bluuebunny/crossref_metadata_2025 huggingface dataset:
Auto-amputation in a severe depressive episode with psychotic symptoms: case report
Authors: Jachimowski Askaniusz , Beil- Gawełczyk Julia , Trędzbor Beata
Published: March 2018

A 56-year old patient was admitted initially to the Department of Orthopaedic Surgery and Traumatology after self-mutilation of upper-left limb in the form of exarticulation of left wrist and broad injuries of left forearm. Patient was afterwards transferred to the Department of Psychiatry and Psychotherapy. She was diagnosed with recurrent depressive disorder, severe episode with psychotic symptoms. Therefore, the electroconvulsive therapy was carried out. Twelve procedures were performed with good result. Psychopharmacology was continued. Patient's past medical history revealed information about a significant reduction of neuroleptics. Limited contact with the patient and unfamiliarity with individual characteristics of psychosis relapse was the reason why psychotic symptoms were not recognised.
Revolving Rating Analysts and Ratings of Mortgage-Backed and Asset-Backed Securities: Evidence from LinkedIn
Authors: Jiang John (X.) , Wang Isabel Y. , Wang K. Philip
Published: March 2018

This study examines whether revolving rating analysts who transition from major rating agencies to issuers are associated with any rating inflation in the issuers’ mortgage-backed securities (MBS) or asset-backed securities (ABS). Using professional profiles posted on LinkedIn to identify revolving rating analysts with structured finance rating experience, we find that the more the issuers employ such analysts, the more likely that ratings of issuers’ MBS and ABS new issuances are inflated compared with otherwise similarly rated securities. Additional analyses show that the impact of revolving rating analysts is more pronounced in complex deals and when the revolving analysts are more senior, indicating that rating expertise in structured finance may play a role in MBS and ABS rating inflation. Finally, we find that at least for AAA-rated MBS and ABS, investors fail to see through the rating inflation associated with revolving rating analysts.

The online appendix is available at https://doi.org/10.1287/mnsc.2017.2921 .

This paper was accepted by Shivaram Rajgopal, accounting.
Ο ρόλος της Φωνολογικής Ενημερότητας στο πλαίσιο της Ειδικής Αγωγής στην Ελλάδα
Authors: Theodorópoulos Emíl
Published: March 2018

The school can be considered as the first well-organized educational entity that a person comeinto contact from his early life. It assumes, in addition to education, an equally important part ofa child’s life that has to do with socialization. To achieve its purposes, teachers prepare apatterned, time-structured and methodical program, in the early stages of which is included theconquest of the language system, through the reading and writing process, what is well knownas literacy. Recent studies have argued that language proficiency is not inherently generated butmethodically and gradually achieved, and more precisely when a person has achieved whatscientists and educators define as, phonological awareness.In this paper we will attempt a general description of the terms learning difficulties andphonological awareness, and focusing on a learning disability, dyslexia, we will examine howphonological awareness can influence the literacy process of dyslexic individuals.
AS EXPRESSÕES DO PÁTHOS NO FRAGMENTO 31 (PAGE), DE SAFO
Authors: Nogueira Ricardo De Souza
Published: March 2018

A proposta deste trabalho é discorrer sobre algumas possibilidades de análise do poemade Safo conhecido com Fragmento 31 (Page), mais precisamente, sobre as construçõesde expressões amorosas presentes na obra. Considera-se possível, em meio aosproblemas constantes no texto, extrair do poema seus significados essenciais, que sãoinerentes ao tema do páthos amoroso tão recorrente na obra da poetiza. O estudoapresenta ainda uma proposta de tradução do poema em pauta e uma análise de suaestrutura. Para tanto, utilizou-se o texto grego editado por Page, assim como oscomentários e a interpretação que esse helenista faz a respeito da obra.
A presença de Dioniso nas taças de vinho kylikes decoradas com grandes olhos monumentais do período arcaico dos gregos
Authors: Candido Maria Regina
Published: March 2018

O conjunto de vasos em terracota no formato de kylix detém a função social de taça para beber vinho que, provavelmente, circulava junto aos simposiastas nos banquetes.  Acredito que ao final da festa as taças eram depositadas no santuário do deus Dioniso. A aparência das kylikes que selecionamos detém a peculiaridade de simular uma face devido à presença de dois grandes pares de olhos.
Ritmo em Aristóxeno
Authors: Gouvêa Artur
Published: March 2018

Este trabalho apresenta pesquisa, tradução e comentários sobre o texto Elementos de ritmo, escrito pelo antigo estudioso da música Aristóxeno de Tarento, com o intuito de elucidar questões concernentes aos termos por ele utilizados para descrever os fenômenos musicais relacionados à organização do tempo e, consequentemente, aos agrupamentos das durações, tentando traçar um paralelo entre a forma de responder a esses fenômenos no período antigo e hodiernamente. Para tal, tentar-se-á localizar de forma suscinta Aristóxeno no contexto de seu tempo e provocar discussões a partir de excertos traduzidos do texto grego estabelecido por Christopher Marchetti que evidenciarão o choque entre o discurso antigo, presente no texto de Aristóxeno, e o discurso que parte da vivência contemporânea particular do autor deste documento.   Palavras-chave: Aristóxeno - Música - Ritmo
O Surgimento da Retórica e sua Evolução até Aristóteles
Authors: De Carvalho Elisa Costa Brandão
Published: March 2018

Este artigo tem por finalidade traçar um panorama acerca do surgimento da retórica, do seu desenvolvimento, da sua importância no cotidiano e na educação do cidadão grego e da sua relevância na literatura da época. Abordaremos, também, a sua evolução a partir do século V a. C. com os sofistas até o advento de um tratado sobre retórica que, até hoje é o marco nos estudos da arte de persuadir, Arte Retórica de Aristóteles.
A função do mito de Filotetes na peça homônima de Sófocles
Authors: Rosa Alexandre
Published: March 2018

Na peça Filoctetes, Sófocles utilizou-se de um assunto bastante restrito, ocorrido em contexto homérico, para destacar valores e conceitos da sociedade ateniense do século V a. C. Como se sabe, a matéria-prima utilizada na tragédia era o mito, completamente estilizado e muitas vezes alterado para adaptar-se ao contexto da pólis democrática. O objetivo desse trabalho é mostrar de que maneira Sófocles justapôs o mito de Filoctetes, atualizando os pontos de referência para ensejar, ao que parece, uma discussão apropriada entre os seus espectadores.
Current and future perspectives in autoimmune hepatitis
Authors: Theocharidou Eleni , Heneghan Michael A
Published: March 2018

Autoimmune hepatitis occurs in genetically susceptible individuals as a result of loss of immunological tolerance to hepatic autoantigens that can be precipitated by environmental triggers. The clinical manifestation is usually insidious but can be also acute with liver failure. The diagnosis is made on the basis of antibody positivity, elevated immunoglobulin G levels and interface hepatitis on liver histology. Induction of remission is achieved with high-dose steroids in the majority of cases, and maintenance of remission with azathioprine. Treatment withdrawal is achievable only in a small proportion of patients. Patients with acute liver failure unresponsive to steroids or those with end-stage liver failure or hepatocellular carcinoma may require liver transplantation. Variant forms of overlapping autoimmune hepatitis with either primary biliary cholangitis or sclerosing cholangitis are associated with worse outcomes. New insights into the pathophysiology of the disease may provide novel therapeutic targets and a more individualized approach to treatment of autoimmune hepatitis.
Lungworm in cattle: epidemiology, pathology and immunobiology
Authors: Forbes Andrew
Published: March 2018

The bovine lungworm, Dictyocaulus viviparus, causes disease in all ages of cattle and in addition to having a self-evident effect on animal welfare, it can have a considerable economic impact at farm level, even with subclinical infections. While most clinical cases are seen in cattle at pasture from July until housing, occasional outbreaks occur in housed cattle that have been infected previously at grass, or occasionally from infections acquired from forage or low-level cycling in straw yards. While the overall seasonal pattern of infection is consistent over large temporal and spatial scales, there is marked year-to-year and within season variability in the number of cases seen at both regional and farm levels. This relative unpredictability can bring uncertainty to decisions on control. In order to be able to provide sound, evidence-based advice on treatment and control to farmers, it is important that clinicians grasp important, practically relevant aspects of lungworm biology, pathology, immunity and epidemiology: the aim of this article is to do just that. A second article describes and analyses the options for prevention and treatment of husk, based on this knowledge.
The memory and historiography of the First World War in Italy
Authors: Ferrari Paolo
Published: March 2018

La memoria y la historiografía de la Primera Guerra Mundial en Italia se puede dividir en cuatro amplios periodos. Durante el periodo inmediato a la posguerra (1918-1922) el debate se concentró primordialmente en aspectos tales como la derrota italiana en Caporetto en 1917, los costes de la guerra humanos y materiales y el tratado de paz. En las décadas subsiguientes (1922-1960) el fascismo se presentó como el heredero de la guerra, convirtiéndose en un elemento fundamental de la identidad nacionalista así como parte de los ritos del régimen. Esta interpretación nacionalista y fascista del conflicto sobrevivió en muchos aspectos hasta los comienzos de los años 1960. Las visiones de la guerra se revisaron subsecuentemente a lo largo de los siguientes veinte años (1960-1980). Las nuevas tendencias culturales de estas décadas generaron una historia del conflicto desde abajo, abarcando las experiencias de los soldados italianos, vistos en muchos casos como víctimas de la maquinaria militar. La historiografía se centró en su oposición a la guerra, incluyendo casos de indisciplina y crisis nerviosas. En tiempos más actuales (1980-2014) estas tendencias continúan y emergen nuevos estudios, pero aún están bastante desatendidos múltiples aspectos de la guerra, incluyendo el frente interno y el contexto internacional (los enemigos de Italia inclusive). Además, aunque hay un vivo interés público en la Primera Guerra Mundial en la Italia noreste, que fue el escenario de operaciones, el periodo 1915-1918 posiblemente forma parte de un pasado remoto para la mayor parte de los italianos.
La Séptima Gran Cosmovisión: Mecánica Cuántica y Universo Consciente
Authors: Castilla Adolfo
Published: March 2018

Se aborda en este trabajo un tema tan antiguo y general, pero al mismo tiempo tan actual, como las diferencias y posibles relaciones entre la materia y el espíritu. Se hace a través de la consideración de fenómenos como las «cosmovisiones», o interpretaciones generales de lo que es nuestro mundo y lo que los hombres hacemos en él, surgidos periódicamente en la humanidad como consecuencia de grandes descubrimientos y grandes teorías explicativas de la naturaleza de nuestro universo, incluyendo al hombre dentro de él. Sugerimos que estamos entrando en la séptima cosmovisión y la definimos en términos generales. El perfeccionamiento de la especie humana fisiológica y mentalmente puede que sea uno de los resultados concretos a los que pueden dar lugar las nuevas interpretaciones y los cambios tecnológicos que las acompañan, así como la utilización de la Inteligencia Artificial Fuerte y la creación de robots humanoides y «máquinas espirituales». Más importante que todo ello, y a lo que especialmente nos referimos, es el hecho de que la nueva etapa del hombre ante la que estamos, puede caracterizarse por un mayor papel del espíritu, la consciencia, y la subjetividad en la marcha de nuestro mundo, algo a lo que contribuyen las nuevas concepciones relacionadas con la Mecánica Cuántica y con la posibilidad de existencia de un Universo Consciente.
Fractone Bulbs Derive from Ependymal Cells and Their Laminin Composition Influence the Stem Cell Niche in the Subventricular Zone
Authors: Nascimento Marcos Assis , Sorokin Lydia , Coelho-Sampaio Tatiana
Published: March 2018

Fractones are extracellular matrix structures in the neural stem cell niche of the subventricular zone (SVZ), where they appear as round deposits named bulbs or thin branching lines called stems. Their cellular origin and what determines their localization at this site is poorly studied, and it remains unclear whether they influence neural stem and progenitor cell formation, proliferation, and/or maintenance. To address these questions, we analyzed whole-mount preparations of the lateral ventricle of male and female mice by confocal microscopy using different extracellular matrix and cell markers. We found that bulbs are rarely connected to stems and that they contain laminin α5 and α2 chains, respectively. Fractone bulbs were profusely distributed throughout the SVZ and appeared associated with the center of pinwheels, a critical site for adult neurogenesis. We demonstrate that bulbs appear at the apical membrane of ependymal cells at the end of the first week after birth. The use of transgenic mice lacking laminin α5 gene expression (Lama5) in endothelium and in FoxJ1-expressing ependymal cells revealed ependymal cells as the source of laminin α5-containing fractone bulbs. Deletion of laminin α5 from ependymal cells correlated with a 60% increase in cell proliferation, as determined by phospho-histone H3 staining, and with a selective reduction in the number of slow-dividing cells. These results indicate that fractones are a key component of the SVZ and suggest that laminin α5 modulates the physiology of the neural stem cell niche.

SIGNIFICANCE STATEMENTOur work unveils key aspects of fractones, extracellular matrix structures that are present in the SVZ that still lack a comprehensive characterization. We show that fractones extensively interact with neural stem cells, whereas some of them are located precisely at pinwheel centers, which are hotspots for adult neurogenesis. Our results also demonstrate that fractones increase in size during aging and that their interactions with neural stem and progenitor cells become more complex in old mice. Last, we show that fractone bulbs are produced by ependymal cells and that their laminin content regulates neural stem cells.
Volatılıty Spıllovers from The Internatıonal Capıtal Inflows to Economıc Growth in Turkey
Authors: Söylemez Arif Orçun
Published: March 2018

This paper empirically investigates the volatility interactions between the international capital inflows to Turkey and Turkish economic growth using the post-financial-liberalization era data. With an Extended Constant Conditional Correlation GARCH model, it is shown that there are volatility spillovers from the capital inflows to growth in Turkey. Some earlier studies in literature have already established a positive relationship between the capital inflows and economic growth in Turkey. According to their results, as the mean value of capital inflows to Turkey increases, so does the conditional mean value of Turkish economic growth. This study is important for it shows that as the volatility of capital inflows to Turkey increases, so does the volatility of Turkish economic growth.
Įmonės hipoteka – modernios įkeitimo teisės bruožas?
Authors: Juzikienė Renata
Published: March 2018

The article analyzes advantages and drawbacks of the mortgage enterprise, as the form of commercial charge of the widest scope. The drawbacks, that emerged during the history of the development and application of this charge in various law systems, have lead to the creation of different compensational mechanisms, which also will be discussed in this article.
Determination of the psychometric properties of the Patients’ Self-Efficacy Scale in blood pressure patients
Authors: Ghadiri Raheleh , Alimohammadi Masoumeh , Majdabadi Hesamedin Askari
Published: March 2018

Introduction

This study was designed to determine self-efficacy and its related factors in patients with hypertension.

Materials and methods

This study is descriptive-sectional from the correlation. A total of 250 patients from a blood pressure clinic of Semnan city (in Iran) completed Medication Understanding and Use Self-Efficacy Scale were randomly selected in 2017. Data were analyzed using variance, Pearson’s Correlation, and χ2 using the LISREL 8.8 software.

Results

The items 1, 6, 7, and 8 have high correlation (at least higher than 0.60), indicating the possibility of aggregation of these four variables in the first factor (taking medication), and the four items 2, 3, 4, and 5 are highly correlated with each other, which are the second factor (learning about medication). In addition, Cronbach’s α of reliability (taking medication) for the first factor was 0.67 and 0.63 for the second factor (learning about medication) and 0.69 for the whole scale.

Conclusion

The effectiveness of blood pressure self-efficacy is an appropriate tool for measure-taking responsibility for the time and taking medications by patients, and researchers can use it as a valid tool in therapeutic, psychological, and health research.
Matrix-assisted laser desorption ionization–time of flight mass spectrometry for identification of bacteria isolated from pharmaceutical clean rooms
Authors: Andrade Laíse de Oliveira , Awasthi Rajendra , Dua Kamal , de Jesus Andreoli Pinto Terezinha
Published: March 2018

Introduction

During the manufacturing of sterile drugs, it is of the utmost importance to meet the minimum requirements for asepsis recommended by the legislations on good manufacturing practices-based efficient environmental monitoring.

Aims and methods

The availability of relatively simple to use matrix-assisted laser desorption ionization–time of flight mass spectromtomy (MALDI-TOF MS) devices in the last years has changed the laboratory workflows for the microbial identification, mainly in the clinical area. Thus, the objective of this work was to evaluate the suitability of the MALDI-TOF MS technique for the identification of bacteria isolated from the environment of clean rooms used in some stages of the production of a viral vaccine. Eighteen known bacterial species commonly isolated from clean rooms studied were identified by MALDI-TOF technique and by a biochemical technique (BBL Crystal® System).

Results

Performance of MALDI-TOF MS was better than biochemical technique for correct species identifications (88.89% and 38.89%, respectively) and produced less unreliable identification (5.55% and 22.22%).

Conclusion

MALDI-TOF MS can be implemented for routine identification of bacteria in a pharmaceutical quality control laboratory, but as a database-dependent system, maybe some isolated not identified by this technique must be additionally studied and, if appropriate, added to an in-house database.
Gpr97 Exacerbates AKI by Mediating Sema3A Signaling
Authors: Fang Wei , Wang Ziying , Li Quanxin , Wang Xiaojie , Zhang Yan , Sun Yu , Tang Wei , Ma Chunhong , Sun Jinpeng , Li Ningjun , Yi Fan
Published: March 2018

Background G protein-coupled receptors (GPCRs) participate in a variety of physiologic functions, and several GPCRs have critical physiologic and pathophysiologic roles in the regulation of renal function. We investigated the role of Gpr97, a newly identified member of the adhesion GPCR family, in AKI.

Methods AKI was induced by ischemia–reperfusion or cisplatin treatment in Gpr97-deficient mice. We assessed renal injury in these models and in patients with acute tubular necrosis by histologic examination, and we conducted microarray analysis and in vitro assays to determine the molecular mechanisms of Gpr97 function.

Results Gpr97 was upregulated in the kidneys from mice with AKI and patients with biopsy-proven acute tubular necrosis compared with healthy controls. In AKI models, Gpr97-deficient mice had significantly less renal injury and inflammation than wild-type mice. Gpr97 deficiency also attenuated the AKI-induced expression of semaphorin 3A (Sema3A), a potential early diagnostic biomarker of renal injury. In NRK-52E cells subjected to oxygen–glucose deprivation, siRNA-mediated knockdown of Gpr97 further increased the expression of survivin and phosphorylated STAT3 and reduced toll-like receptor 4 expression. Cotreatment with recombinant murine Sema3A protein counteracted these effects. Finally, additional in vivo and in vitro studies, including electrophoretic mobility shift assays and luciferase reporter assays, showed that Gpr97 deficiency attenuates ischemia–reperfusion-induced expression of the RNA-binding protein human antigen R, which post-transcriptionally regulates Sema3A expression.

Conclusions Gpr97 is an important mediator of AKI, and pharmacologic targeting of Gpr97-mediated Sema3A signaling at multiple levels may provide a novel approach for the treatment of AKI.
Condiciones tropicales de la lluvia estacional en la agricultura de secano de Carabobo, Venezuela
Authors: Olivares Barlin Orlando
Published: March 2018

La variabilidad y el cambio climático están teniendo fuertes repercusiones sobre diferentes variables meteorológicas; induciendo cambios en el patrón de precipitación que afecta directamente la disponibilidad hídrica en los agroecosistemas. Es por esta razón que el objetivo de este trabajo fue analizar la variabilidad interanual de la lluvia tropical y su influencia en la agricultura de secano de la cuenca del Lago de Valencia en Venezuela. Para esto se utilizaron los datos mensuales y anuales de precipitación (1969-1999) de ocho estaciones climatológicas. Posteriormente, se calcularon los estadísticos descriptivos básicos, se describió la evolución de la precipitación y por último, se calculó del rango percentil P90%-P10% como indicador de la variación de la amplitud de la serie. Los resultados establecen que existen cambios en el régimen interanual de la precipitación y, tras analizar las tendencias en la precipitación anual en las localidades Yuma Caserío, Colonia El Trompillo, Agua Blanca y Las Dos Bocas, existe reducción generalizada en la lluvia, estos cambios, afectarían negativamente la generación y la disponibilidad de humedad en las localidades agrícolas, las cuales dependen fuertemente del agua de lluvia. La vocación agrícola en las tierras bajas de la cuenca del lago de Valencia, la hace muy vulnerable a los episodios secos persistentes, donde los cultivos de secano como sorgo industrial, maíz, hortalizas, frutas (musáceas) y cítricos merman sus rendimientos durante la ausencia prolongada de lluvias, lo que afecta al sector agrícola de la región.
El cuerpo-infancia afrodescendiente: sistematización de una experiencia
Authors: Souza Ana Paula Del Duque , Oliveira de Vasconcelos Valéria
Published: March 2018

In the present work, emerged from a Scientific Initiation research from Salesian University Center of São Paulo/Americana/Brazil, it was sought to analyze and systematize an educational proposal in Afri-canities from Early Childhood Education, identifying elements of Afro-descendant body-childhood ex-pression. The Systematization of Experiences methodology was used (Jara, 2006) in the following times: starting point; initial questions; recovery of the lived process/background reflection and arrival points. The activities developed for two years with approximately 300 children, between 05 and 06 years old, show that it is possible to build alternatives in the school institution itself, with enormous potential in terms of its ability to give meaning to children’s experiences, developing creativity, valuing diversity and, above all, awakening their corporeal-historical-cultural consciousness. It must be recognized and promoted educational initiatives that dialogue with emancipatory processes when it comes to studies on the racial issue. Furthermore, the school community needs to review racist thoughts that carry myths of white superiority. Studies that lead to the knowledge and power decolonization in Brazil and in Latin America should be part of teacher education. Its incorporation into curricula and pedagogical proces-ses in general has particular importance for the construction of a more human, equitable and receptive society in face of diversity.
A gramática estadunidense como alteridade para a gramatização brasileira do português no século XIX : análise da composição da gramática Holmes Brazileiro ou Grammatica da Puericia de Júlio Ribeiro (1886) a partir do modelo do compêndio A Grammar of the English Language de George Frederick Holmes (1878)
Authors: De Aquino José Edicarlos
Published: March 2018

Resumo: Este artigo analisa os procedimentos de Júlio Ribeiro para compor a sua gramática Holmes Brazileiro Grammatica da Puericia, em 1886, com base no modelo do compêndio A Grammar of the English Language, lançada por George Frederick Holmes em 1878. Ilustrando em detalhes o mecanismo de transferência de tecnologia entre línguas segundo o conceito de gramatização de Auroux (1992), essa análise nos permite trazer à luz um elemento pouco observado na história das ideias linguísticas no Brasil, isto é, a alteridade que a gramática estadunidense representa para a gramatização brasileira do português no século XIX. Dessa forma, detalhamos as várias modificações que Júlio Ribeiro opera no texto de Holmes ao traduzi-lo e adaptá-lo para a escrita de uma gramática do português, mostrando como elas se realizam por exigência das especificidades da ordem da própria língua, mas também como significam um gesto de autoria do gramático brasileiro sobre o conhecimento linguístico, inserindo, inclusive, referências ao Brasil no discurso gramatical.Palavras-chave: gramatização brasileira; século XIX; Júlio Ribeiro; George Frederick Holmes; gramática brasileira, gramática estadunidense; gramática latina extensa.Abstract: This article analyzes the procedures of Júlio Ribeiro to compose his grammar Holmes Brazileiro Grammatica da Puericia, in 1886, from the model of the compendium A Grammar of the English Language, released by George Frederick Holmes in 1878. Illustrating in detail the technology transfer mechanism between languages according to Auroux’s concept of grammatization (1992), this analysis allows us to bring to light an unobserved element observed in the history of linguistic ideas in Brazil, that is, the alterity that the American grammar represents for the Brazilian grammatization of Portuguese in the nineteenth century. In this way, we detail the various modifications that Júlio Ribeiro operates in Holmes’s text by translating it and adapting it to the writing of a Portuguese grammar, showing how they are performed by exigency of the specifics of the order of the language itself, but also as signify a gesture of authorship by the Brazilian grammarian about linguistic knowledge, including references to Brazil in grammatical discourse.Keywords: Brazilian grammatization; nineteenth century; Júlio Ribeiro; George Frederick Holmes; Brazilian grammar, American grammar; extended Latin grammar.
Amostras sociolinguísticas: probabilísticas ou por conveniência?
Authors: Freitag Raquel Meister Ko.
Published: March 2018

Resumo: O objetivo deste trabalho é discutir questões relacionadas à amostragem na sociolinguística variacionista, considerando a dimensão probabilística e não probabilística. Conceitos de estatística, como população e amostra, descrição e inferência, são revisados, e os procedimentos de amostragem aleatória e não aleatória são discutidos considerando o viés de seleção e as especificidades da coleta de dados sociolinguísticos para pesquisa de orientação variacionista. Palavras-chave: sociolinguística; amostragem por cotas; estatística. Abstract: This paper goal is to discuss sampling in the variationist sociolinguistic approach, both in its random and non-random dimensions. Statistic concepts, such as population and sample, descriptive and inferential statistics are presented; additionally random and non-random sampling procedures are discussed, taking into account the selection bias and the specificity of data collection within variationist sociolinguistics.Keywords: sociolinguistics; stratified sample; statistics.
A obviação em complementação sentencial no português brasileiro e sua relação com predicados não-epistêmicos
Authors: Oliveira Vivian Meira de
Published: March 2018

Resumo: Este artigo investiga padrões de referencialidade em complementação sentencial no português, italiano e grego moderno, especialmente o fenômeno conhecido como obviação ou referência disjunta. Trata-se de uma restrição atestada nas línguas e se caracteriza pelo fato de o sujeito da oração subordinada ser obrigatoriamente disjunto em referência ao sujeito da oração matriz. Tradicionalmente, assume-se que a obviação é uma propriedade de complementação subjuntiva ou um fenômeno resultante, juntamente com o controle, da competição entre formas finitas / não finitas. No entanto, os dados das línguas analisadas não condizem com essas hipóteses. Assumindo a teoria de seleção semântica e a versão minimalista de subcategorização (cf. ADGER, 2004), propõe-se que a obviação, exibida em complementação sentencial, é uma restrição semântica exigida por três tipos de predicados: os causativos, os volitivos e os perceptivos físicos, que serão tomados como predicados capazes de impor restrições semânticas aos seus complementos.Palavras-chave: referência disjunta; predicado matriz; interface sintaxesemântica; línguas românicas/línguas da área balcânica.Abstract: This paper investigates patterns of referentiality in sentential complementation in Portuguese, Italian and Modern Greek, especially the phenomenon known as obviation or disjoint reference. This is a constraint attested in languages, and it is characterized by the fact that the subject of the subordinate clause must be disjoint in reference to the subject of the matrix sentence. Traditionally, obviation has been assumed to be a property of subjunctive complementation, or a phenomenon arising along with the control from the competition between finite/non-finite forms. However, the data are not consistent with these hypotheses. Based on the theory of semantic selection and a minimalist version of subcategorization (cf. ADGER, 2004), this thesis proposes that obviation, in sentential complementation, is a semantic constraint required by three types of predicates, the causative, volitional and physical perceptive predicates, which will be taken as predicates able to impose semantic constraints on their complements.Keywords: disjoint reference; main predicate; syntax-semantics interface; Romance and Balkan languages.
Cláusulas de finalidade e argumentação: uma proposta de interface gramática e interação
Authors: Vieira Amitza Torres , Dias Nilza Barrozo
Published: March 2018

Resumo: O artigo analisa dados reais de fala-em-interação em situação de conflito e propõe investigar o papel das cláusulas de finalidade na fala argumentativa dos participantes em uma audiência no Juizado Especial Criminal. A proposta de trabalho entrelaça a vertente Funcionalista à perspectiva da Sociolinguística Interacional, com o objetivo de examinar a interface gramática e interação. Teoricamente, são empregadas ferramentas do discurso, e a análise sequencial da argumentação nos turnos de fala é sua ferramenta principal de trabalho. A essa perspectiva alia-se a abordagem da sintaxe funcionalista na identificação e descrição do uso de cláusulas de finalidade (DIAS, 2001) na argumentação dos participantes das audiências investigadas. Na análise argumentativa, são utilizados os componentes da argumentação propostos por Schiffrin (1987): posição, disputa e sustentação. Em um estudo de caso qualitativo, acompanhamos a trajetória do processo argumentativo em um caso de agressão verbal entre duas mulheres, e mostramos, especificamente, como as cláusulas hipotáticas de finalidade estão ligadas às sustentações de posições nesse contexto institucional.Palavras-chave: cláusulas de finalidade; argumentação; gramática e interação.Abstract: The paper analyzes actual data of talk-in-interaction in a conflict situation and proposes to investigate the role of purpose clauses in the argumentative talk of the participants in a hearing in the Special Criminal Court. The work proposal intertwines the Functionalist dimension to the perspective of Interactional Sociolinguistics, in order to examine the interface between grammar and interaction. Theoretically, discourse tools are employed, finding in the sequential analysis of the argumentation in talk shifts their focus. This perspective is joined with a functionalist syntax approach in the identification and description of the use of purpose clauses (DIAS, 2001) in the arguments of the participants of the audience investigated. In the argumentative analysis, the components of the argumentation proposed by Schiffrin (1987) are used: position, dispute and sustentation. In this qualitative case study, we follow the trajectory of the argumentative process in a case of verbal aggression between two women, and show specifically how hypothetical purpose clauses are linked to the support of positions in this institutional context.Keywords: purpose clauses; argumentation; grammar and interaction.
Cambios estructurales y de contenido entre la 22.ª ed. (2001) y la 23.ª (2014) del Diccionario de la Real Academia Española
Authors: Barberà Agost Carme
Published: March 2018

La 23.ª edición del Diccionario de la Real Academia Española, se publicó el 16 de octubre del 2014, coincidiendo con el tercer aniversario de la fundación de la Real Academia Española (DRAE 2014: X). El presente artículo analiza los cambios, tanto estructurales como de contenido, entre las ediciones del siglo XXI, es decir, entre la 22.ª edición (2001) y la 23.ª edición (2014) del DRAE. En relación con los primeros, se estudian los cambios que afectan a la distribución de las entradas, a la información contenida en estas y a la marcación de dicha información. También se analizan los cambios en la información del paréntesis y en la tabla de abreviaturas y símbolos empleados. Respecto a los segundos, se revisan los que afectan a la escritura de las palabras y a la disposición de las acepciones. Por último, se examinan también los artículos enmendados y se plantea la repercusión que estos cambios puedan tener en el futuro.
Un capítulo poco conocido del estudio diccionarístico: La terminografía lexicográfica. Estado y propuestas
Authors: Camacho Niño Jesús
Published: March 2018

La investigación presentada es de carácter metalexicográfico y toma la terminología de especialidad lexicográfica como objeto de estudio, siendo su objetivo conocer el desarrollo de los estudios referentes a este subconjunto léxico. Así, a lo largo de las siguientes páginas ahondaremos en las distintas reflexiones que se han realizado en torno a la terminografía lexicográfica desde sus inicios hasta su actualidad más reciente.  El acercamiento pretende ser lo más exhaustivo posible, intentando incluir todas las ponderaciones realizadas en torno a este aspecto del estudio lexicográfico. Por ello, no solo se ha atendido a la lexicografía de ámbito hispánico, sino que también han tenido cabida propuestas terminográficas en otras lenguas: inglés, alemán, polaco o noruego, lo que garantizará, al menos en parte, la coherencia y validez de los resultados obtenidos.
Lexicografía y sistematicidad. Acerca de los nombres que designan instrumentos agrícolas
Authors: González Cobas Jacinto
Published: March 2018

La búsqueda de sistematicidad se ha convertido en uno de los principios operativos más importantes de la lexicografía. Ello se debe a que se considera un requisito, si no suficiente, sí necesario para que los diccionarios muestren cierta regularidad, por ejemplo, en el tratamiento y presentación de los lemas, de las acepciones y de las definiciones. En este escenario el diseño de vocabularios definidores y de modelos de definición ha cobrado una gran importancia, si bien no se trata de empresas fáciles y llegar a confeccionarlos acarrea gran cantidad de tiempo y esfuerzo. El análisis del tratamiento lexicográfico que recibe en el DLE un grupo de palabras –los nombres que designan instrumentos agrícolas– fácil de identificar tanto desde un punto de vista lingüístico como semántico y referencial permite afirmar que aún pueden darse pasos más decididos hacia una mayor regularidad lexicográfica, al menos en lo referente a los citados sustantivos.
Video on demand service based on inference emotions user
Authors: Solarte Moncayo Luis Alejandro , Sánchez Barragán Mauricio , Chanchí Golondrino Gabriel Elías , Durán Dorado Diego Fabián , Arciniegas Herrera José Luis
Published: March 2018

Video traffic on networks increases exponentially, and thus the amount of time that should be used browsing content catalogs. Therefore, systems are needed video on demand [VoD] taking into account the emotions as a parameter for fast access to content. This paper presents the design and implementation of a VoD service based on emotions, whose main components are: the musical content catalog forming and hardware-software system that allows you to set the level of mental stress and inference of emotions of the consumer, while it interacts with the system. The final product was tested for efficiency and stress, with satisfactory results: the time spent by the web server with 200 sequential connections, ranged from 0.050 to 0.675 seconds and between 0.030 and 0.675 seconds when they are simultaneous. It also managed to respond adequately to 20,000 sequential connections, with response times of less than 1 to 36 seconds, and withstand, without collapsing, 18,000 concurrent connections, with response times between 7 and 62 seconds. The project provides an open source service that raises the groundwork for future projects.
R. B. Repository: Reference bibliographies repository for Drupal 7
Authors: Ortiz Collazos Fabián , Hurtado Hurtado Beatriz Elena , Rojas Pineda Eduardo
Published: March 2018

This article, a result of a research project, the characteristics and functions of a module developed for managing bibliographic references about the content management system Drupal Version 7 are exposed. It integrates several functions that allows to host the information in a repository, of both bibliographic and users, and includes a function based on the Scopus API to obtain in a semiautomatically way metadata from publications, which simplifies and streamlines the information introduction and extraction. Acquiring metadata from publications would have a semiautomatic component which would reduce the amount of information that should be entered manually.
Comparison of performance between a native app and a mobile web application for monitoring a photovoltaic system
Authors: Sánchez Santana Sharon D. , Estévez José Ignacio , Sepúlveda Mora Sergio B. , Medina Delgado Byron
Published: March 2018

A native Android application and a multi-platform web application to monitor solar radiation and the output power of a photovoltaic system were developed, in order to establish which is more efficient using the mobile device resources. The methodology for Mobile Application Development [MAD] was adopted and free software tools –Android Studio and HTML5– were used. CPU consumption, response time in sending data and memory usage for the execution of the applications, were compared; also, the user experience was evaluated through the 6Ms survey. The transfer time of a data from the server to the mobile application executed in Chrome was 0.887 seconds, the native application transfers a data in 0.853 seconds –both times are within the acceptable ranges, since the acquisition system stores one data every 5 minutes; the average memory usage was 182 Mb for executing the application in the Chrome browser, while the native application achieved a reduction of 65%, therefore it can be concluded that the native application requires less memory usage for its execution.
Law on Transparency implementation process, ISO 27001 and Database Reporting on public entities
Authors: Penagos Granada Edward Fabián , López Echeverry Ana María , Villa Sánchez Paula Andrea
Published: March 2018

During 2015 and 2016, in Pereira (Colombia) a training project addressed to public entities officials was carried out  in areas related with: law on transparency, ISO 27001 and database reporting, though theoretical and practical sessions. As a result, a local researching group developed a set of documents with relevant and updated information on each topic. So, officials can use them as implementation guides in their respective institutions. This paper describes how the training sessions was developed. Finally, the results of the project are presented in a positive way, taking as a reference both an initial scenario and final scenario of greater complexity.
Smart home simulation model for synthetic sensor datasets generation
Authors: Weitz Darío , María Denis , Lianza Franco , Schmidt Nicole , Nant Juan Pablo
Published: March 2018

World population is ageing due to longer life expectancy worldwide. There is a trend in elderly people to live alone in their habitual residences in spite of health and safety risks. Smart Homes, intelligent environment systems deployed at elderly homes can act as early warning systems trying to forecast the worsening or exacerbation of the resident chronic conditions. Access to sensor datasets is essential for the development of an efficient real smart home. Procurement of such datasets is subject to several restrictions and difficulties. This paper describes the generation of synthetic datasets by means of a simulation model as a suitable alternative previous to the deployment of a real monitoring system. The collection of synthetic datasets will be used during the next project step to train and evaluate activity recognition methods and algorithms.
Performance evaluation of VoIP technology in an extended service set, in concordance with IEEE 802.11g
Authors: Núñez Cuadrado Marcelo David , Jativa Huilcapi Carlos Andres , Lara Cueva Román Alcides
Published: March 2018

In this paper, we evaluate the performance in function of the metrics associated to Quality of Service [QoS] and Quality of user Experience [QoE] in an experimental way in the VoIP service for G.711 and G.729 códecs. This was performed over an extended service set based on Wi-Fi technology in concordance with IEEE 802.11g standard using embedded systems. QoS related metrics are obtained by using the intrusive traffic injection technique. In addition, we assessed the QoE using the MOSc [Mean Opinion Score conversational] analysis. The best results were obtained for G.729, reaching up to 25 simultaneous injections with optimal delay, jitter and packet loss values according to the ITU-T recommendation for VoIP. However, the G.711 codec presented a better throughput. On the other hand, QoE evaluation indicates a slight superiority of G.729 in the MOSc appreciation. Finally, we conclude that packet loss and delay are the most influential metrics in VoIP service degradation.
Towards smarter cities taking advantage of the Fog Computing paradigm
Authors: Tárano León Shouddy , Delgado Fernández Tatiana , Pérez Colomé Alejandro Luar
Published: March 2018

The fog computing term has achieved importance in the last years due to its effect in the latency reduction that the Internet of Things [IoT] applications have. These applications demand real-time (or nearly real-time) responses and they are characterized by low bandwidth consumption; hence, the fog computing is relevant in achieving these requests because part of the processing is done near the end user devices. For this reason, the cloud computing paradigm is not enough for some applications, since nowadays, the instant need of data and the decision-making process leverage –or somehow discover– a new horizon that demands a complementary variable. This article consists on an approach to the fog computing term, together with the requirements analysis for engineering solutions in the IoT field. Also, its impact in the smart cities and other fields plus its main challenges are addressed. We also present a guideline to implement a recommendation system for sightseeing places for tourists based in fog computing embraced in a large smart city project located in Havana.
Presentación
Authors: Lorenzo Enrique
Published: March 2018

La planificación y la gestión educativa son temas recurrentes en los ámbitos escolares. Diferentes investigaciones han mostrado la necesidad de generar propuestas de cambio a efectos de potenciar enseñanzas y aprendizajes. El estudio de las prácticas de gestión, tanto en los niveles macro como micro, se imponen pues como un elemento de renovación pedagógica. Esta modificación y transformación del modelo de organización y gestión educativa solicitan una especial mirada a las prácticas y a las teorías, que intentan iluminar y/o explicar esas prácticas.Este quinto número de los Cuadernos de Investigación Educativa, publicación que semestralmente edita el Instituto de Educación de la Universidad ORT Uruguay, tiene como propósito generar un ambiente de reflexión y discusión sobre las dimensiones teóricas y aplicadas de la gestión educativa.
Gestión de centros: algunas reflexiones y aportes
Authors: Cruz Cárdenas Ruth E.
Published: March 2018

Cuando nos referimos a centros educativos, lo hacemos, a veces, destacando algunas de sus características; así, podemos decir que uno atiende especialmente la formación de la persona; este otro otorga status al que asiste a él; aquel es muy exigente a la hora de evaluar a sus alumnos y así podríamos continuar dando ejemplos de cómo se identifica una institución educativa en la comunidad. Al entrar por primera vez a un centro se reciben “mensajes” sutiles, a través de la percepción de actitudes, de ambientes percibidos, de expresiones, de presencias o de ausencias, que permiten captar un clima, una cultura, pautas, valores, prioridades institucionales. Esto tiene mucho que ver con el proyecto educativo, con el curriculum institucional, explicitado o no, pero también con el estilo de gestión. La gestión está hoy en la agenda de los Directivos de instituciones educativas, en el discurso de muchos, en la currícula de las instituciones de formación de recursos; en una palabra, está en la mira. La gestión se ha constituido en un tema central, sustantivo a la hora de pensar en el cambio orientado a mejorar los niveles de calidad. Esto ocurre en nuestro ámbito, con más énfasis en los últimos años.
Calidad más allá del proceso de enseñanza
Authors: García Pais Juan Carlos
Published: March 2018

Las instituciones educativas que no se han replanteado su rol tienen como única opción: pueden cambiar si quieren sobrevivir y progresar o pueden no cambiar si lo que buscan es quedar obsoletas y desaparecer. Esta imperiosa necesidad de mejora continua no implica necesariamente que las cosas se hagan mal, sino que quedan rápidamente descontextualizadas frente a las nuevas demandas externas, cada día más vertiginosas y exigentes, lo que lleva a un proceso de adaptación permanente.