1,720,964 research outputs found

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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

    HUBUNGAN PARAMETER HEMATOLOGI DENGAN HASIL SWAB PCR PASIEN COVID-19

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    The gold standard for diagnosing COVID-19 is PCR examination, but it is difficult to implement. The earliest routine laboratory examinations requested by clinicians were hematology including hemoglobin, leukocytes, platelets, ALC and NLR. This examination is inexpensive and easy to obtain. This study aims to evaluate the relationship between hematological parameters and PCR results in patients with suspected COVID-19. The study had a cross-sectional design by conducting hematological examinations on suspected Covid-19 patients undergoing PCR swabs. The study used two specimens; first, naso/oropharyngeal swab for PCR examination; second, venous blood with EDTA anticoagulant for examination of hemoglobin, leukocytes, platelets, NLR and ALC using an automated hematology equipment. Univariate analysis was performed to determine the mean and standard deviation. Independent variable data were tested by Kolmogorov-Smirnov which were then analyzed bivariately by independent t test. The mean age of the research subjects was 48.94 years. Most of the subjects who underwent PCR swab examination were women (63%) with positive PCR swab results of 88%. The mean NLR parameter was higher in patients with positive PCR than in patients with negative PCR with p value =0.025 (p<0.05). The NLR parameter was significantly higher in patients with positive PCR so that it can be used as a guideline for clinicians in the initial evaluation of patients with suspected Covid-19.Baku emas untuk menegakkan diagnosis COVID-19 adalah pemeriksaan PCR namun sulit dilakukan. Pemeriksaan laboratorium rutin yang paling awal diminta klinisi adalah hematologi meliputi hemoglobin, leukosit, trombosit, ALC dan NLR. Pemeriksaan ini merupakan pemeriksaan yang murah dan mudah diperoleh. Penelitian ini bertujuan untuk mengevaluasi hubungan parameter hematologi dengan hasil PCR pasien suspek COVID-19. Penelitian memiliki rancangan potong lintang dengan melakukan pemeriksaan hematologi pada pasien suspek Covid-19 yang menjalani swab PCR. Penelitian  menggunakan dua spesimen; pertama, swab naso/orofaring untuk pemeriksaan PCR; kedua, darah vena dengan antikoagulan EDTA untuk pemeriksaan hemoglobin, leukosit, trombosit, NLR dan ALC menggunakan alat hematologi otomatis. Analisis univariat dilakukan untuk menentukan rerata serta standar deviasi. Data variabel bebas diuji dengan Kolmogorov-Smirnov yang selanjutnya dianalisis bivariat dengan uji t bebas. Rerata usia subjek penelitian adalah 48,94 tahun. Sebagian besar subjek yang menjalani pemeriksaan swab PCR adalah wanita (63%) dengan hasil swab PCR positif sebanyak 88%. Rerata parameter NLR lebih tinggi pada pasien hasil swab PCR positif dibandingkan PCR negatif dengan nilai p=0,025 (p<0,05). Parameter NLR lebih tinggi secara bermakna pada pasien dengan hasil pemeriksaan PCR positif sehingga dapat dijadikan pedoman bagi klinisi dalam evaluasi awal pasien suspek Covid-19. &nbsp

    Variations on the Author

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    “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

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    We 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

    PENGGUNAAN SCIATIC FUNCTIONAL INDEX (SFI) DAN TIBIAL FUNCTIONAL INDEX (TFI) DALAM PENILAIAN REGENERASI MOTORIS SARAF TEPI

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    Regenerasi motorik saraf tepi dapat dinilai dengan menggunakan Sciatic Function Index (SFI) dan Tibial Function Index (TFI). Namun, studi komprehensif mengenai aspek anatomi dan metodologis pengukuran belum memadai. Penelitian ini bertujuan membandingkan penggunaan TFI dan SFI dalam menilai pemulihan fungsi motorik saraf tepi. Penelitian ini menggunakan desain posttest only with control group. Delapan belas tikus Wistar jantan dibagi menjadi tiga kelompok. Kelompok I, nervus ischiadicus dicederai 5mm proksimal terhadapat bifurkasi nervus ischiadicus kaki belakang kanan. Kelompok II, nervus tibialis dicederai 5mm proksimal dari tempat bercabang nervus cutaneous surae medialis kaki belakang kanan dan kelompok III sebagai kontrol negatif. SFI dan TFI diamati pada minggu II, IV, VI, dan VIII dan dianalisis. Hasil penelitian ini menunjukkan terdapat perbedaan yang signifikan antara nilai varians SFI dan TFI pada pengamatan minggu III, IV, dan VI (p-value < 0,05). Penggunaan TFI sebagai metode penilaian regenerasi motorik saraf tepi lebih baik dari pada penggunaan SFI yang ditunjukkan oleh nilai varians yang lebih kecil

    Dispelling the Myths Behind First-author Citation Counts

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    We 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

    Author Index

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    koamabayili/VECTRON-author-checklist: VECTRON author checklist

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    We 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
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