1,720,957 research outputs found
Infrastructure sharing for cellular Networks in Tanzania: a cost reduction analysis with game approach
No full textJournal articleInfrastructure sharing is a practical resource utilization strategy among mobile network operators
(MNOs). The rapid growth of data flow and technology migration has increased the costs for both
infrastructure deployment and management. Hence, to ensure effective resource utilization, researchers
propose a joint venture towers construction for the mobile network in Tanzania. Cost reduction
analysis for tower construction has been done through game theory. It has been observed that there
is significant cost saving by the MNOs sharing the infrastructure. Based on game theory, it was
found that 50% of the cost can be saved when the MNOs cooperate in tower construction, which in
turn improves services to the users and increase the network rollout to the remote area. In general,
network infrastructure sharing (NIS) benefits both operators and the public at large. The MNOs can
have a significant financial saving by avoiding the costs of construction or upgrading the overlapping
sites, consolidating the existing sites, and by reducing expenses related to rents, maintenance, and
transmission
Infrastructure sharing for cellular Networks in Tanzania: a cost reduction analysis with game approach
No full textJournal articleInfrastructure sharing is a practical resource utilization strategy among mobile network operators
(MNOs). The rapid growth of data flow and technology migration has increased the costs for both
infrastructure deployment and management. Hence, to ensure effective resource utilization, researchers
propose a joint venture towers construction for the mobile network in Tanzania. Cost reduction
analysis for tower construction has been done through game theory. It has been observed that there
is significant cost saving by the MNOs sharing the infrastructure. Based on game theory, it was
found that 50% of the cost can be saved when the MNOs cooperate in tower construction, which in
turn improves services to the users and increase the network rollout to the remote area. In general,
network infrastructure sharing (NIS) benefits both operators and the public at large. The MNOs can
have a significant financial saving by avoiding the costs of construction or upgrading the overlapping
sites, consolidating the existing sites, and by reducing expenses related to rents, maintenance, and
transmission
Adaptive cache server selection and resource allocation strategy in mobile edge computing
No full textJournal ArticleThe enormous increase of data traffic generated by mobile devices emanate challenges for both internet
service providers (ISP) and content service provider (CSP). The objective of this paper is to propose
the cost-efficient design for content delivery that selects the best cache server to store repeatedly
accessed contents. The proposed strategy considers both caching and transmission costs. To achieve the
equilibrium of transmission cost and caching cost, a weighted cost model based on entropy-weighting-
method (EWM) is proposed. Then, an adaptive cache server selection and resource allocation strategy
based on deep-reinforcement-learning (DRL) is proposed to place the cache on best edge server closer
to end-user. The proposed method reduces the cost of service delivery under the constraints of meeting
server storage capacity constraints and deadlines. The simulation experiments show that the proposed
strategy can effectively improve the cache-hit rate and reduce the cache-miss rate and content access costs
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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