9 resultados para benchmark

em Universidade Federal do Rio Grande do Norte(UFRN)


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Diabetes Mellitus (DM) and osteoposes are chronic diseases with great socioeconomic consequences, mainly due to the late complications and consequent disabilities. The potential effects of DM on bone metabolism remain a very conroversial issue, and disagreement exists with regard to the clinical implications of diabetic osteopenia and the mechanism of its ocurrence. The issue is further complicated by the contribuicion of the especific factors, such as duration of disease an dthe degree of metabolic control. The objective of this study is to identify the osteopathy in children and adolescents with DM 1 assisted in the hospital of pediatrics, UFRN, through biochemical markers of bone and mineral metabolism and the extent of bone mineral density. The study was composed by 74 diabetics type 1 patients (DM1) of both gender and aged 6 to 20 yars. Normoglicêmic group was composed by 97 healthy subjects of both genders, which showed the same age range of DM1, in addition to same socioeconomic class. These individuals qere students from the networks of public education in the city of Natal-RN, randomly invited to paticipate in our study. Both groups DM1 and NG were divided intofour subgroups, according to the classification of tanner , T1, T2, T3, T4 for achieving a benchmark. Diabetic individuals showed up with a poor glycemic control. the group DN1 T4 showed an incresead value for total protein, albumin, urea and microalbumiuria are predictors of grumelura injury in DM1 patients . The total alkaline phosphatase activitywas kept on high levels for both groups because they are in a stature development age. For osteocalcin there were decreased levels for groups Dm1 T1, T2, and T3 when compared to their NG (s), suggesting that this decrease could be associated with reduction in the number and/or differentiation os osteoblasts thereby contributing to reducing bone formation. There were no changes in the activity of TRAP. The serum concentrations of total and ionized calcium, phosphorus and magnesium were included within the RV. It was observed that the BMD (Z- SCORE ) has always been within the RV for both groups, despite to DM1 T4. Taking all together, our results support the hypothesis that children and adolescents with type 1 DM present the risk in the long run to suffer a reduction in the bone mass, associated to poor glicemic control and disease duration. It could limit the bone growth and increase the probality of development of osteopenia, as well as other complications surch as retinopathy and renal failure

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This work aims to show that the protection of the employment relation is one of the determining factors to respect the principle of the human dignity. The goal is initially to show the devaluation of work from antiquity to the early twentieth century, when the constitutions began to standardize protective devices. This way, the consecration of the social labor rights in the Constitution of 1988 represents the culmination of the historical achievements. This work demonstrates that such rights can not be reduced or suppressed by political conveniences, once these rights are included in the list of immutable clauses. It is displayed that to achieve the fundamental right to work is not well advised to encourage the creation of jobs that maculates the worker s dignity. The outsourced work is, therefore, a classic example of the advancement of precarious forms of contemporary labor. It is inferred that the presence of various forms of harassment results in a degradation of working environment, bringing about dire consequences on professional and personal life of the worker. Thus, decent work must be the appropriate benchmark for the creation of new jobs. It is also shown that the flexibilization of the propaganda rights by certain pressure groups has as main goal to reduce or eliminate rights, based on fallacious data depicting an increase of competitiveness and jobs. In addition, the flexibility implies a growth of the precarization of the work - a reality felt by many workers subjected to such a situation due to the unemployment phenomenon whose origin is not in the protectionism of the norms. It is necessary to expand and structure the constitutionally legitimate institutions to monitor and curb the precarized work, as well as all practices that go against the dignity of the worker. It is also shown the loss of power of the sindicates in the last few years as a consequence of the pulverization workes and the capital attacks through the productive restructure whose outsourcings and privatizations are notorious examples

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This study discuss the issue on Clusters Global, the productive arrangement of fruits melon Mossoró/Baraúna in Rio Grande do Norte, located in the Potiguar semi-arid RN, is entered in the arket international level, the job serch, from the benchmark neo-schumpeterian, strongly condensed and absorbed in Brazil by focusing on Local Productive Arrangements set out by the Reseatch Netwoark on Sistemas Produtivos e Inovativos Locais (REDESIST), understanding the extent to which innovation efforts, and as interactions between the main actors that make up this APL in particular, account for its global insertion. The methodology includes the application of questions to the producers of melon arrangement as well as interviews with the main responsible for the support, promotion and financing. In conclusion, there is a significant interaction between producres and actors of the arrangement, a fact that contributes to the integration into the international market together with the implementation of relevant innovations. Finally, it is pointed out the need for public policies directed to the production of melon because of its relevance to the exports of Rio Grande do Norte

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This Master s Thesis deals with an analysis of the Regulatory Standards NR-9 e NR-13 on the perspective of occupational health and safety management systems (OHSMS) such as ILO deployed ILO/OSH-2001. Since the revamped OHSAS 18001:2007 complies with the ILO/OSH-2001 model it is used as benchmark to compare against the NR-9 and NR-13. The analysis suggests that the NR-9 has some important features present on the OHSAS 18001:2007 but lacks important others. The NR-13 turns out to be far from a modern model of OHSMS such as OHSAS 18001:2007 and a deep reformulation should be done in order to achieve the Brazil commitment with ILO to adopt OHSMS. Also, a small survey with companies with ISO 9000 certificates suggests that a NR-13 revised toward OHSMS would be welcome, but also that some more advanced issues present in ILO/OSH-2001 should be imposed by law in order to be achieved

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Reinforcement learning is a machine learning technique that, although finding a large number of applications, maybe is yet to reach its full potential. One of the inadequately tested possibilities is the use of reinforcement learning in combination with other methods for the solution of pattern classification problems. It is well documented in the literature the problems that support vector machine ensembles face in terms of generalization capacity. Algorithms such as Adaboost do not deal appropriately with the imbalances that arise in those situations. Several alternatives have been proposed, with varying degrees of success. This dissertation presents a new approach to building committees of support vector machines. The presented algorithm combines Adaboost algorithm with a layer of reinforcement learning to adjust committee parameters in order to avoid that imbalances on the committee components affect the generalization performance of the final hypothesis. Comparisons were made with ensembles using and not using the reinforcement learning layer, testing benchmark data sets widely known in area of pattern classification

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This paper analyzes the performance of a parallel implementation of Coupled Simulated Annealing (CSA) for the unconstrained optimization of continuous variables problems. Parallel processing is an efficient form of information processing with emphasis on exploration of simultaneous events in the execution of software. It arises primarily due to high computational performance demands, and the difficulty in increasing the speed of a single processing core. Despite multicore processors being easily found nowadays, several algorithms are not yet suitable for running on parallel architectures. The algorithm is characterized by a group of Simulated Annealing (SA) optimizers working together on refining the solution. Each SA optimizer runs on a single thread executed by different processors. In the analysis of parallel performance and scalability, these metrics were investigated: the execution time; the speedup of the algorithm with respect to increasing the number of processors; and the efficient use of processing elements with respect to the increasing size of the treated problem. Furthermore, the quality of the final solution was verified. For the study, this paper proposes a parallel version of CSA and its equivalent serial version. Both algorithms were analysed on 14 benchmark functions. For each of these functions, the CSA is evaluated using 2-24 optimizers. The results obtained are shown and discussed observing the analysis of the metrics. The conclusions of the paper characterize the CSA as a good parallel algorithm, both in the quality of the solutions and the parallel scalability and parallel efficiency

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This paperwork attempts to measure the project management maturity in the State Department of Taxation in Rio Grande do Norte. Project management has shown to be a critical component to any organization success, as the projects are directly related to a set of activities resulting into organizational innovations such as products, services and processes; and its improvement is directly aligned with the strategic management. Methodologically, this paperwork uses both a quantitative and qualitative approach that will be applied to the coordinators, sub-coordinators, and directors of the Regional Offices of the State Department of Taxation. In the theoretical reference it is about the public management and analyzes the strategic management in contemporary public administration. Presents the maturity in project management is by discussing the main models: CMM, Capability Maturity Model; PMMM, Project Management Maturity Model; OPM3, Organization Project Maturity Model and the Prado-MMGP, Modelo de Maturidade em Gerenciamento de Projetos. From this analysis, considering attributes as an aid in taking strategic positioning, access to the model, possibility of benchmarking and continuous improvement, the Prado-MMGP model was the most appropriate for this research process. It has been proved that the State Department of Taxation shows a very low project management maturity level. Regarding the acceptance of the maturity dimensions by the State Department, it is still in an early developmental stage, as one of the dimensions showed a poor performance while the rest showed a regular one. In contrast with similar organizations, the maturity results have shown to be below the national average. The maturity assessment enables in the institution the implementation of a plan for institutional growth with the creation of sector strategic and project management

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To the extent that the expansion of cities is increasingly pushing and segregating the working class to outlying areas, devoid of services and infrastructure, the urban space is also important as a space in the class struggle, and in this direction, the this study aims to analyze the political organization of urban social movements and popular organizations existing in Natal-RN, nowadays, in their process of struggle for social rights, with emphasis on the right to the city. With this dimension, we appropriate the contributions of historical and dialectical materialism because we believe that this benchmark enables the understanding of the processes of collective organization and a critical perspective of totality, going beyond its immediate appearance. For production data conducted literature, documentary and field, through semi-structured interviews recorded with (the) mapped leaders of organizations in our survey, as well as advisory bodies to the movements studied. The results of the study allowed us to characterize the action of the political movements in urban Christmas struggle for recognition and guarantee of the right to the city and seize the advances and obstacles in the process of intervention of social movements and popular organizations existing in Natal, highlighting dilemmas and contradictions underlie the processes of organization and mobilization in the contemporary period. Thus, we conclude that the Natal territory, as in contemporary Brazil, the urban and political action movements that show the public scene and intertwine necessarily relate to historical trend that has been performing since the 1990s, when the country entered a period marked by a new bourgeois offensive

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The use of clustering methods for the discovery of cancer subtypes has drawn a great deal of attention in the scientific community. While bioinformaticians have proposed new clustering methods that take advantage of characteristics of the gene expression data, the medical community has a preference for using classic clustering methods. There have been no studies thus far performing a large-scale evaluation of different clustering methods in this context. This work presents the first large-scale analysis of seven different clustering methods and four proximity measures for the analysis of 35 cancer gene expression data sets. Results reveal that the finite mixture of Gaussians, followed closely by k-means, exhibited the best performance in terms of recovering the true structure of the data sets. These methods also exhibited, on average, the smallest difference between the actual number of classes in the data sets and the best number of clusters as indicated by our validation criteria. Furthermore, hierarchical methods, which have been widely used by the medical community, exhibited a poorer recovery performance than that of the other methods evaluated. Moreover, as a stable basis for the assessment and comparison of different clustering methods for cancer gene expression data, this study provides a common group of data sets (benchmark data sets) to be shared among researchers and used for comparisons with new methods