Search results for "Mathematica"
showing 10 items of 7971 documents
Firefly algorithm based upon slicing structure encoding for unequal facility layout problem
2019
Finding the locations of departments or machines in a workspace is classified as a Facility Layout Problem. Good placement of departments has a relevant influence on manufacturing costs, work in process, lead times and production efficiency. This paper analyses the problem of allocating departments with restrictions in terms of unequal area and rectangular shape within a facility, in order to minimize the sum of material handling costs taking into account the satisfaction of the aspect ratio requested. In particular, we propose for the first time a Firefly Algorithm based on the slicing structure encoding. The proposed method was tested comparing the results obtained from other authors on t…
Playing with Time in Digital Fiction
2015
The exceptional quality of digital fictions lies in their inherently dynamic nature, how they may be flexibly programmed to generate new content and alter the already existing contents. This adds a new temporal level, compared to traditional fictions. Digital games, especially, incorporate aspects of simulation and narration in their structure. As interactive and dynamic media form, games are specifically temporal in nature. They offer us the flexibility and preciseness of digital simulations, with the potential of psychologically engaging narrative qualities, which together open up a whole new field of experimenting with temporally dynamic media. Much of the new media fictions partake in a…
Assessment of Modelling Structure and Data Availability Influence on Urban Flood Damage Modelling Uncertainty
2014
Abstract In modelling application, different model structures may be equally reliable in terms of calibration ability but they may produce different uncertainty levels; moreover, available data during model calibration may influence the uncertainty linked to the predictions of the same modelling structure. In the present paper, Bayesian model-averaging was applied to several flood damage estimation models in order to identify the best model combination for urban flooding distribution analysis in Palermo city center (Italy). During the analysis, was taken into account the effect of the available data growth on the model uncertainty with respect to the different combination of models outputs.
The Use of Game World Tasks Concepts in Higher Education
2016
The link between tasks presented in games and tasks used in higher education might have more in common than we think. Analysing how tasks work in games and applying those structures to higher education teaching can enable teachers to develop more creative, situated and exciting tasks for their students. In addition, it can improve communication and feedback. Analysis shows that tasks are an area where elements of gamification work. This article looks into the possibility of reproducing the flexibility and key components of game tasks in actual tasks in higher education. We look at the challenges and limitations and ways to solve them. Therefore, we analyse the concept of quest-logs in games…
Do graphical overviews facilitate or hinder comprehension in hypertext?
2009
Educational hypertexts usually include graphical overviews, conveying the structure of the text schematically with the aim of fostering comprehension. Despite the claims about their relevance, there is currently no consensus on the impact that hypertext overviews have on the reader's comprehension. In the present paper we have explored how hypertext overviews might affect comprehension with regard to (a) the time at which students read the overview and (b) the hypertext difficulty. The results from two eye-tracking studies revealed that reading a graphical overview at the beginning of the hypertext is related to an improvement in the participant's comprehension of quite difficult hypertexts…
Integration of Pedagogical Knowledge in the Light of Questions about the Empirical Foundations of General Pedagogy and Understanding of the Concept o…
2018
The main purpose of the article is to show that the studies undertaken by pedagogues, regarding both the experimental foundations of pedagogy and generality, have some common points and that an in-depth reflection on those issues highlights the postulate to treat pedagogical knowledge in an integral manner. The first part presents the relationship between the issue of the empirical foundations of pedagogy and the problems of integrity of pedagogical knowledge; the second part – the relationship between the concept of generality and the problems of integrity, and the concluding part presents a proposed understanding of general pedagogy as integral pedagogy in which the approach towards both …
Spain: Putting the Pieces of the Sport System in Place — The Role of the Sport Federations
2017
This chapter examines the functions and characteristics of the Spanish sport federations, and the way in which their actions are driven by the principles of the National Sports Act. In order to do this, the chapter offers an overview of the Spanish sport system in terms of structure, steering, support and governance, as well as a reflection on how the traditional Spanish strong public culture is reflected in sport. Focusing on sport federations, the chapter explains the way in which they interact with the rest of the actors in the sport sector and it offers an analysis of their characteristics and functions. The chapter ends with a section that includes some strategies and perspectives stem…
The shape of eParticipation:Characterizing an emerging research area
2008
Author's version of an article published in Government Information Quarterly, 25 (2008), 400-428. Also available from the publisher at: http://dx.doi.org/10.1016/j.giq.2007.04.007 The phenomenon of eParticipation is receiving increasing attention, demonstrated by recent technology implementations, experiments, government reports, and research programs. Understanding such an emerging field is a complex endeavor because there is no generally agreed upon definition of the field, no clear overview of the research disciplines or methods it draws upon, and because the boundaries of the field are undecided. Using conventional literature review techniques, we identify 131 scientific articles consid…
Overload of Medical Documentation: A Disincentive for Healthcare Professionals
2020
This review addresses the theories concerning the development and functioning of medical bureaucracy creating an excess of the patient records. An ever-growing number of medical files comply with the typical development of the bureaucratic management of an entrepreneurial organization, an essential feature of which is the life cycle of documentation. When the life cycle ends, an update is created with a multiplication of forms and items to be filled out, resembling that of what happens with the outdated computer program. Yet medical records should have a logical and well-functioning structure using the language of computer science in the form of a cascade or evolutionary model. Further, we …
Traceable hierarchical attribute-based authentication for the cloud
2015
When data owners store their data on cloud servers, they may want to define the access requirements themselves, where attribute-based authentication (ABA) can be a good choice for the solution. In this paper, we propose a traceable hierarchical ABA (HABA) solution which fits two situations in the cloud. The first situation is when cloud users are organized in groups of a hierarchical structure and the access allowance can only be granted to users in a specific group. The second situation is that attributes are organized in a hierarchical structure with different priorities, such that only users who own the required attributes of a specific priority can be authenticated and access the data. …