134,850 research outputs found

    Development of Payment System: Case of Central Bank in Bahrain

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    This study analyses the payment system of the Central Bank of Bahrain based on interviews with bankers in addition to distributing 70 questionnaires to seven banks. The study presents the historical development of the Central Bank of Bahrain and reviews related studies. The results show that the value relevance of the payment system is important and there are various new tools for implementing this system. Further, the analysis reveals that there is a need to develop the infrastructure to fit the needs of Bahrain as the financial capital of the Middle East

    Joint venture healthcare system as common practice in developing countries : game changing on assessing health services

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    To explore the essence of game changing on applying joint venture (JV) approach for healthcare system improvement in developing countries. This is cross-sectional study exploring the factors influencing the successful implementation of JV for the healthcare services in low- and middle-income countries (LMICs). The study included: Qatar Statistical Authority, CIA fact book, Ministry of Health Annual Report, Hamad Medical Corporation Annual Report, Organization for Economic Cooperation and Development information, and Qatar's healthcare system history. The research indicated that the LMIC healthcare system would benefit from affiliation with leading technology partner for healthcare reform. The findings support the view of LMIC healthcare systems' needs to incorporate joint venture approach in implementing JV concept for process improvement and knowledge transfer to contribute in country economic growth, development, and stability. Current study explored evidence supporting decision maker and management control of JV trends in different ways in comparison with developed countries. JV can also help the organization to share the risk and cost of large capital investment. The present study supports observations on expending the use of JVs as approach for improvement in LMIC healthcare system. The current study confirmed the advantages of JV which include helping businesses grow faster, increasing productivity, and generating greater profits, both parties sharing the risks and costs, accessing new markets and distribution networks. [Abstract copyright: Copyright: © 2020 International Journal of Preventive Medicine.

    On the Computational Complexity of Non-dictatorial Aggregation

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    We investigate when non-dictatorial aggregation is possible from an algorithmic perspective, where non-dictatorial aggregation means that the votes cast by the members of a society can be aggregated in such a way that the collective outcome is not simply the choices made by a single member of the society. We consider the setting in which the members of a society take a position on a fixed collection of issues, where for each issue several different alternatives are possible, but the combination of choices must belong to a given set XX of allowable voting patterns. Such a set XX is called a possibility domain if there is an aggregator that is non-dictatorial, operates separately on each issue, and returns values among those cast by the society on each issue. We design a polynomial-time algorithm that decides, given a set XX of voting patterns, whether or not XX is a possibility domain. Furthermore, if XX is a possibility domain, then the algorithm constructs in polynomial time such a non-dictatorial aggregator for XX. We then show that the question of whether a Boolean domain XX is a possibility domain is in NLOGSPACE. We also design a polynomial-time algorithm that decides whether XX is a uniform possibility domain, that is, whether XX admits an aggregator that is non-dictatorial even when restricted to any two positions for each issue. As in the case of possibility domains, the algorithm also constructs in polynomial time a uniform non-dictatorial aggregator, if one exists. Then, we turn our attention to the case where XX is given implicitly, either as the set of assignments satisfying a propositional formula, or as a set of consistent evaluations of an sequence of propositional formulas. In both cases, we provide bounds to the complexity of deciding if XX is a (uniform) possibility domain.Comment: 21 page

    Effects of intervention with the SAFE strategy on trachoma across Ethiopia.

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    BACKGROUND/AIMS: The impact of the SAFE strategy (surgery, antibiotics, face washing, environmental hygiene), recommended to eliminate blinding trachoma, is not well explored. We determined the operational effectiveness of the whole SAFE intervention package. METHODS: Analytical cross-sectional trachoma surveys were conducted in four program areas across Ethiopia before and after 3 years of intervention with the SAFE strategy. A total of 8358 children 1-9 years, 4684 people above 14 and 3572 households were assessed in the follow-up evaluations using methodologies recommended by the WHO. Effects were measured by comparing follow-up proportions with baseline estimates of four key indicators. RESULTS: Coverage was 36% for trichiasis surgery, 59% for antibiotic and 57% for health-promotion services. Prevalence of trachoma trichiasis (TT) decreased from 4.6% (95% CI: 3.6% to 5.8%) down to 2.9% (CI: 2.1% to 3.9%). Prevalence of trachoma inflammation-follicular (TF) dropped from 36.7% (33.9% to 39.6%) to 18.4% (CI: 15.4% to 21.8%). The proportion of unclean faces and households not using latrines fell from 72.8% (68.9% to 76.4%) and 74.5% (69.9% to 78.7%) down to 47.0% (CI: 43% to 51%) and 51.7% (47.2% to 56.2%), respectively. All the reductions related with antibiotic (TF), face washing (clean face) and environmental (latrine) components were statistically significant except for Surgery (TT). CONCLUSIONS: Considerable decline in the magnitude of trachoma and its risk factors was observed in areas where the SAFE strategy was implemented. The coverage of services should be maintained or improved in order to eliminate blinding trachoma by the year 2020

    Action for Rehabilitation from Neurological Injury (ARNI): A pragmatic study of functional training for stroke survivors

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    This article has been made available through the Brunel Open Access Publishing Fund. Copyright @ 2013 Cherry Kilbride et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.This study evaluated the effectiveness of a twelve-week community-based functional training on measures of impairment, activity and participation in a group of stroke survivors. Isometric strength of the knee musculature, Centre-Of-Pressure (COP) based measures of balance, Berg Balance Scale (BBS), 10 m walk test, and the Subjective Index of Physical and Social Out come (SIPSO), were recorded at baseline, post-intervention, and after twelve weeks (follow-up). Exercise instructors delivered training once a week in a group format at a community centre. Significant improvement was noted in the BBS (p < 0.002), and 10 m walk speed (p = 0.03) post intervention which remained unchanged at follow-up. Total SIPSO score improved significantly post-intervention (p = 0.044). No other significant differences and no adverse effects were observed. It is possible that functional training provided more opportunity for the improvement of dynamic aspects of balance control that could be captured by the BBS but not with the traditional measures of balance using COP data. Results also suggest positive effects on the level of participation, and lack of association between measures of impairment and activity. Community based functional training could be effective and used to extend access to rehabilitation services beyond the acute and sub-acute stages after stroke.London Borough of Hillingdo

    The Complexity of Human Walking: A Knee Osteoarthritis Study

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    This study proposes a framework for deconstructing complex walking patterns to create a simple principal component space before checking whether the projection to this space is suitable for identifying changes from the normality. We focus on knee osteoarthritis, the most common knee joint disease and the second leading cause of disability. Knee osteoarthritis affects over 250 million people worldwide. The motivation for projecting the highly dimensional movements to a lower dimensional and simpler space is our belief that motor behaviour can be understood by identifying a simplicity via projection to a low principal component space, which may reflect upon the underlying mechanism. To study this, we recruited 180 subjects, 47 of which reported that they had knee osteoarthritis. They were asked to walk several times along a walkway equipped with two force plates that capture their ground reaction forces along 3 axes, namely vertical, anterior-posterior, and medio-lateral, at 1000 Hz. Data when the subject does not clearly strike the force plate were excluded, leaving 1–3 gait cycles per subject. To examine the complexity of human walking, we applied dimensionality reduction via Probabilistic Principal Component Analysis. The first principal component explains 34% of the variance in the data, whereas over 80% of the variance is explained by 8 principal components or more. This proves the complexity of the underlying structure of the ground reaction forces. To examine if our musculoskeletal system generates movements that are distinguishable between normal and pathological subjects in a low dimensional principal component space, we applied a Bayes classifier. For the tested cross-validated, subject-independent experimental protocol, the classification accuracy equals 82.62%. Also, a novel complexity measure is proposed, which can be used as an objective index to facilitate clinical decision making. This measure proves that knee osteoarthritis subjects exhibit more variability in the two-dimensional principal component space

    The production of a non-homogeneous classical pion field and the distribution of the neutral and charged pions

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    The probability distribution dw/dfdw/df as a function of the ratio f=n0/ntotf=n_0/n_{tot} of the neutral to total multiplicities is calculated for the classical pion fields quickly varying in space and time.Comment: 6 pages, 1 .eps figure, using epsfig, submitted to Phys.Let
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