1,721,162 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
Monitorização da ocorrência de enteroparasitoses e de anemia em crianças em idade escolar e deteção molecular dos isolados, em Salina-Pedra Badejo, Ilha de Santiago, Cabo Verde
Get PDFMonitorização da ocorrência de enteroparasitoses e de anemia em crianças em idade escolar e deteção molecular dos isolados, em Salina-Pedra Badejo, Ilha de Santiago, Cabo Verde
Mónica Sofia Neves Garcia
Os enteroparasitas incluem um amplo grupo de organismos, dos quais os protozoários e os helmintas são os mais representativos. A sua prevalência é variável consoante a zona geográfica, dependendo das condições higio-sanitárias e climáticas, atingindo taxas de infeção máximas na África subsaariana, seguidas da Ásia, América Latina e Caribe. Em Cabo Verde as enteroparasitoses têm afetado muito as crianças em idade escolar, com maior incidência nas comunidades onde as condições socioeconómicas e ambientais favorecem a sua ocorrência. A principal forma de transmissão é a via fecal-oral, e/ou a partir da água ou alimentos contaminados. A morbidade causada pelas enteroparasitoses, é muitas vezes relacionada com desnutrição e anemia, podendo resultar em deficiência no desenvolvimento físico e cognitivo das crianças.
Os objetivos do trabalho foram: (i) estimar a prevalência das enteroparasitoses em 416 crianças de um Jardim infantil e escolar primária e dos seus 17 professores e outros funcionários, com e sem sintomatologia gastrointestinal; (ii) identificar potenciais fatores de risco (sociodemográficos e ambientais) e a sua relação com as parasitoses intestinais identificadas no estudo; (iii) avaliar a ocorrência de anemia nas crianças que participaram no estudo e correlacionar com a frequência de enteroparasitas encontrada.
As amostras de fezes de todos os participantes foram analisadas para identificação de protozoários e helmintas por métodos parasitológicos e os métodos de biologia molecular foram utilizados para deteção específica de Giardia duodenalis, Cryptosporidium spp. e Enterocytozoon bieneusi.
Os resultados apontaram para maior prevalência de enteroparasitoses em crianças na faixa etária dos sete anos (15,4%), do sexo masculino (52,7%), cuja sintomatologia, na maioria dos casos, era dor abdominal (77,1%). Os responsáveis de mais de metade dos alunos, estudaram até ao ensino secundário (58,9%). Quanto aos hábitos de higiene das crianças, 59,1% disseram que defecavam ao ar livre sendo que destas 41,6% estavam parasitadas. No total das técnicas, a prevalência de enteroparasitas foi de 70%. Destes, 52,4% corresponderam a Entamoeba coli, 17,3% a Giardia duodenalis, 10,9% Hymenolepis nana, 7,6% Enterocytozoon bieneusi, 4,2% Blastocystis hominis, 0,7% Cryptosporidium spp., 0,5% Ascaris lumbricoides e 0,5% Enterobius vermicularis. Entre a população de crianças estudada, 22,4% apresentava anemia, com concentração de hemoglobina <11g/dl, sendo que 15,9% possuíam algum tipo de parasita. O desenvolvimento das crianças foi, na maioria dos casos, baixo quanto à altura para a idade <85% (76,9%), e peso para a idade <60% (73,1%). Neste estudo observaram-se poucos casos de poliparasitismo entre as crianças com anemia (3,4%).
Estes resultados, aliados ao conjunto de dados provenientes do levantamento dos fatores predisponentes às enteroparasitoses, possibilitaram um conjunto de reflexões acerca da importância das enteroparasitoses e de como elas representam um problema de saúde pública grave, e o seu relacionamento com fatores de risco a que os indivíduos estão expostos durante a vida, principalmente as crianças. Os dados epidemiológicos obtidos, neste estudo, salientam a importância do diagnóstico e do controlo das parasitoses intestinais, principalmente em crianças em idade escolar, representando um problema de saúde pública grave em Cabo Verde.Monitoring the occurrence of enteroparasitoses and anemia in school-age children and molecular detection of isolates in Salina-Pedra Badejo, Santiago Island, Cape Verde
Mónica Sofia Neves Garcia
Enteroparasites include a large group of organisms, of which protozoa and helminths are the most representative. Its prevalence varies according to geographical area, depending on hygienic and climatic conditions, reaching maximum infection rates in sub-Saharan Africa, followed by Asia, Latin America and the Caribbean. In Cape Verde, the enteroparasitoses have greatly affected school-age children, with a higher incidence in communities where socioeconomic and environmental conditions favour its occurrence. The main form of transmission is the faecal-oral route and/or from contaminated water or food. Morbidity caused by enteroparasitoses is often related to malnutrition and anaemia, and may result in deficits in the physical and cognitive development of children.
The objectives of the study were: (i) to estimate the prevalence of enteroparasitoses in 416 children of a kindergarten and an elementary school and their 17 teachers and school staff, with and without gastrointestinal symptoms; (ii) to identify potential risk factors (socio-demographic and environmental) and its relation with the intestinal parasites identified in the study; (iii) to evaluate the occurrence of anaemia in children who participated in the study and to correlate with the frequency of the enteroparasites identified.
Stool samples from all participants were analysed for protozoa and helminth identification by parasitological methods, and molecular biology methods were used for specific detection of Giardia duodenalis, Cryptosporidium spp. and Enterocytozoon bieneusi.
The results indicated a higher prevalence of enteroparasitoses in children aged 7 years (15.4%), males (52.7%), whose symptomatology in the majority of cases was abdominal pain (77.1%). The guardians (parents) of more than half of the students had a high school degree (58.9%). Regarding children's hygiene habits, 59.1% said they defecated in the open air and 41.6% were parasitized. In total, the prevalence of enteroparasites was 70%. Of these, 52.4% corresponded to Entamoeba coli, 17.3% to Giardia duodenalis, 10.9% to Hymenolepis nana, 7.6% to Enterocytozoon bieneusi, 4.2% to Blastocystis hominis, 0.7% to Cryptosporidium spp., 0.5% to Ascaris lumbricoides and 0.5% to Enterobius vermicularis. Among the population of children sampled, 22,4% had anaemia with haemoglobin concentration <11g / dl and 15,9% had some type of parasite. The development of the children studied was mostly low in terms of height for age <85% (76.9%), and weight for age <60% (73.1%). In this study, there were few cases of polyparasitism among children with anaemia (3.4%).
These results, together with the data gathered from the survey of factors predisposing to enteroparasitoses, provided a set of reflections about the importance of enteroparasitoses and how they represent a serious public health problem, and their relationship with risk factors individuals are exposed during life, especially children. The epidemiological data obtained in this study emphasize the importance of the diagnosis and control of intestinal parasites, especially in school-age children, representing a serious public health problem in Cape Verde
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Author Under Sail The Imagination of Jack London, 1893-1902
No full textIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Intro -- Title Page -- Copyright Page -- Dedication -- Contents -- Acknowledgments -- Introduction -- 1. Spirit Truth -- 2. From Absorption to Theatricality and Back Again -- 3. "I Will Build a New Present" -- 4. Sons as Authors -- 5. Fathers as Publishers -- 6. The Daughter as Author -- 7. Lovers as Authors -- 8. At Sea with the Family -- 9. Yellow News, Yellow Stories -- 10. The Return Home -- Notes -- Bibliography -- Index -- About Jay WilliamsIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Description based on publisher supplied metadata and other sources.Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, YYYY. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries
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