1,720,967 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
Types of cancers diagnosed and the preference of families of adult patients with cancer about disclosing diagnosis to the patients
Full text linkBackground: Cancer has become one of the top causes of death in developing nations killing more people than the common infectious diseases do. For several reasons, disclosing cancer diagnosis to the patient is a challenging job for physicians and family members.Materials and methods: A cross-sectional study was done to determine the common cancer diagnosis and the preference about disclosing cancer diagnosis to the patients among attendants of adult cancer patients seen at the regular surgical OPD of St. Paul’s Hospital Millennium Medical college (SPHMMC) in June 1-31st 2015. Medical records of the patients and face-to-face interview with attendants were used to generate the data and analysis was done with SPSS version 19.0.Results: A total 112(7.3%) patients were diagnosed to have cancer and 104 attendants (93%) were interviewed. The mean age of the patients was 48.2 years, Females made up 59% of the patients. The commonest cancer diagnosed was breast cancer. Male (62.7%) and children (36.1%) were the main attendants. Only 56.6% of the attendants agreed that patients should be the first to know diagnosis results. When possible, 84.3% preferred to hide diagnosis. Although 81.3% attendants did not like diagnosis disclosure to the patient, all of them wanted to know the diagnosis if they develop cancer. Nearly all, 98.8%, of the attendants preferred to hear the diagnosis from their doctors.Conclusions: Cancer is a relatively common diagnosis occurring at a younger age. The rate of cancer diagnosis disclosure acceptance and practice by attendants was low. Population-based and multicentre study with a larger sample size is recommended to define the condition betterKeywords: Cancer, disclosure, reaso
Patterns of Surgically Treated Thyroid Disease: A Two Years Review at St. Paul Hospital Millennium medical Collage, Addis Ababa, Ethiopia
Full text linkBACKGROUND: Thyroid disease is a common disorder of the endocrine system worldwide. It is a common problem in developing countries, including Ethiopia. The aim of this study was to determine the burden and the pattern of thyroid disease in St. Paul’s Hospital Millennium Medical College, Addis Ababa, Ethiopia.METHODS: A retrospective review of patients’ medical records over a two-year period, January 2013-december 2014, was done. OR log books, and individual patient medical records was used for the review. Data was analyzed with SPSS version 20.RESULTS: A total of 2201 general surgical operations were done in a two-year period. Of these, 250(11%) were for thyroid surgery. Records of 222(88.8%) patients were found and used for analysis. Females accounted for 91.4% with F: M ratio of 10.7:1. The common mode of presentations were anterior neck swelling (91.4%) and toxic (29.7%) and pressure symptoms(19.4%). The common physical findings identified were multi nodular goiter (57.2%), diffuse goiter (23.9%) and solitary nodule (5.8%). FNAC showed that Nodular colloid goiter was common diagnosis (68.5%). Neoplasms accounted for 15.9% of the diagnosis; of this follicular neoplasm make (54%) and papillary cancer (20%). Functionally, hyperthyroid goiter 28.8% and euthyroid goiters (64 %). Transient hypocalcaemia (3.2%) and hoarseness of voice (1.8%) were the commonest complications. There was no postoperative mortality.CONCLUSION: Hyperthyroidism and neoplasms make significant proportions of the patients. Follicular neoplasm is the commonest tumor. Morbidity and mortality rates are comparable to the literature.
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
Giant Appendicolithiasis Presenting with Chronic Abdominal Pain and Mass: A Case Report
Full text linkBACKGROUND: Appendicitis is the most common cause of acute abdomen. The diagnosis of appendicitis can be easy when it presents with the classical symptoms or is very challenging when present with atypical presentation. Around 20-30% of patients operated on for appendicitis have appendicolithiasis. Appendicolithiasis are usually small in size, and are called giant when more than 2cm in size.CASE DETAIL: A 36 years old man was referred from a district hospital with a diagnosis of cecal cancer. His complaints were right lower quadrant (RLQ) abdominal mass of 03 months and pain of 18 months duration. Colonoscopy was normal but abdominal CT showed a RLQ mass with a dense radio-opaque shadow at its center.CONCLUSIONS: Giant appendicolith is a rare condition. A high index of suspicion and careful review of imaging findings is the key in early diagnosis and improved patient outcomes.
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