3,832 research outputs found

    François Hollande is by no means certain to win the French Presidential election. He may yet fall foul of France’s well-known ‘Frontrunner Syndrome’, as Sarkozy’s fightback begins.

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    In the run up to France’s presidential election on 22 April opinion polls place President Nicolas Sarkozy on the back foot against the Socialist candidate François Hollande. Yet Rainbow Murray argues that the contest is far from over yet. Sarkozy can draw on his recent experience on the European and world stages, and Hollande must overcome historical trends where election frontrunners in France see their support fall dramatically in the immediate run up to Presidential elections

    A Factor Framework for Experimental Design for Performance Evaluation of Commercial Cloud Services

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    Given the diversity of commercial Cloud services, performance evaluations of candidate services would be crucial and beneficial for both service customers (e.g. cost-benefit analysis) and providers (e.g. direction of service improvement). Before an evaluation implementation, the selection of suitable factors (also called parameters or variables) plays a prerequisite role in designing evaluation experiments. However, there seems a lack of systematic approaches to factor selection for Cloud services performance evaluation. In other words, evaluators randomly and intuitively concerned experimental factors in most of the existing evaluation studies. Based on our previous taxonomy and modeling work, this paper proposes a factor framework for experimental design for performance evaluation of commercial Cloud services. This framework capsules the state-of-the-practice of performance evaluation factors that people currently take into account in the Cloud Computing domain, and in turn can help facilitate designing new experiments for evaluating Cloud services.Comment: 8 pages, Proceedings of the 4th International Conference on Cloud Computing Technology and Science (CloudCom 2012), pp. 169-176, Taipei, Taiwan, December 03-06, 201

    Building an Expert System for Evaluation of Commercial Cloud Services

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    Commercial Cloud services have been increasingly supplied to customers in industry. To facilitate customers' decision makings like cost-benefit analysis or Cloud provider selection, evaluation of those Cloud services are becoming more and more crucial. However, compared with evaluation of traditional computing systems, more challenges will inevitably appear when evaluating rapidly-changing and user-uncontrollable commercial Cloud services. This paper proposes an expert system for Cloud evaluation that addresses emerging evaluation challenges in the context of Cloud Computing. Based on the knowledge and data accumulated by exploring the existing evaluation work, this expert system has been conceptually validated to be able to give suggestions and guidelines for implementing new evaluation experiments. As such, users can conveniently obtain evaluation experiences by using this expert system, which is essentially able to make existing efforts in Cloud services evaluation reusable and sustainable.Comment: 8 page, Proceedings of the 2012 International Conference on Cloud and Service Computing (CSC 2012), pp. 168-175, Shanghai, China, November 22-24, 201

    Towards a Taxonomy of Performance Evaluation of Commercial Cloud Services

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    Cloud Computing, as one of the most promising computing paradigms, has become increasingly accepted in industry. Numerous commercial providers have started to supply public Cloud services, and corresponding performance evaluation is then inevitably required for Cloud provider selection or cost-benefit analysis. Unfortunately, inaccurate and confusing evaluation implementations can be often seen in the context of commercial Cloud Computing, which could severely interfere and spoil evaluation-related comprehension and communication. This paper introduces a taxonomy to help profile and standardize the details of performance evaluation of commercial Cloud services. Through a systematic literature review, we constructed the taxonomy along two dimensions by arranging the atomic elements of Cloud-related performance evaluation. As such, this proposed taxonomy can be employed both to analyze existing evaluation practices through decomposition into elements and to design new experiments through composing elements for evaluating performance of commercial Cloud services. Moreover, through smooth expansion, we can continually adapt this taxonomy to the more general area of evaluation of Cloud Computing.Comment: 8 pages, Proceedings of the 5th International Conference on Cloud Computing (IEEE CLOUD 2012), pp. 344-351, Honolulu, Hawaii, USA, June 24-29, 201

    More than a year after the presidential elections, France is still in search of a leader

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    A little over a year since being elected, French President François Hollande’s popularity in the polls has plummeted as the French economy continues to struggle. Rainbow Murray writes that while Hollande’s first year has been beset by scandals and disappointments, France’s main opposition party, the UMP, have their own share of problems following a divisive leadership contest between François Fillon and Jean-François Copé. She notes that the in-fighting within the UMP may yet pave the way for a political comeback from ex-president Nicolas Sarkozy

    French regional elections: failure for the Front National, but little to celebrate for the mainstream

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    France held the second round of its regional elections on 13 December. As Rainbow Murray writes, the key story to emerge from the election was the failure of the Front National to win in any of the French regions, following a strong showing in the first round of voting. She notes that while the second round will ultimately be regarded as a failure for the Front National, there remains little to celebrate for either the governing Socialist Party or Nicolas Sarkozy’s Republicans

    Paraphilias: definition, diagnosis and treatment

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    There is a great deal of controversy concerning paraphilia, and defining what is normal versus deviant or disordered, given that this is to some degree dependent on cultural views of acceptability. In this article, we outline these issues and describe recent progress in diagnosing and treating paraphilias
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