprenorphine-naloxone maintenance treatment in sixteen Spanish centers
(Drug and Alcohol Dependence, 2018)Background: Buprenorphine dosage is a crucial factor influencing outcomes of buprenorphine treatment for heroin use disorders. Therefore, the aim of the present study is to identify naturally occurring profiles of ... -
A clustering WSN routing protocol based on k-d tree algorithm
(Sensors, 09/2018)Clustering in wireless sensor networks has been widely discussed in the literature as a strategy to reduce power consumption. However, aspects such as cluster formation and cluster head (CH) node assignment strategies have ... -
A consensus support model based on linguistic information for the initial-self assessment of the EFQM in health care organizations
(Expert Systems with Applications, 06/2013)The improvement of the quality of the services is one of the primary sources of competitive advantage in health care organizations. As customers typically search for higher quality of care when choosing treatments, health ... -
A corpus-based study of adverbs of frequency in a goal-oriented distance learning forum
(ELIA. Estudios de Lingüística Inglesa Aplicada, 2018)This paper reports on a corpus-based study that investigated the use of frequency adverbs in students' posts in a goal-oriented virtual forum. The participants in the study were undergraduate students enrolled in two ... -
A critical analysis of the advantages brought by blockchain technology to the global economy
(International Journal of Intellectual Property Management, 2019)The blockchain distributed ledger technology offers a secure, transparent, verifiable, democratic, decentralised, efficient, and tamper-resistant way to record and transfer data. Now much of the discussion revolves around ... -
A crusade over the airwaves: the Blue Division on Radio Nacional de España (1941–1954)
(Historical Journal of Film, Radio and Television, 2017)The Blue Division, Spain’s most notable military contribution to the Second World War, has been examined from many different perspectives, though the role of communication has not featured among them. This study aims to ... -
A design process for balanced educational video games with collaborative activities
(Dyna, 2015)The efficiency of educational video games could be improved through the use of a specific development method that allows them to keep both their educational and recreational goals and maintains their playability. Accordingly, ... -
A first overview on the real dynamics of Chebyshev's method
(Journal of Computational and Applied Mathematics, 07/2017)In this paper we explore some properties of the well known root-finding Chebyshev’s method applied to polynomials defined on the real field. In particular we are interested in showing the existence of extraneous fixed ... -
A Gap in Networked Publics? A Comparison of Younger and Older Journalists' Newsgathering Practices on Social Media
(Nordicom Review, 15/05/2018)Several recent studies have examined how professional journalists use social media at work. However, we know little about the differences between younger and older journalists' use of social media for newsgathering. We ... -
A global model for the estimation of transport costs
(Economic Research-Ekonomska Istrazivanja, 01/01/2020)This paper presents a model of transport cost determinants that corrects the specification problems observed in the transport cost equations in previous literature. The model includes freight transport supply and demand, ... -
A group decision making support system for the Web: How to work in environments with a high number of participants and alternatives
(Applied Soft Computing, 07/2018)One of the main challenges that the appearance of Web 2.0 and the overall spreading of the Internet have generated is how to tackle with the high number of users and information available. This problem is also inherited ... -
A log-linear analysis of efficiency in elite basketball applied to observational methodology
(International Journal of Sports Science & Coaching, 06/2019)Although the full potential of observational methodology is realized through diachronic analyses, synchronic analyses can be used to investigate associations between categorical variables. Log-linear modeling is an appropriate ... -
A Mixed Methods Study to Examine the Influence of CLIL on Physical Education Lessons: Analysis of Social Interactions and Physical Activity Levels
(Frontiers in Psychology, 03/2020)Physical Education is often selected for applying multilingual initiatives through the use of a content and language integrated learning (CLIL) approach. However, it is still unclear whether the introduction of such an ... -
A model of the role of error detection and self-regulation in academic performance
(The Journal of Educational Research, 2017)The authors' aim was to determine the extent to which error detection contributes to the explanation of a cognitive and motivational model of student performance in an assessment test. A total of 151 science students of ... -
A model-driven approach to generate and deploy videogames on multiple platforms
(Journal of Ambient Intelligence and Humanized Computing, 06/2017)Currently, videogame development for mobile devices is a highly profitable and competitive industry worldwide. This profitability can be ascribed to the popularity that new technologies such as smartphones and tablets have ... -
A new efficient parametric family of iterative methods for solving nonlinear systems
(Journal of Difference Equations and Applications, 18/09/2019)A bi-parametric family of iterative schemes for solving nonlinear systems is presented. We prove for any value of parameters the sixth-order of convergence of any members of the class. The efficiency and computational ...
