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Journal of Statistics Applications & Probability Letters
An International Journal



Impact of Digital Libraries on Traditional Libraries (University Library Model)

Samira Bechka,
Abstract :
University libraries are among the facilities that play a prominent role in improving the university level on one hand and in promoting the development of scientific research on the other hand depending on the developments that were noticeable mainly in its functions and roles. These technological quick developments lead to a continued change in the programs and services of university libraries and consequently to the development of curricula; therefore, a bench of new contemporary trends emerged to be acquainted with the digital era, including electronic libraries. Of course, these would bring new areas of research to promote the development of digital libraries that would practically replace traditional ones. Hence, it would become forcibly an obligation to cope with the different changes in restoring information, retrieving it and even in documenting through using the latest methods to ensure accuracy and rapidity in getting relevant information. On this basis, this study targets to examine the effective contributions of the applications of electronic libraries in universities as educational institutions and their impact on traditional libraries.


The Rules of Electronic Scientific Publication, Electronic Book (E-Book) as a Model

Malki Hanane, Twil Fatiha,
Abstract :
Since the emergence of the social change formed by globalization and technological revolution in mass media and means of information and communication, which has the most direct and serious impact on various aspects of life, such as the social, economic, cultural and scientific aspects of life, especially the latter aspects which witnessed a profound transformation of the pattern of the dissemination of knowledge via various communication networks; so the paper library has been replaced by electronic library (e-library), especially after the provision of appropriate automated equipment, pursuant to the growing demand for the automated equipment by individuals, at the lowest cost, at the minimum period, at the minimum duration, in comparison with the large spaces and high costs required by paper libraries for works of printing and publication; However, in spite of the easiness and convenient costs of the electronic publication, it has rules and regulations subscribed to protect the rights of publishers in all electronic gates and websites; either the publication includes scientific, or cultural, or economic periodicals; or it includes electronic books (e-books) in in various fields or languages. In this scientific study, we seek to handle the most important rules of the electronic scientific publication, focusing on the electronic book (e-book) as a sample, in accordance with most policies of Arabic scientific publication.


The Exponentiated Gamma-Pareto Distribution with Application to Bladder Cancer Susceptibility

Ahmad Alzaghal,
Abstract :
In this paper, a new distribution, the exponentiated gamma-Pareto distribution is introduced and studied. Some existing distributions such as the gamma-Pareto and the exponentiated Pareto are special cases of the exponentiated gamma-Pareto distribution. Some of its properties, including distribution shapes, limit behavior, hazard function, Rényi and Shannon entropies, moments, and deviations from the mean and median are discussed. The method of maximum likelihood is used to estimate the exponentiated gamma-Pareto distribution parameters and a simulation study is carried out to assess its performance. The flexibility of the exponentiated gamma-Pareto distribution is illustrated by applying it to a real data set and the results compared with other distributions.


Comparison of redundant components allocation policies in series systems

Jiantian Wang,
Abstract :
Comparing different redundant components allocation policies in series systems is of great interest both in theory and in practice. This paper provides a simple criteria for comparing two policies in terms of reversed hazard rate ordering. We conjecture that this simple criteria is applicable in terms of likelihood ratio ordering, excepting some extreme situations. Computer simulations strongly support the conjecture.

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