1,721,002 research outputs found
Spatiality of innovativeness (un)rooted in knowledge transfer mechanisms: Bangalore’s new media activities
No full textThe central theme of this research is built around the research question of how regions develop sectors employing knowledge bases and institutions that diverge from existing regional specialization and institutional arrangements. The motivation stems from the observation that newer industrial activities—relying on a combinatorial knowledge base distinct from the locally rooted dominant arrangements—support innovation through varying institutional mechanisms that defy the conventional dichotomy of endogenous versus exogenous institutional structures.
We focus on how firms adopt various mechanisms to access critical knowledge and address the “mismatch” with regional institutions. We apply a qualitative research methodology to examine the phenomenon of industrial “branching” using the case of Bangalore-based new media industry. A semi-structured questionnaire was administered to nineteen sample firms, capturing responses on firm innovativeness, including the application of knowledge bases, the significance of regional institutions, and the entrepreneurial experiences of the founders. A four-dimensional schema grounded on the literature review is used to interpret firms’ choices of knowledge transfer mechanisms and to summarize the survey findings. We found that regional factorsheavily influence firms’ choices of knowledge transfer mechanisms, specifically, the degree of cognitive proximity with regional specialization and the perceived significance of regional institutions in shaping firm innovativeness. The results support our understanding of the intricate nature of firms rooted in local routines while simultaneously relying on agency-driven extra-regional channels that contribute to the spatiality of innovativeness
Explaining the past, predicting the future: the influence of regional trajectories on innovation networks of new industries in emerging economies
No full textEconomic geographers have recently made important contributions to the relationship between regional transformation, industrial specialisation and innovation networks in the emergence of new industries. However, most contemporary research has focused on the influence of networks on regional trajectories, paying lip service to how regional trajectories also influence network configurations. Furthermore, international comparative research on how specific regional innovation system (RIS) trajectories may shape innovation networks in new industrial sectors is underdeveloped. The paper investigates how the trajectories of Bangalore and Beijing RISs influence the objectives and geographical configuration of innovation networks in the new media industry. The coevolution of the different elements of the RIS trajectory points to the unfolding of politically and institutionally driven trajectory in Beijing and cognitively driven trajectory in Bangalore. These trajectories lead to specific barriers and opportunities for the development of innovation networks in new industrie
Investigation of charge carrier dynamics in beaded ZnO nanowire decorated with SnS2/IrOx cocatalysts for enhanced photoelectrochemical water splitting
No full textsponsorship: This work was supported by the National Research Foundation of Korea (NRF) , funded by the Ministry of Education, Science, and Technology (2018R1A6A1A03024334, NRF-2019R1A2C1006360) . (National Research Foundation of Korea (NRF) - Ministry of Education, Science|2018R1A6A1A03024334, National Research Foundation of Korea (NRF) - Ministry of Education, Science|NRF-2019R1A2C1006360)status: Publishe
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
Streamlined MOCVD growth of red InGaN LEDs via precursor-mediated surface reconstruction
No full textInGaN-based red light-emitting diodes (LEDs) present a significant challenge in perfecting nitride-based display technology. The epitaxial growth of high-indium InGaN active regions is hindered by both theoretical and technical limitations associated with the intrinsic properties of InGaN and the constraints of metal organic chemical vapor deposition. In this study, we report on the growth of red-emitting InGaN layers by exclusively employing an excessive group III precursor supply at a relatively high temperature. This approach induces structural and surface reconstruction, resulting in the formation of mounded surfaces with protrusions, which are further characterized by dense clusters of nanoscale spikes. Cathodoluminescence analysis reveals the luminescence properties of these structures. A growth model, combining Stranski-Krastanov growth mode and droplet epitaxy, is proposed to explain this growth behavior. Furthermore, a systematic study of carrier dynamics demonstrates an enhanced radiative recombination efficiency of the red emission peak at higher growth rates. The temperature-insensitive decay time is observed, and it is attributed to the strong localization of carriers. We successfully fabricated three LED devices exhibiting stable chromaticity in the violet, pink, and red spectral regions. This stability is attributed to the minimal influence of the quantum confined Stark effect.
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
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