1,721,057 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
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
A Grounded Theory Study of Grieving Among Asian Immigrant Women in the U.S. During the Covid Pandemic
No full textThe purpose of this study was to explore the grieving experiences of Asian immigrant women in the U.S. who lost their family member(s) during the COVID-19 pandemic. Participants eligible for the study were Asian women currently living in the U.S. who had an ethnic origin in an Asian country, first-generation immigrants with legal immigration status, speak English as a second language, and have experienced the death of a family member during the pandemic. Twelve Asian immigrant women whose ages ranged from 20 to 48 completed a demographic questionnaire and participated in an in-depth, semi-structured interview. Based on grounded theory methodology, the interviews were audio and video-recorded, transcribed, and analyzed to develop a theoretical framework for these bereaved Asian immigrant women’s grieving experiences in the context of COVID-19. Data analysis yielded 11 selective categories, 22 axial categories, and 47 open categories. The 11 selective categories were (1) relationship, (2) various reactions to the loss, (3) culture-specific behaviors, (4) individual coping, (5) coping with social support, (6) intrapersonal level, (7) interpersonal level, (8) community level, (9) societal level, (10) culturally tuned resources, and (11) culturally sensitive support. Discussion of findings and clinical implications for bereaved Asian immigrant women in the COVID era were provided. Also, the limitations of the present study and recommendations for future research were discussed
Suspended sediment transport in rivers: new indicators of transport dynamics for analysis of catchment and climate controls
No full textHolman, Ian P. - Associate SupervisorSuspended sediment is found naturally in rivers but can cause environmental and
engineering problems, especially if the quantity or quality has been altered. Many
factors affect suspended sediment concentration (SSC), such as land cover, land
use, vegetation growth, and weather, making it difficult to predict changes in SSC
at a location over short time periods (e.g., days to months). The aim of this
research was to improve the scientific understanding of intra-annual variations in
SSC through the statistical analysis of SSC timeseries data from rivers across a
variety of catchment and climate characteristics. The specific objectives were to:
(i) characterise the continental scale spatio-temporal variations in SSC dynamics
using new transport indicators, (ii) determine the contribution of climate to these
variations, and (iii) identify SS transport dynamic responses to climate oscillations
as a means to separate out the effects of shifts in seasonal weather from
catchment influences. The study used daily SSC (mg/l) and site attribute data
from the US Geological Survey (USGS), which included 1,666 gauging stations
of SSC across the continent, Hawaii and Puerto Rico. First, new indicators of
SSC dynamics were developed and applied to the data, based on magnitude,
frequency and timing (MFT). Through statistical analysis e.g., principal
component analysis (PCA) and K-means clustering, new insights in spatial
variability of temporal dynamics in SSC were identified e.g., high extreme events
in desert and mountainous areas, the longest duration of events in upper Midwest
and distinctly different timing of events in Puerto Rico. Next, further statistical
analyses (regression and geographically weighted regression) were conducted
on a reduced number of sites (n=120) to determine the relative importance of
different catchment and climate factors. The MFT indicators of SS enabled
identification of short term dynamics and new understandings of varying influence
of land use and land cover. The key results were identified that agricultural covers
were positively related with low frequency SSC events. Urban and forest covers
brought higher frequency events, except in the driest region. Annual average
precipitation had a negative relationship with SSC magnitude. Finally, the
influence of climate oscillations e.g., El Niño–Southern Oscillation (ENSO), North
Atlantic Oscillation (NAO), Pacific Decadal Oscillation (PDO) on SSC transport
dynamic indicators was evaluated for four catchments using continuous and
cross wavelet analyses. Periodicities in SSC indicators were identified that match
climate oscillations, suggesting that small shifts in seasonal weather (e.g., wetter
winters) can cause significant changes in SS transport dynamics in rivers. Future
works remain to be using latest SS data in the future or application of latest
technology e.g., turbidity as well as optimization of input parameters in modelling
by generation of MFT time series. This research provides new understandings of
SS transport dynamics in rivers and the relative importance of catchment and
climatic factors, which will inform practitioners of SS modelling for better
predictability in a changing climate.PhD in Wate
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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