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1.
Yacine Atif Jameela Al-Jaroodi Shayma Alkobaisi Ahmed Jaffar George Ditsa Piers Campbell 《Education and Information Technologies》2011,16(4):441-461
We present a curriculum that prepares students for supporting large Enterprise Information Systems (EIS). EIS is best explained
through the evolution of Enterprise Resource Planning (ERP). These systems evolved over the last years driven by (1) changing
business requirements and (2) new development capabilities provided by technologies evolution and software vendors’ innovation.
These developments led to a new discipline—Enterprise Information Systems, which deals with issues whose focus is on creating
and sustaining business benefits through the utilization of corporate IT infrastructure assets. Currently, EIS knowledge is
essentially acquired on the job after substantial time of experience building and longer career ladder scale. This paper presents
an experience of a curriculum implementation that prepares students for the pervasive EIS landscape in meeting today’s corporate
needs. Our IT-based educational approach is evaluated as an alternative to prevailing Business-based approaches to EIS instruction.
In this IT-rooted approach, the curriculum is divided into four sections: a Core IT block of courses followed by two progressive-levels
of advanced EIS-related specialized subjects, and an industry-oriented field-training experience. Initially, a Core IT background
provides a foundation for IT innovation in developing EIS components at sophomore-level. A junior-level of specialized instruction
introduces integrated modules which form EIS platforms. Finally, supporting technologies of EIS-related processes and workflows
are presented at senior-level of specialized EIS instruction. An assessment case study of the proposed Enterprise System programs
is carried out through which we discuss the results of the curriculum performance. 相似文献
2.
Muslim athletes should fast from sunrise to sunset each day throughout the 30 days of Ramadan. Most athletes will continue to train throughout Ramadan, and they may also be required to compete at this time, but they will also engage in the religious, cultural, and social activities that Ramadan represents. The available evidence indicates that high-level athletes can maintain performance during Ramadan if physical training, food and fluid intake, and sleep are appropriate and well controlled. Individualized monitoring of athletes may help to prevent fatigue and overtraining and to reduce the risk of consequent illness and injury. The timing and intensity of training may require adjustment to optimize the training response, and training close to or after sunset may have advantages, but this will vary between individual and team sports and between environments that are predominantly Muslim and those that are predominantly non-Muslim. Training late in the day allows nutrition interventions after training to promote adaptations to the training stimulus, to promote recovery, and might help to reduce muscle damage. Sleep deficits have a number of adverse effects on well-being and performance, and athletes should ensure adequate sleep throughout Ramadan. In non-Muslim majority environments, especially in team sports, coaches and athletes should be sensitive to the needs of their team-mates who may be fasting. Event organizers should take account of the needs of Muslim athletes when scheduling the dates and timings of sports competitions. 相似文献
3.
Hamdi Echeikh Ramzi Trabelsi Atif Iqbal Med Faouzi Mimouni 《Journal of The Franklin Institute》2018,355(5):2112-2141
High performance multiphase motor drive requires precise knowledge of the state quantities and the machine parameters. Access to these state quantities is through measurement using sensors whose accuracy is paramount to achieve the performance level required by industrial applications. However, the problems of the parameters variations, inaccessibility to the measurement of some states, no-observability of the machine in some regions, the cost of the sensors and their lack of precision, make this very difficult task. To address these problems, it is necessary to resort to soft sensors through the design of observers and estimators. In multiphase induction motor drive, the observation problem arises especially for rotor flux that is not accessible for measurement. About the parameters variations, the rotor resistance and the stator resistance are the most critical parameters of the machine because their influence is crucial for the control and observation. The change in the resistances can be as large as 40–50% of the rated value, which may affect the control adversely. This paper develops a new structure of an adaptive sliding mode observer based on an online estimation of the rotor resistance value in order to avoid the effect of its variation in the rotor flux oriented control. The results show convergent (the errors in the transient and steady states are 5% and 1%, respectively) behavior of the drive using the proposed control scheme for large rotor resistance variation under loaded condition. The stability of the drive is proved using Lyapunov criteria. The simulation results are validated using real time implementation. 相似文献
4.
The development of the publishing industry for children and young adults is very recent in Morocco. Indeed it was in the 1980s
that people became aware of its importance for future generations. The first national publications were mainly in Arabic language,
stories were very short, books were of paperback format and the subjects were very much dominated by moral, social and religious
didacticism. In the late 1990s, publishers started being more and more concerned with the appearance of the book (size, cover,
illustrations, topic, etc.) and there are nowadays two publishers specialized only in children’s books—Yanbow al Kitab and
Yomad—who produce books that respond to international norms. They are both very active in promoting reading and especially
allowing children from disadvantaged social backgrounds to have access to books, price being a main constraint for those children.
But there is still a lack of publishers specialized in children’s books in Morocco (two publishers for the whole country),
not enough pleasant reading spaces and no real government policy to allow mass access by making books cheaper. 相似文献
5.
How learners can build their own knowledge, which is precisely tailored to their needs and background? This is precisely the question to which this paper attempts to answer by providing a framework for a flexible object-based e-learning environment. The paper recognizes that the general learner modeling alternative is an intractable problem. However, it suggests learning objects construct used as building blocks to root out individual learning deficiencies. The paper also provides an algorithm to construct individual learning routes that are adjusted to learners' profile as well as an open implementation to accommodate the integration of various learning sources. 相似文献
6.
Alsudais Ali S Alghamdi Abdullah S Alharbi Abdullrhman A Alshehri Atif A Alzhrani Mustafa A Keskin Sinan Şahin Muhittin Althubaiti Alaa M 《Education and Information Technologies》2022,27(6):8189-8201
Education and Information Technologies - During the ongoing coronavirus disease 2019 pandemic, over 1.5 billion students worldwide have been deprived of access to traditional learning.... 相似文献
7.
Islam is a monotheistic Abrahamic faith characterised by devotional orthopraxy. The actions expected of followers of Islam are closely prescribed in the Qur'an. Muslims understand Ramadan as a mandatory requirement, excused only in the event of illness, infirmity or extremes of age. Due to the increasing popularity of football among Muslims, more and more Muslim football players of all levels make the decision to follow the Ramadan fast while they need to practise and compete. Sports medicine clinicians and scientists have the responsibility to provide them with the knowledge and evidence on how exactly Ramadan fasting impacts on their performance and how to optimise their eating, drinking and sleeping in order to minimise negative effects of their religious practice, should any have been demonstrated. The first International Federation of Football Associations (FIFA) Medical Assessment and Research Centre (F-MARC) study concluded that biochemical, nutritional, subjective well-being and performance variables were not adversely affected in young male national level players who followed Ramadan fasting in a controlled environment. Match performance was however not measured and the study did not include elite level players, leading to the Ramadan consensus meeting in order to answer the remaining questions. The conclusions and recommendations published in this supplement suggest that the best coping strategies will remain individual - as is the choice to fast. 相似文献
8.
9.
Yao Zhang Ben Yang Atif Ghafoor Yang Zhang Yu-Fan Zhang Rui-Pu Wang Jin-Long Yang Yi Luo Zhen-Chao Dong J G Hou 《国家科学评论(英文版)》2019,6(6):1169
The strong spatial confinement of a nanocavity plasmonic field has made it possible to visualize the inner structure of a single molecule and even to distinguish its vibrational modes in real space. With such ever-improved spatial resolution, it is anticipated that full vibrational imaging of a molecule could be achieved to reveal molecular structural details. Here we demonstrate full Raman images of individual vibrational modes at the ångström level for a single Mg-porphine molecule, revealing distinct characteristics of each vibrational mode in real space. Furthermore, by exploiting the underlying interference effect and Raman fingerprint database, we propose a new methodology for structural determination, which we have called ‘scanning Raman picoscopy’, to show how such ultrahigh-resolution spectromicroscopic vibrational images can be used to visually assemble the chemical structure of a single molecule through a simple Lego-like building process. 相似文献
10.
Yacine Atif 《Education and Information Technologies》2011,16(3):259-279
There has been numerous developments in education disciplines, which set fundamental approaches to support experiential learning
indexes. On the other hand, learning technology research efforts have been largely focusing on containing education into reusable
templates. This paper elevates this reusability quest to map advocated patterns of learning which have proven their pedagogical
effectiveness, to guide domain learning-providers meeting dynamic learning profiles. In doing so, we identify sound techniques
for learner-profiling based on recommended standards and propose an integration of learner attributes into a learning design
model which encapsulates best practice instructional patterns. Taking their roots from behavioral learning discipline, these
learning patterns mold contents as a separate process in learning production workflows. The goal of this paper is to form
pedagogical pattern specification and design courseware by composing patterns. We suggest a semantic Web implementation of
the proposed learning design approach and evaluate its usability and learning performance based on a prototyped framework. 相似文献