Search results for "Online"
showing 10 items of 4526 documents
Analyzing online search patterns of music festival tourists
2020
Music festivals, as cultural events that induce tourism flows, intermediate both the cultural and travel experience. The present study analyzes online search behavior of potential attenders to a music festival. We hypothesize that the search process reveals latent patterns of behavior of cultural tourists planning to attend music festivals. To this end, information from Google Trends on queries related to three popular music festivals is used to build a network of search topics. Based on it, alternative exponential random graph model specifications are estimated. Findings support the general result of mediated information flows: music festivals induce planning and traveling queries. Howeve…
Evaluación de la reacción de alumnos y docentes en un modelo mixto de aprendizaje para Educación Superior
2014
Si bien en la educación presencial uno de los factores clave del éxito es el desempeño del docente dentro del salón de clase, es evidente que dentro de la educación en línea el papel del docente será distinto a su papel tradicional. Por ello, deben revalorarse los factores que garantizarán la calidad en este nuevo tipo de oferta educativa. En este estudio se muestran los resultados obtenidos de un análisis de caso de educación mixta (blended learning) para educación superior, y se enlistan los factores de éxito resultantes, así como algunas barreras para la adecuada implantación.
A Nonlinear Control of Synchronous Reluctance Motors (SynRM) Based on Feedback Linearization Considering the Self and Cross-Saturation Effects
2019
This paper proposes a nonlinear controller based on feedback linearization for Synchronous Reluctance Motors (SynRM) drives that takes into consideration the self and cross-saturation effects. Such control technique permits the dynamics of both the speed and flux loops to be maintained constant independently from the load and the saturation of the iron core. The proposed technique has been tested experimentally on a suitably developed test set-up.
Soliton solutions for an higher order nonlinear Schroedinger equation in optical fiber
2008
The new improvements to increase the bit rate in optical fiber require the propagation of pulse whose temporal width is always lesser. This causes the presence of further terms, linear and nonlinear, in the evolution equation of the pulse. The analysis on the complete integrability of the evolution equation, in a fiber optics with local properties and achieved in a previous paper, is improved dealing with the normal dispersion case, which allows the dark soliton propagation. In the last section special efforts are made to propose some interesting soliton solutions both bright and dark.
Performance analysis of dual-pump nonlinear amplifying loop mirror mode-locked all-fibre laser
2019
We numerically characterise, in the three-dimensional space of adjustable cavity parameters, the performance of a recently reported layout of a flexible figure-8 laser having two independently pumped segments of active fibre in its bidirectional ring (Smirnov et al 2017 Opt. Lett. 42 1732–5). We show that this optimisation problem can be efficiently addressed by applying a regression model based on a neural-network algorithm.
On FE-grid relocation in solving unilateral boundary value problems by FEM
1992
We consider FE-grid optimization in elliptic unilateral boundary value problems. The criterion used in grid optimization is the total potential energy of the system. It is shown that minimization of this cost functional means a decrease of the discretization error or a better approximation of the unilateral boundary conditions, Design sensitivity analysis is given with respect to the movement of nodal points. Numerical results for the Dirichlet-Signorini problem for the Laplace equation and the plane elasticity problem with unilateral boundary conditions are given. In plane elasticity we consider problems with and without friction. peerReviewed
Varieties Generated by Certain Models of Reversible Finite Automata
2006
Reversible finite automata with halting states (RFA) were first considered by Ambainis and Freivalds to facilitate the research of Kondacs-Watrous quantum finite automata. In this paper we consider some of the algebraic properties of RFA, namely the varieties these automata generate. Consequently, we obtain a characterization of the boolean closure of the classes of languages recognized by these models.
Mechanics of invagination and folding: Hybridized instabilities when one soft tissue grows on another
2015
We address the folding induced by differential growth in soft layered solids via an elementary model that consists of a soft growing neo-Hookean elastic layer adhered to a deep elastic substrate. As the layer/substrate modulus ratio is varied from above unity towards zero we find a first transition from supercritical smooth folding followed by cusping of the valleys to direct subcritical cusped folding, then another to supercritical cusped folding. Beyond threshold the high amplitude fold spacing converges to about four layer thicknesses for many modulus ratios. In three dimensions the instability gives rise to a wide variety of morphologies, including almost degenerate zigzag and triple-ju…
"You'll never walk alone" : formation of sense of community through language on the subreddit r/LiverpoolFC
2017
Internetin merkitys arjessa on kasvanut huomattavasti suurelle osalle maapallon ihmisiä viime vuosikymmeninä. Verkossa on lukemattomia sivustoja, joista useaa voisi kutsua internetyhteisöksi. Yksi suosituista sivustoista on reddit, joka koostuu erilaisista yhteisöistä eli aliredditeista. Aliredditit rakentuvat yleensä kiinnostuksenkohteiden tai ajankohtaisten aiheiden ympärille, ja niiden sisällön tuottamisen ja ylläpidon toteuttavat sivuston käyttäjät. Tutkielmani tarkoituksena on selvittää, miten redditin käyttäjät luovat yhteisöllisyyden tunnetta kielellisin keinoin aliredditeissa. Tutkimukseni kohteena on alireddit r/LiverpoolFC, joka on suunnattu Liverpoolin jalkapallojoukkueen faneill…