124,863 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe 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
Dispelling the Myths Behind First-author Citation Counts
No full textWe 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
Physiological characterization of drought stress response and expression of two transcription factors and two LEA genes in three Prunus genotypes
No full textGlobal warming has led to a progressive decrease in rainfall, which is reflected by a reduction of water resources in the soil and a negative effect on crop production in Mediterranean areas. Under drought stress, many plants react by inducing a different series of responses at both physiological and molecular levels, allowing them to survive for a variable period of time. Therefore, in order to understand the response of roots to drought conditions, the genotypes peach × almond ‘Garnem’ [P. amygdalus Batsch × P. persica (L.) Batsch] and their progeny, the hybrid ‘P.2175’ × ‘Garnem’-3 and OP-‘P.2175’ (P. cerasifera Ehrh.) were subjected to a period of water deficit. Drought conditions with a subsequent re-watering period were tested for potted plants for one month. Stomatal conductance and leaf water potential were measured to monitor the plant physiological responses. Significant differences among the drought stress and drought stress recovery treatments and among the genotypes were observed. In addition, four genes related to the ABA biosynthesis pathway were studied for their expression by RT-qPCR: an AN20/AN1 zinc finger protein (ppa012373m); a bZIP transcription factor (ppa013046m); a dehydrin (ppa005514m) and a LEA protein (ppa008651m). Their expression profiles correlated with our physiological results of drought response, being higher in roots than in phloem tissue. In general, the expression of the four studied genes was higher after 15 days under drought conditions. Under drought and recovery conditions, the zinc finger and bZIP transcription factors showed significant differences in their relative expression levels from LEA and dehydrin. These results suggest the role of LEA and dehydrin in the regulatory response to drought stress in Prunus genotypes. Therefore, the dehydrin and the protein LEA might be potential biomarkers to select rootstocks for tolerance to drought conditions
Màrius Díaz Bielsa, Una peça clau en la Badalona democràtica
No full textMàrius Díaz Bielsa fou el primer alcalde democràtic de la ciutat de Badalona després de la Guerra Civil. L'objectiu del present Treball Final de Grau és aprofundir en la persona del batlle que va estrenar la democràcia a la ciutat de Badalona. El seu carisma i la feina ben feta van aconseguir que la seva ciutat adoptiva cregués en ell i en el seu projecte. Va ser, i ho segueix essent, un home compromès amb la societat en la lluita cap a la democràcia i la igualtat, així com una persona d'acció. Avui dia, passats gairebé quaranta anys, quan es parla de Màrius Díaz Bielsa a Badalona, tothom té unes paraules de lloança i fins i tot de nostàlgia. Quan estudiem l'evolució històrica dels fets i dels protagonistes, veiem com de rellevant va ser Màrius Díaz Bielsa en tot aquest procés. En resseguir la seva vida, doncs, veiem també la nostra història.Màrius Díaz Bielsa fue el primer alcalde democrático de la ciudad de Badalona después de la Guerra Civil. El objetivo del presente Trabajo Final de Grado es profundizar en la persona del alcalde que estreno la democracia en la ciudad de Badalona. Su carisma y un trabajo bien hecho consiguieron que su ciudad adoptiva creyera en él y en su proyecto. Fue y lo sigue siendo, un hombre comprometido con la sociedad en la lucha hacia la democracia y la igualdad, así como un hombre de acción. Hoy día y pasados casi cuarenta años, cuando se habla de Màrius Díaz Bielsa en Badalona, todo el mundo tiene palabras de alabanza e incluso de nostalgia. Cuando estudiamos la evolución histórica de los hechos y de los protagonistas, vemos como la relevancia que tuvo Màrius Díaz Bielsa en todo este proceso. Al reseguir su vida vemos también nuestra historia.M.D. B. was the first democratic mayor of the town of Badalona after the Spanish Civil War. The aim of this work (Trabajo Final de Grado) is to delve into this leading figure of democracy in the town. His charisma and the good job he did made his adoptive town believe in him and in his project. He was, and he still is, a man committed to society in its fight towards democracy and equality, as well as an action man. After almost forty years, everybody has words of praise, even of nostalgia, when talking about him in Badalona. When we learn about the historical evolution of facts and their protagonists, we see the relevance Màrius had in all this process. When we learn about his life, we can also see our own history
Analisis Perencanaan Pencegahan Flowback Cutting Semen Pada String Menggunakan Polimer Xcd Pada Sumur B Lapangan Bz
No full textAnalysis of Flowback Prevention Planning for Cement Cutting on String Using XCD Polymer in Well B of BZ Field M. BIELSA ZEN 193210557 ABSTRACT Well B is a production well that was closed in 2017 because it was no longer economical. This well was reopened in 2019 to be converted into an observation well. Well B was opened by drilling out cement on the plug that closed the well. Before drilling out cement, there was a problem with the pump, namely that the actual pump flow rate was not ideally matched with the pump flow rate that had been calculated so if this was forced, it would cause flow back cuttings or accumulation of cuttings when drilling out cement which could cause the pipe circuit to be pinched. Therefore, planning to prevent flow back cutting was carried out in well B, during circulation for drilling at interval one, the total displacement volume was obtained at 92.84 bbl and the total polymer volume was 16.8 bbl or 20.5 sacks and at interval two the total displacement volume was obtained. amounted to 136.35 bbl and a total polymer volume of 14.7 bbl or 18 sacks by obtaining these results, planning to prevent flow back cutting can be resolved optimally because the cutting can be retained by the polymer which has good gel strength properties, and when circulating using The lag time value was obtained for the polymer at interval one, namely 20 minutes and at interval two, namely 47 minutes, so that the cutting time was successful in reaching the surface, and the Cutting Carrying Index value was obtained for the drill pipe, namely 2.9 and for the drill collar, namely 3.39. can be successful because it exceeds the success parameter, namely greater than or equal to 1
Pragmatic Case Studies as a Source of Unity in Applied Psychology
No full textTo unify or not to unify applied psychology: that is the question. In this article we review pendulum swings in the historical efforts to answer this question—from a comprehensive, positivist, “top-down,” deductive yes between the 1930s and the early 60s, to a postmodern no since then. A rationale and proposal for a limited, “bottom-up,” inductive yes in applied psychology is then presented, employing a case-based paradigm that integrates both positivist and postmodern themes and components. This paradigm is labeled “pragmatic psychology” and, its specific use of case studies, the “Pragmatic Case Study Method” (“PCS Method”). We call for the creation of peer-reviewed journal-databases of pragmatic case studies as a foundational source of unifying applied knowledge in our discipline. As one example, the potential of the PCS Method for unifying different angles of theoretical regard is illustrated in an area of applied psychology, psychotherapy, via the case of Mrs. B. The article then turns to the broader historical and epistemological arguments for the unifying nature of the PCS Method in both applied and basic psychology.Peer reviewe
Dr. Edwin Wright Collection: Author Unknown
No full textNotes - The author relates several short stories about his neighbours including Alex McDonell, homesteading and life around Meanook and Athabasca (1 page
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe 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
Measurement of the ratio of branching fractions B(B0→K∗0γ )/B(B0s→φγ ) and the directCP asymmetry inB 0→K∗0γ
No full textThe ratio of branching fractions of the radiative B decays B0→K⁎0γ and B0s→ϕγ has been measured using an integrated luminosity of 1.0 fb−1 of pp collision data collected by the LHCb experiment at a centre-of-mass energy of s√=7TeV. The value obtained is
B(B0→K⁎0γ)B(B0s→ϕγ)=1.23±0.06(stat.)±0.04(syst.)±0.10(fs/fd),
where the first uncertainty is statistical, the second is the experimental systematic uncertainty and the third is associated with the ratio of fragmentation fractions fs/fd. Using the world average value for B(B0→K⁎0γ), the branching fraction B(B0s→ϕγ) is measured to be (3.5±0.4)×10−5.
The direct CP asymmetry in B0→K⁎0γ decays has also been measured with the same data and found to be
ACP(B0→K⁎0γ)=(0.8±1.7(stat.)±0.9(syst.))%.
Both measurements are the most precise to date and are in agreement with the previous experimental results and theoretical expectations
The construction of Karen Karnak: The multi-author-function
No full textThis thesis is situated within the comparatively recent developments of Web 2.0 and the emergence of interactive WikiMedia, and explores the mode of authorship within a Read/Write culture compared to that of a Read/Only tradition. The hypothesis of this study is that the role of the audience has become merged with the author, and as such, represents new functions and attributes, distinct from a more conventional concept of authorship, in which the roles of audience and author are more separate. Read/Write and participatory culture, as defined by this study, is focused on collaboration, and includes the influences of D.I.Y. culture, Open-Source practices and the production of text by multiple authors. Multi-authorship presents a re-thinking of several concepts which support the notion of the individual author, since the focus of multi-authorship is not on attribution and ownership of a finished text, but on the continued malleability of a text. Modes of multi-authorship, demonstrated in the use of the pseudonyms Alan Smithee and Karen Eliot, represent declarative authors whose names signify multiple origins, whilst concurrently indicating a distinct body of work. The function of these names form an important context to this study, since primary research involves the construction of an experimental mode of multi-authorship utilising WikiMedia technology and the interaction of thirty nine participants, who are invited to create a body of work under the collective pseudonym Karen Karnak. The data generated by this experiment is analysed using aspects of Michel Foucault's author-function to identify and determine power structures inherent in the WikiMedia context. The interplay of power structures, including concepts such as identity, ownership and the body of work, affect the resulting mode of authorship and contribute to the construction of Karen Karnak, suggesting further areas of research into the emerging multi-author
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