1,720,954 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
Identifikasi Penyakit Paru Obstruktif Kronik Menggunakan Graph Convolutional Network Pada Electronic Nose
No full textSaat ini, sistem electronic nose telah banyak digunakan sebagai metode non-invasif untuk mendiagnosis penyakit paru berdasarkan udara napas yang dihembuskan. Namun demikian, beberapa permasalahan masih perlu diselesaikan, antara lain jumlah dan jenis sensor gas yang optimal untuk penyakit paru obstruktif kronik (PPOK), penentuan fitur sensor gas yang sesuai untuk tujuan klasifikasi, dan algoritma klasifikasi yang dapat memberikan accuracy yang lebih tinggi. Oleh karena itu, penelitian ini mengembangkan sistem electronic nose, baik hardware dan software, untuk mengidentifikasi PPOK. Sistem electronic nose yang dikembangkan terdiri dari dua puluh sensor gas semikonduktor oksida logam (metal-oxide-semiconductor, MOS) untuk mendapatkan pola respons spesifik untuk setiap subyek, meliputi subyek sehat dan PPOK, melalui sampel udara napas yang dihembuskan. Sampel yang diperoleh untuk subyek PPOK sebesar 40 dan subyek sehat sebesar 30. Algoritma fast Fourier transform (FFT) diterapkan untuk mendapatkan elemen frekuensi pada respons sensor gas pada durasi tertentu. Teknik principal component analysis (PCA) digunakan untuk memvisualisasikan distribusi data dan bertindak sebagai pra-pemrosesan data. Algoritma firefly, yang disertai dengan algoritma support vector machine (SVM) sebagai fungsi fitness-nya, diimplementasikan untuk menentukan jumlah sensor gas yang optimal. Metode statistik Pearson correlation coefficient (PCC) diperkerjakan untuk memperoleh nilai koefisien korelasi antar fitur sensor gas dan dikuantifikasi untuk membentuk matriks adjacency dari algoritma graph convolutional network (GCN). Struktur multi-layer algoritma GCN dirancang untuk mencapai identifikasi PPOK. Hasil percobaan menunjukkan bahwa algoritma GCN yang dikombinasikan dengan teknik PCA pada dataset frekuensi dapat memisahkan kelompok subyek sehat dan PPOK secara lebih signifikan dengan nilai rata-rata accuracy sebesar 92,9%, precision sebesar 93,5%, recall atau sensitivity sebesar 92,1%, F1-score sebesar 92,6%, dan specificity sebesar 92,1%. Selain itu, algoritma firefly telah menghasilkan sebelas sensor gas yang memberikan pola respons sensor gas tertentu pada sampel udara napas yang dihembuskan dari subyek PPOK dan menghasilkan nilai rata-rata accuracy sebesar 88,6%, precision sebesar 90,3%, recall atau sensitivity sebesar 87,1%, F1-score sebesar 87,9%, dan specificity sebesar 87,1%.
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Currently, electronic nose systems have been widely used as a non-invasive method for diagnosing lung diseases based on exhaled breath. However, several problems still need to be resolved, including the optimal number and type of gas sensors for chronic obstructive pulmonary disease (COPD), determining appropriate gas sensor features for classification purposes, and classification algorithms that can provide higher accuracy. Therefore, this research developed an electronic nose system, both hardware and software, to identify COPD. The developed electronic nose system comprises twenty metal-oxide-semiconductor (MOS) gas sensors to acquire specific response patterns for each subject, including healthy and COPD subjects, through exhaled breath samples. The samples obtained for COPD subjects were 40 and 30 for healthy subjects. The fast Fourier transform (FFT) algorithm is applied to receive the frequency element in the gas sensor response for a certain duration. The principal component analysis (PCA) technique is used to visualize data distribution and acts as data pre-processing. The firefly algorithm, accompanied by the support vector machine (SVM) algorithm as its fitness function, is implemented to determine the optimal number of gas sensors. The Pearson correlation coefficient (PCC) statistical method is employed to obtain correlation coefficient values between gas sensor features and is quantified to form an adjacency matrix from a graph convolutional network (GCN) algorithm. The multi-layer structure of the GCN algorithm is designed to achieve COPD identification. The experimental results show that the GCN algorithm combined with the PCA technique on the frequency dataset can separate groups of healthy and COPD subjects more significantly with an average accuracy value of 92.9%, precision of 93.5%, recall or sensitivity of 92.1%, F1-score of 92.6%, and specificity of 92.1%. In addition, the firefly algorithm has determined eleven gas sensors that provide certain gas sensor response patterns on exhaled breath samples from COPD subjects and produces an accuracy value of 88.6%, precision of 90.3%, recall or sensitivity of 87.1%, F1-score of 87.9%, and specificity of 87.1%
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
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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