Search results for "Context"
showing 10 items of 6304 documents
Tracking down phrasal verbs: the case of up and down
2016
Since the frequency of phrasal verbs is register-specific, it is essential for L2 learners to be exposed to the most productive phrasal verbs in their field of study. Thus, English for Police learners should become familiar and practise the most recurrent phrasal verbs in the context of crime and police investigative work. In this study we determine the frequency and meaning extensions of phrasal verbs with the particles up and down in a spoken corpus of English for the Police on the basis of which we also generate teaching materials for L2 trainee police officers. This research extends McCarthy and O’Dell’s (2004) scope of analysis by encompassing not only phrasal verbs related to criminal…
The Implications of Fuzzy Logic in Qualitative Mathematical Modeling of Some Key Aspects Related to the Sustainability Issues around “Roşia Montană P…
2013
Abstract This paper aims to address in terms of fuzzy logic the qualitative mathematical modeling of some key aspects that implies ensuring of sustainability within “Rosia Montana mining Project”, both from the business itself perspective, as well as from the community and ecological ones. The proposed fuzzy methodology is also very useful and can be successfully applied for any company that evolves in uncertainty and ambiguity conditions and within which the decisional factor reasoning is subjective, due to itself abstract thinking of human being in this kind of situations, which often manifests itself through qualitative linguistic values. In this context, the development of a fuzzy metho…
Relation between adaptive learning actions and profiles of MOOCs users
2016
The overcrowding and the heterogeneity of participants' profiles in a Massive Open Online Course (MOOC) are some of the main causes for a high dropout rate. International reports and research works points out the personalized learning as an important way to improve learning in any educational context. The information and communication technologies help to address adaptive technics in education through online courses. The specific characteristics of MOOCs point to the need to implement adaptive methodologies in MOOCs to increase the completion rates. This work presents a statistical analysis to find out in what aspects the condition of adaptivity, defined by the construct, is a preference of…
A novel identification procedure from ambient vibration data
2020
AbstractAmbient vibration modal identification, also known as Operational Modal Analysis, aims to identify the modal properties of a structure based on vibration data collected when the structure is under its operating conditions, i.e., no initial excitation or known artificial excitation. This procedure for testing and/or monitoring historic buildings, is particularly attractive for civil engineers concerned with the safety of complex historic structures. However, since the external force is not recorded, the identification methods have to be more sophisticated and based on stochastic mechanics. In this context, this contribution will introduce an innovative ambient identification method b…
Structured Output SVM for Remote Sensing Image Classification
2011
Traditional kernel classifiers assume independence among the classification outputs. As a consequence, each misclassification receives the same weight in the loss function. Moreover, the kernel function only takes into account the similarity between input values and ignores possible relationships between the classes to be predicted. These assumptions are not consistent for most of real-life problems. In the particular case of remote sensing data, this is not a good assumption either. Segmentation of images acquired by airborne or satellite sensors is a very active field of research in which one tries to classify a pixel into a predefined set of classes of interest (e.g. water, grass, trees,…
CultReal—A Rapid Development Platform for AR Cultural Spaces, with Fused Localization
2021
Virtual and augmented reality technologies have known an impressive market evolution due to their potential to provide immersive experiences. However, they still have significant difficulties to enable fully fledged, consumer-ready applications that can handle complex tasks such as multi-user collaboration or time-persistent experiences. In this context, CultReal is a rapid creation and deployment platform for augmented reality (AR), aiming to revitalize cultural spaces. The platform’s content management system stores a representation of the environment, together with a database of multimedia objects that can be associated with a location. The localization component fuses data from beacons …
Design of composite measure schemes for comparative severity assessment in animal-based neuroscience research: A case study focussed on rat epilepsy …
2020
PLOS ONE 15(5), e0230141 (2020). doi:10.1371/journal.pone.0230141
Las fracciones, habilidades de alumnos de 15 a 16 años
2018
La indagación descrita es parte de un proyecto de investigación cuyo propósito es identificar relaciones existentes entre habilidades que los alumnos, de entre 15 y 18 años de edad, manifiestan al usar fracciones y su desempeño al resolver problemas descriptivos que involucran procesos iterativos de cálculo de parte del complemento de parte. Los resultados expuestos provienen del análisis de las respuestas de 198 alumnos a un cuestionario sobre conocimientos previos de fracciones. El test consta de siete tareas para evaluar tres tipos de habilidades: Representación gráfica, Cálculo con fracciones y Resolución de problemas. El cuestionario se diseñó considerando: a) componentes de estudios p…
Fuzzy Logic based model for self-optimizing energy consumption in IoT environment
2021
Energy optimization is essential in IoT environments due to energy constraints for some IoT components. In fact, energy consumption has a direct impact on IoT system lifetime, which represents an important Quality of Service (QoS) parameter for IoT environments. In order to extend the IoT system lifetime, energy consumption optimization should be considered in several IoT components. In this paper, we specify an energy self-optimizing mechanism allowing to minimize data transmission energy consumption of IoT objects. This mechanism enables selecting specific objects to send the desired data while minimizing the energy consumed for the corresponding communication. Our proposal is made of a M…
Adapting hierarchical bidirectional inter prediction on a GPU-based platform for 2D and 3D H.264 video coding
2013
The H.264/AVC video coding standard introduces some improved tools in order to increase compression efficiency. Moreover, the multi-view extension of H.264/AVC, called H.264/MVC, adopts many of them. Among the new features, variable block-size motion estimation is one which contributes to high coding efficiency. Furthermore, it defines a different prediction structure that includes hierarchical bidirectional pictures, outperforming traditional Group of Pictures patterns in both scenarios: single-view and multi-view. However, these video coding techniques have high computational complexity. Several techniques have been proposed in the literature over the last few years which are aimed at acc…