1,720,968 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Full text linkWe 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
Full text linkWe 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
Diagnosis and treatment of paragangliomas and pheochromocytomas: a survey from the Italian Association for Neuroendocrine Tumors
No full textBackground: Pheochromocytomas (PCCs) and paragangliomas (PPGLs) are rare neuroendocrine neoplasms (NENs) with heterogeneous clinical presentations. Given the rarity of PCCs/PPGLs and the paucity of high-level evidence, therapeutic decisions and treatment sequences vary across institutions. This survey explored current diagnostic practices and treatment patterns among Italian healthcare professionals (HCPs) dedicated to NENs. Methods: An online survey was conducted among Italian HCPs, members of the Italian Association for Neuroendocrine Tumors (ITANET). The survey included 33 questions covering diagnosis, genetic counseling, imaging, and treatment approaches. Responses were collected from December 15, 2023, to May 30, 2024, and analyzed using descriptive statistics to identify trends in clinical practice. Results: We recorded 80/355 responses from invited HCPs (response rate: 23%). Most HCPs (90%) referred all PCC/PPGL patients for genetic counseling, with 71% adopting gene panels for syndromes like VHL, MEN2, and familial PPGLs. Functional imaging preferences included 68Ga-DOTA-peptide PET/CT (38%), 18F-DOPA PET/CT (26%), and 123I-MIBG scintigraphy (19%). First-line systemic treatments favored somatostatin analogs (39%), clinical trial enrollment (19%), and CVD chemotherapy (15%). Radioligand therapy (RLT) emerged as the preferred second-line treatment (49%). Overall, RLT was perceived as the most effective treatment for achieving objective responses, durable responses, and improving health-related quality of life. Conclusions: Clinical wisdom rather than formal evidence and guidelines recommendations appears to guide the management of PCC/PPGLs among Italian HCPs. International, multi-institutional clinical trials designed to take into account the rarity of PCCs/PPGLs are needed to generate high-level evidence and provide guidance for standard clinical practice
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
DLL3 as a potential diagnostic and therapeutic target in neuroendocrine neoplasms: A narrative review
No full text: Neuroendocrine neoplasms (NENs) represent a diagnostic and therapeutic challenge, due to their heterogeneity and limited treatment options. Conventional imaging techniques and therapeutic strategies may become unreliable during follow-up, due to the tendency of these neoplasms to dedifferentiate over time. Therefore, novel diagnostic and therapeutic options are required for the management of NEN patients. Delta-like ligand 3 (DLL3), an inhibitory ligand of Notch receptor, has emerged as a potential target for novel diagnostic and therapeutic strategies in NENs, since overexpression of DLL3 has been associated with tumor progression, poor prognosis and dedifferentiation in several NENs. This narrative review examines the current evidence about DLL3, its structure, function and association with tumorigenesis in NENs. Ongoing studies exploring the role of DLL3 as an emerging diagnostic marker are reviewed. Promising therapeutic options, such as antibody-conjugated drugs, CAR-T cells and radioimmunoconjugates, are also discussed
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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