1,721,028 research outputs found

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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

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    “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

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    We 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

    Morphological evaluation and yield performance of lentil genotypes against stemphylium blight

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    Experiment was designed to screen out lentil genotypes against Stemphylium blight (SB). Thirty-five test genotypes along with one moderately susceptible popular local control ‘Moitree’ were grown under natural epiphytotic condition in the farm of BCKV during 2020-21 and 2021-22. Genotypes wise crop phenological characters, yield and disease severity data were recorded. The result revealed, genotypes ILL10838/ILWL11/X2016S was resistant to SB with highest yield (1184.00 kg/ha) followed by 8114/10956/16-1 (1112.20 kg/ha) and IPL 220 (1072.90 kg/ha) with MR reaction. Pooled analysis of two years experimental data used to develop the model Y = 336.21 + 6.12x [R2 = 0.86] explained that there is an increase of yield 6.12 kg/ha with every 1 unit increase in the number of pods per plant. Correlation of determination value (R2 = 0.86) proved the feasibility of the model. Lentil genotypes ILL10838/ ILWL11/X2016S and 8114/10956/16-1 are the best suited for its cultivation and may scaled up for future breeding programme

    Dispelling the Myths Behind First-author Citation Counts

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    We 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

    Author Index

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    Promoting the Use of Cactus Pear to Enhance Sustainable Livelihoods in Semi-arid Areas of India

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    Small holder farmers in semi-arid environments have limited resources to improve the supply of animal feeds. Cactus pear (Opuntia ficus-indica) is an ideal candidate that can grow in degraded land with minimum inputs. However, proven agronomy best practices under these conditions are needed. The objectives of this study were to evaluate the effect of planting date on cactus pear canopy development and yield and to evaluate the effect of organic manure and supplemental irrigation applications on cactus pear yield. The experiment was conducted at ICARDA-FLRP, Amlaha, India using randomized complete block design with two factors (planting date and manure and supplemental irrigation applications) replicated four times. The experimental unit consisted of four rows with ten plants per row. Cactus pear pads were planted in four different dates: mid-July, mid-October, mid-February and mid-April 2016-2017. 2 kg organic manure/plant was added to half of exponential units during the planting time and supplemental irrigation was provided when was needed. The other half (control) was left untreated. Preliminary results indicate that the total number of cladodes/plant and dry matter (DM kg/plant) were affected significantly (P<0.001) by planting date, organic manure and supplemental irrigation and their interaction. However, these effects were not significant for the cladode surface area, length, width and thickness. The total number of the cladodes and the DM were the highest (75, 73) and (1.61, 1.64) for treated and control plants respectively when planting in mid-July. Mid-February planting date led to the lowest number of cladodes and DM for control plants. Except of mid-July date, the effect of organic manure and supplemental irrigation significantly increased the total number of cladodes and DM. Planting cactus pear in mid-July was found to be the most suited option for farmers in ICARDA-FLRP, Amlaha. Supplemental irrigation with organic manure can enhance the productivity of cactus pea

    koamabayili/VECTRON-author-checklist: VECTRON author checklist

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    We 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

    Legumes in rice-based cropping systems

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    A WOCAT factsheet regarding: Legumes in rice-based cropping systems. In India, 29 percent of the area cropped with rice remains fallow during the dry "rabi" season. This offers the opportunity to improve farm income and soil health by introducing legumes especially lentils. Diversifying the cropping system in such a way results in higher farm income due to additional crop produce and reduced carbon and water footprints
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