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Manufacturing Cells Formation Based on Graph Coloring  [PDF]
José Francisco Ferreira Ribeiro
Journal of Service Science and Management (JSSM) , 2010, DOI: 10.4236/jssm.2010.34056
Abstract: A method for cellular manufacturing design in Group Technology is presented in this paper. The proposed method computes the dissimilarities between parts and organizes the production system in part-families and group-machines. A graph corresponding to the production system is generated and a coloring algorithm is activated in order to obtain a number of cells equal to the desired number of cells. The corresponding program was written in Matlab language and runs on a microcomputer. The results obtained on several examples found in the literature are consistently equivalent to or even better than those hitherto proposed, in terms of inter-cell moves and dimensions of the cells.
Spacial and Temporal Variation of Degradation of Organic Matter by Benthic Macroinvertebrates  [PDF]
Ana Ribeiro, Natividade Vieira
Journal of Environmental Protection (JEP) , 2013, DOI: 10.4236/jep.2013.411A001
Abstract:

Leaf litter input from riparian landscapes has been identified as both a major energy flow to stream ecosystems and as a food source for stream macroinvertebrates. In this study the benthic macroinvertebrate community was used to evaluate the decomposition of organic matter in river systems. The aim of this work was to study the decomposition of organic matter using the benthic macroinvertebrate colonization. The research was developed over five months (January 2011 to May 2011) in four different sites, distributed along the River Ferreira terminal area, northern Portugal. A litter bag experiment was used to examine the role of macroinvertebrate communities in the processing of organic material on the river. Litter bags were placed in the water and collected every 7, 15, 30, 60, 90 and 120 days. In litter bags was observed a high abundance of Oligochaeta and Chironomidae, which are characterized by being detritivorous-herbivores and filtering collectors, respectively, indicating the benthic macroinvertebrate more involved on the decomposition of organic matter. These results contributed to increase current knowledge about benthic macroinvertebrate communities and may serve as incentive for future research works.

Economic Aspects of Omnipotence  [PDF]
Francisco Carlos Ribeiro
Theoretical Economics Letters (TEL) , 2014, DOI: 10.4236/tel.2014.43024
Abstract: This article purposes that omnipotence feelings are the best issue to explain the relationship between ostentation and socio-economic behavior. According to my propositions, we would better comprehend the mechanisms of ostentation in our society, and its consequences not only to the economy, but also to income redistribution initiatives, if we understand the interaction among omnipotence, commodity fetishism concepts and cultural values. The article also purposes in this direction, to measure the commodity fetishism degree as a valuable tool for economics.
Exploration of an Agentic Construct that Impacts Health Behaviors in General Population  [PDF]
José L. Pais-Ribeiro
Psychology (PSYCH) , 2012, DOI: 10.4236/psych.2012.39106
Abstract: Hope is defined as the perceived capability to derive pathways to desired goals. The aims of the present study are to discuss hope as a self-regulation construct. Method: The study includes a convenience sample of 615 individuals from the community, 51.1% females. They fill a questionnaire that includes demographic information, disease behavior, health satisfaction, quality of life, and the Hope Scale. Results: Results suggest a statistically significant relation between hope and outcomes of good health. Conclusions: We can conclude that hope, especially agency thinking, can be an interesting variable to be considered in studies about subjective aspects of health.
Historical Details on Freud and the Moral Order Foundations of Societies  [PDF]
Gabriel Mithá Ribeiro, Luca Bussotti
Advances in Historical Studies (AHS) , 2014, DOI: 10.4236/ahs.2014.35021
Abstract: Freud considered that, in the beginning, the idea of society resulted from the moral order imposed by a totemic ideal generated by feelings of guilt and remorse motivated by the parricide of the founder of the community. Since the substance of the process has persisted in reinventions of social identities throughout history, from this assumption the article interprets the foundations of the moral order in postcolonial African societies, whose origins date back to pre-colonial African heritage, European colonial legacies and reactive historical phenomena of independence. While Freud’s ideal type focuses on the sense of collective guilt, the authors’ empirical approach highlights the historical relevance of the ideal of victimization in the twentieth century.
Espa?o e técnica como estruturas do cotidiano: capítulos Braudelianos da história do pensamento geográfico
Ribeiro, Guilherme;
Investigaciones geográficas , 2011,
Abstract: from the first two volumes of the trilogy civilisation matérielle, économie et capitalisme (1979) -les structures du quotidian and les jeux d'échange- written by french historian fernand braudel (1902-1985), the purpose of this article is to discuss how he articulated the geography and history. linking geographical space and historical time and seeing the space as structure and technique as a means, you can take stock of the introductory meetings and disagreements between the geographical thought and historiography in the twentieth century.
Exclus?o e educa??o social: conceitos em superfície e fundo
Ribeiro, Marlene;
Educa??o & Sociedade , 2006, DOI: 10.1590/S0101-73302006000100008
Abstract: this paper approaches the relationship between exclusion and social education. it aims at bringing out elements that lead to discuss reality and conceptions of social exclusion/inclusion and social education to dis-close the ideologies and interests that inform them. it develops the hypothesis that some kind of dispute between contradictory social and educational projects have resulted in strategies to fight exclusion and promote inclusion that are based on social education practices, as a response to the public social policies claimed by children and young people at risk. problemizing these concepts - exclusion and social education - may bring some contributions to the formulation of public education policies.
Exclus?o: problematizando o conceito
Ribeiro, Marlene;
Educa??o e Pesquisa , 1999, DOI: 10.1590/S1517-97021999000100004
Abstract: this work results from questions raised by the research project "pedagogy of hope in popular social movements: perspectives for work, politics and education envisaged by ?movimento dos sem terra? - mst (movement of landless people)"carried out by the federal university of rio grande do sul. in this paper the use of the category ?exclusion? is problematized with the purpose of assessing its potential to identify the ability of the popular social movements to break with processes of social exclusion and to find alternatives for work, social relationships and education. two possible uses of this category are the one made by marx when retracing the genesis of the capital versus work relationship, and the exposure of poverty and intolerance as the ingredients of the "new social issue". the ?culturalist bias?, the affiliation to the sociology of durkheim and the conceptual vagueness, however, set limits to the category which thereby can not reach an understanding of poverty and unemployment as produced by the class struggle. therefore, it can not apprehend popular social movements as producers of collective alternatives for work, society and education.
Educa??o para a cidadania: quest?o colocada pelos movimentos sociais
Ribeiro, Marlene;
Educa??o e Pesquisa , 2002, DOI: 10.1590/S1517-97022002000200009
Abstract: the article problematizes the relationship between citizenship and the education of the popular classes. it has as its goal to establish a dialogue in space and in time with the concept of citizenship, attempting to verify if the latter concept has contents to contribute to the education of the popular classes, and what are its limits and possibilities that must be made clear in order to give visibility and room to new concepts and practices. to fulfill this goal the concepts of citizenship and education are immersed in history and philosophy or, more specifically, in the conditions for the constitution of a citizen, whose analysis results in the education necessary for such constitution. the contradictions exhibit the possibilities and limits of education as the main road to citizenship, as well as the fact that popular social movements create new forms of producing, living together, and educating themselves. in this process, social movements gestate new concepts whose contents, characterized by practices of cooperation and solidarity, seem to envisage social emancipation in a sense broader than that proposed by the formal principles of freedom and equality upon which the bourgeois citizenship rests. thus, popular social movements also broaden the horizon of education beyond citizenship.
Pedagogia da alternancia na educa??o rural/do campo: projetos em disputa
Ribeiro, Marlene;
Educa??o e Pesquisa , 2008, DOI: 10.1590/S1517-97022008000100003
Abstract: the article focuses on the rural/country education developed inside popular social movements. it deals with the experiences of the cfrs - casas familiares rurais (rural family houses) and efas - escolas famílias agrícolas (agricultural family schools) linked to rural workers unions, non-governmental organizations and community associations. it also deals with the experiences of the fundep - funda??o de desenvolvimento, educa??o e pesquisa da regi?o celeiro (foundation for the development, education and research of the celeiro region) and of the iterra - instituto de capacita??o e pesquisa da reforma agrária (institute for training and research of the land reform), both linked to the via campesina-brasil (campesino way - brazil). the objective is to capture, in the experiences of formation that articulate labor and education carried out by these movements and organizations, the contradictions expressed in the practices/conceptions of the pedagogy of alternating. these contradictions have the potential to shed light on the projects of society envisaged by the collective subjects that build their pedagogical proposals upon the relation between productive work and schooling. in this sense, the pedagogy of alternating can point to a work-education relation of a new kind, based on cooperation and self-management. it can nevertheless, also mean forms of control of social tensions, signaling with the possibility of the rural worker remaining in the land, as well as of masking unemployment by alternating professional education and paid apprenticeships through alliances with companies, which then become agents of formation.
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