1,720,974 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
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
Exploration of the expression levels of molecules related to the appearance and treatment of breast cancer with a triple negative phenotype
No full textAIM: Angiogenesis plays a critical role in the growth and proliferation of cancer cells. In breast cancer it is mediated by the vascular endothelial growth factor (VEGF) signalling axis. Furthermore, it is regulated by different proangiogenic factors, such as heparin- binding – EGF- like growth factor (HB-EGF) and platelet – derived growth factor – CC (PDGF-CC) in addition to co – receptors, such as neuropilin – 1 (NRP-1), which are implicated in the prognosis and therapy of breast cancer patients. The purpose of the present study is to determine the expression of the aforementioned angiogenic factors in the systemic circulation of women with early breast cancer and the correlation with body mass index (BMI), menopausal status, histological types and molecular subtypes of breast cancer. PATIENTS AND METHOD: The study cohort consisted of 205 premenopausal and postmenopausal patients with early breast cancer and 31 healthy donors. We assessed the serum levels of VEGF, HB-EGF, PDGF -CC and NRP-1 and investigated the potential associations with clinical and histopathological parameters. RESULTS: VEGF serum levels were significantly higher in patients with invasive carcinoma in comparison to patients with ductal carcinoma in situ. PDGF-CC serum levels were significantly higher in patients with molecular subtype of LumB (Her2-) in comparison to patients with triple negative molecular subtype. Moreover, we observed a different expression of most biomarkers between overweight/obese and normal weight patients among the breast cancer molecular subtypes. Specifically, overweight/obese patients with triple negative breast cancer exhibited significantly higher HB-EGF serum levels in comparison to normal weight patients. CONCLUSION: The serum levels of angiogenic factors are associated with molecular subtypes of breast cancer. Moreover, some of these angiogenic factors are affected by the histological type, the ΒΜΙ and the menopausal status of patients with breast cancer. The current study suggests a potential interaction of obesity and HB-EGF in breast cancer and specifically in triple negative molecular subtype. Further studies could enhance our findings and designate these factors as prognostic biomarkers in breast cancer and especially in triple negative breast cancer (TNBC). ΣΚΟΠΟΣ: Η αγγειογένεση εμπλέκεται στην ανάπτυξη και στον πολλαπλασιασμό των καρκινικών κυττάρων. Στον καρκίνο του μαστού ελέγχεται από τον σηματοδοτικό άξονα του αγγειακού ενδοθηλιακού αυξητικού παράγοντα (VEGF). Επιπλέον ελέγχε¬ται από διάφορους προαγγειογενετικούς παράγοντες στους οποίους περιλαμβά¬νεται ο επιδερμικός αυξητικός παράγοντας συνδεδεμένος με ηπαρίνη (HB-EGF) και ο αυξητικός παράγοντας των αιμοπεταλίων – CC (PDGF-CC), καθώς επίσης και συνυποδοχείς όπως η νευροπιλίνη -1 (NRP-1) οι οποίοι εμπλέκο¬νται προγνωστικά και θεραπευτικά στους ασθενείς με καρκίνο μαστού. Σκοπός της παρούσας μελέτης αποτελεί ο προσδιορισμός της έκφρασης των προαναφερθέντων αγγειογενετικών παραγόντων στη συστηματική κυκλοφορία γυναικών με πρωτοεμφανιζόμενο καρκίνο μαστού και η συσχέτιση τους με τον δείκτη μάζας σώματος (ΔΜΣ), το εμμηνορρυσιακό status, τους ιστολογικούς τύπους και τους μοριακούς υπότυπους του καρκίνου του μαστού. ΑΣΘΕΝΕΙΣ ΚΑΙ ΜΕΘΟΔΟΣ: Στη μελέτη συμπεριελήφθησαν 205 προεμμηνοπαυ-σιακές και μετεμμηνοπαυσιακές γυναίκες με πρώιμο καρκίνο του μαστού και 31 υγιείς μάρτυρες. Μετρήθηκαν τα επίπεδα έκφρασης στον ορό των αγγειογενετικών παραγόντων VEGF, HB-EGF, PDGF-CC και την NRP-1 και διερευνήθηκε η πιθανή συσχέτιση τους με κλινικές και ιστοπαθολογικές παραμέτρους. ΑΠΟΤΕΛΕΣΜΑΤΑ: Τα επίπεδα του VEGF ήταν σημαντικά υψηλότερα στις ασθενείς με διηθητικό καρκίνωμα συγκριτικά με τις ασθενείς με in situ πορογενές καρκί-νωμα. Τα επίπεδα στον ορό του PDGF-CC ήταν σημαντικά υψηλότερα στις ασθενείς με τον μοριακό υπότυπο LumB (Her2-) συγκριτικά με τις ασθενείς με τριπλά αρνητικό καρκίνο του μαστού. Επιπλέον παρατηρήθηκε διαφορετική έκφραση στα επίπεδα των περισσότερων βιοδεικτών μεταξύ υπέρβαρων/παχύσαρκων και φυσιολογικoύ βάρους ασθενών ανάμεσα στους μοριακούς υπότυπους του καρκίνου του μαστού. Τα επίπεδα στον ορό του HB-EGF, όσο αφορά τον τριπλά αρνητικό καρκίνο του μαστού ήταν σημαντικά υψηλότερα στις υπέρβαρες/παχύσαρκες ασθενείς συγκριτικά με τις ασθενείς με φυσιολογικό βάρος σώματος. ΣΥΜΠΕΡΑΣΜΑ: Τα επίπεδα των αγγειογενετικών παραγόντων στον ορό σχετίζονται με τους μοριακούς υπότυπους του καρκίνου του μαστού. Επίσης μερικοί από αυτούς τους αγγειογενετικούς παράγοντες επηρεάζονται από τον ιστολογικό τύπο, τον ΔΜΣ και το εμμηνορρυσιακό status των ασθενών με καρκίνο του μαστού. Η παρούσα μελέτη προτείνει μια πιθανή αλληλεπίδραση της παχυσαρκίας και του HB-EGF στον καρκίνο του μαστού και ειδικότερα στον τριπλά αρνητικό μοριακό υπότυπο. Περαιτέρω μελέτες θα μπορούσαν να ενισχύσουν τα ευρήματα μας και να αναδείξουν τα μόρια αυτά ως προγνωστικούς βιοδείκτες στον καρκίνο του μαστού και ιδιαίτερα στον τριπλά αρνητικό καρκίνο του μαστού
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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