76,840 research outputs found

    Towards a Humanistic Conception of Cyberspace. A Twofold Challenge for Netizens Mobilizing for a Democratic Internet Governance

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    Our paper critically addresses the involvement and the role of civil society entities in new participatory forms of governance, using the Internet governance (IG) debate as a case study. The Internet is first and foremost a global public space potentially available to everyone for the pursuit of the most heterogeneous interests. As this global space becomes crucial in everyday life and consequences of interests pursuit within it capillary innerve the offline dimension, new forms of governance are required to ensure that all stakeholders are represented and actively involved in the management and development of what can be conceptualized as a common pool resource (CPR). The commons of the Internet space and its service as a CPR necessitate the involvement of various competencies that are dispersed in intelligence networks to which private sector and civil society necessary belong. In particular, we examine the meaning and the potential for the inclusion of civil society entities in this debate in relation to the achievement of a universal (and not only global) Internet and the consolidation of a humanized conception of IG. To this end, we propose an analytical division of IG space in four sub-sectors (social commons; information and service commons; price commons; infrastructure commons) and we argue that civil society groups participation should be contextualized and actions modulated following this dissection of competence and eligibility spheres. Furthermore, the effort to achieve a democratic internet governance translates into a double challenge for civil society groups: on the one hand, occasions of direct influence must be fully exploited modulating actions in a way that overcomes the inherent heterogeneity characterizing public interests entities; on the other, a humanized vision has to be built up and consolidated in the IG field in order to provide a set of benchmarks dynamically interacting with market and traditional policy making logics. Finally, we will also explore the effect that the construction and the consolidation of a humanized perspective on IG will have in the translation of this domain from a mostly technical matter into a seed in an emerging field of contention built around information and communication issues.internet governance, common pool resource, civil society political participation, humanized conception of internet governance

    A Survey on Load Balancing Algorithms for VM Placement in Cloud Computing

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    The emergence of cloud computing based on virtualization technologies brings huge opportunities to host virtual resource at low cost without the need of owning any infrastructure. Virtualization technologies enable users to acquire, configure and be charged on pay-per-use basis. However, Cloud data centers mostly comprise heterogeneous commodity servers hosting multiple virtual machines (VMs) with potential various specifications and fluctuating resource usages, which may cause imbalanced resource utilization within servers that may lead to performance degradation and service level agreements (SLAs) violations. To achieve efficient scheduling, these challenges should be addressed and solved by using load balancing strategies, which have been proved to be NP-hard problem. From multiple perspectives, this work identifies the challenges and analyzes existing algorithms for allocating VMs to PMs in infrastructure Clouds, especially focuses on load balancing. A detailed classification targeting load balancing algorithms for VM placement in cloud data centers is investigated and the surveyed algorithms are classified according to the classification. The goal of this paper is to provide a comprehensive and comparative understanding of existing literature and aid researchers by providing an insight for potential future enhancements.Comment: 22 Pages, 4 Figures, 4 Tables, in pres

    Mapping Big Data into Knowledge Space with Cognitive Cyber-Infrastructure

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    Big data research has attracted great attention in science, technology, industry and society. It is developing with the evolving scientific paradigm, the fourth industrial revolution, and the transformational innovation of technologies. However, its nature and fundamental challenge have not been recognized, and its own methodology has not been formed. This paper explores and answers the following questions: What is big data? What are the basic methods for representing, managing and analyzing big data? What is the relationship between big data and knowledge? Can we find a mapping from big data into knowledge space? What kind of infrastructure is required to support not only big data management and analysis but also knowledge discovery, sharing and management? What is the relationship between big data and science paradigm? What is the nature and fundamental challenge of big data computing? A multi-dimensional perspective is presented toward a methodology of big data computing.Comment: 59 page

    Impact of multimorbidity count on all-cause mortality and glycaemic outcomes in people with type 2 diabetes: a systematic review protocol

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    Introduction: Type 2 diabetes (T2D) is a leading health priority worldwide. Multimorbidity (MM) is a term describing the co-occurrence of two or more chronic diseases or conditions. The majority of people living with T2D have MM. The relationship between MM and mortality and glycaemia in people with T2D is not clear. Methods and analysis: Medline, Embase, Cumulative Index of Nursing and Allied Health Complete, The Cochrane Library, and SCOPUS will be searched with a prespecified search strategy. The searches will be limited to quantitative empirical studies in English with no restriction on publication date. One reviewer will perform title screening and two review authors will independently screen the abstract and full texts using Covidence software, with disagreements adjudicated by a third reviewer. Data will be extracted using a using a Population, Exposure, Comparator and Outcomes framework. Two reviewers will independently extract data and undertake the risk of bias (quality) assessment. Disagreements will be resolved by consensus. A narrative synthesis of the results will be conducted and meta-analysis considered if appropriate. Quality appraisal will be undertaken using the Newcastle-Ottawa quality assessment scale and the quality of the cumulative evidence of the included studies will be assessed using the Grading of Recommendations, Assessment, Development and Evaluation approach. This protocol was prepared in adherence to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Protocols guidelines to ensure the quality of our review. Ethics and dissemination: This review will synthesise the existing evidence about the impact of MM on mortality and glycaemic outcomes in people living with T2D and increase our understanding of this subject and will inform future practice and policy. Findings will be disseminated via conference presentations, social media and peer-reviewed publication

    What are the top 10 physical activity research questions in schizophrenia?

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    Purpose: Research has only recently started to consider the applicability of physical activity (PA) for people with schizophrenia. Although there is increasing evidence for the benefits of physical activity, this population remains generally physically inactive and sedentary. The aim of the current study is to highlight 10 pertinent physical activity research questions in people with schizophrenia. Method: The International Organisation of Physical Therapy in Mental Health (IOPTMH) executed a consultation of its National Organisations (n=13) to identify the most salient questions relevant to guide clinical practice on physical activity in people with schizophrenia. Results: We identified the following 10 questions: (1) What are the benefits of physical activity for people with schizophrenia? (2) What are the mechanisms of the physical activity effects in people with schizophrenia? (3) What are the most prominent safety issues for physical activity prescription in people with schizophrenia? (4) What is the most optimal physical activity prescription for people with schizophrenia? (5) What are the key barriers for engaging people with schizophrenia in physical activity? (6) What are the most effective motivational interventions for physical activity adoption and maintenance in people with schizophrenia? (7) How do we translate physical activity research into clinical and community practice? (8) How can we ensure integration of physical therapists within the multidisciplinary mental health treatment team? (9) How can we prevent sedentary behaviour in people with schizophrenia? (10) What is the most appropriate physical activity assessment method in clinical practice? Conclusions: Addressing these questions is critical for developing evidence-based approaches for promoting and sustaining an active lifestyle in people with schizophrenia. Ultimately, achieving this will improve the quality of life of this population. Implications for Rehabilitation: · Investigation of behaviour change interventions for people with schizophrenia is critical · A low cost, easy to use, clinical, valid physical activity questionnaire is urgently needed
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