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
Investigating erosional processes and rate of erosion of a sea cliff in Hantsport, Nova Scotia
No full textCoastal erosion is a natural process that can become an issue when there is no space to accommodate the retreat of a coastline; this is the case in many coastal communities across Nova Scotia. Addressing issues such as erosional processes have become a priority as environmental disturbances are increasing in both magnitude and frequency which can threaten lives and infrastructure. Hantsport is a community in Nova Scotia, located along the coast of the Avon River estuary which empties into the Minas Basin. Recent studies on the Avon River have explored changes in bathymetry and sedimentation over time; however, specific coastal erosion studies in this area have not been done. Hantsport is unique as it is part of a macrotidal environment, with a tidal range of over 15 m, and has a long history of anthropogenic influence on the environment. For this study, sediment stratigraphy and hydrology, drone surveying, time lapse photography, ground penetrating radar, and community historical narratives were used to better understand how natural and anthropogenic processes influence coastal erosion.Sea cliffs parallel to Avon Street, Hantsport are composed of permeable post-glacial outwash sediment overlying impermeable glacial till, both of which are susceptible to oversteepening and vulnerable to wave, rain, and freeze-thaw induced failure. The contact between these strata dip towards the Avon River, a geometry that can result in the development of a glide plane that may lead to further sea cliff failure. Time lapse photography taken between June 2024 and January 2025, show that most failure is associated with high tide conditions that coincide with both storms (high wave energy) and rainfall.Winter temperatures and the establishment of a thin frozen surface layer can also produce a thin near-vertical cliff face that fails if the cliff base is eroded. Rainfall and thawing may further exacerbate this condition. Previously installed gabions and coastal hardening structures have slowed erosional processes; however, these structures have been significantly disturbed and in places removed by large storms and lack of maintenance. Where these structures are absent, erosion has accelerated. Areas of the coastline that lie perpendicular to wave fetch are especially vulnerable to continued and accelerated erosion.The coastline under study may require engineered structures to reduce the rate of erosion. A review of which approach is most compatible with the site is outside of the scope of this study though the rate of sea cliff retreat is significant enough to warrant immediate action.</p
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
Automated sinkhole delineation using lidar in the Cumberland Basin, Nova Scotia
No full textThe province of Nova Scotia is partially underlain by Carboniferous evaporites of the Windsor Group (e.g., anhydrate, gypsum, halite); these are weak, ductile rocks that are fundamental to local and regional geology including halokinesis. The Cumberland Basin, one of many sub-basins that define the larger Maritimes Basin, has significant amounts of Windsor Group evaporites near the surface. The tectonic history, including periods of transtension to transpression associated with movement across the Cobequid-Chedabucto fault system, has promoted planes of weakness and mobility within and adjacent to salt layers. In the more recent geologic past, karstic geomorphological features formed from the dissolution and erosion of weak evaporites near the surface that resulted in evident topographic depressions and surface collapse structures commonly known as sinkholes. Sinkhole formation has negatively impacted infrastructure across the Cumberland Basin, including adjacent to the Trans-Canada Highway and on private residences. This study has created an automated sinkhole delineation method to accurately locate sinkholes in the Cumberland Basin using Provincial LiDAR data. A geospatial workflow, utilizing ArcGIS software and 'ModelBuilder', has been produced that can locate and predict sinkhole locations. This new model allows us to better decipher the complex geological history of Windsor Group evaporites in the Cumberland Basin and to further define high-risk geohazard zones across the region. This project will improve the resolution of the current Provincial Karst Risk Map and is a first step towards creating an encompassing sinkhole database across Nova Scotia. Ultimately, this project will result in an increased understanding of evaporite-related geohazards by informing the public and professionals of sinkhole formation risk.</p
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
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