1,721,033 research outputs found
Document Image Retrieval by Layout Analysis
No full textA new layout-based document image retrieval system is
presented in this paper. The system is specifically designed
for commercial form retrieval and uses mathematical
morphology to extract structural components from the
document image. Document layout description is performed
by the Radon Transform whereas Dynamic Time Warping is
used for matching. The experimental results have been
carried out on both real and simulated data sets. They
demonstrate the effectiveness of the proposed approach
and their robustness with respect to different classes of
commercial forms and shifted/rotated document images
Ontology for Sustainable Manufacturing: A New Framework for Next Generation Manufacturing
No full textOntologies, i.e., semantic structures encoding concepts, relations and axioms, providing a model of a given domain, are widely used in different applications, e.g., medical, business, chemical. The main goal in designing and applying ontologies is to enable communication between people and computers/systems, allowing the re-use of knowledge, providing knowledge ordering, structuring and analysis. The essential conceptual structure of the domain of interest should be as general as possible, i.e., domain-independent, in order to improve the readability, reusability, and interoperability of knowledge in the target domain. Current demands and continuing trends in sustainable manufacturing processes justify the interest for an in-depth study of these processes, with particular focus on energy efficiency, resources optimization, operational safety, environmental harnessing and waste minimization. Very little work has been reported on recognizing the importance of structuring and integrating knowledge in the sustainable manufacturing context using ontology. A use-case scenario has been built for a very specific application in manufacturing to give the flavour of the potential future development of such an ontology for sustainable manufacturing. Because of the large variety of potential applications, the proposed analysis has been focused on the
drilling process. Drilling is a complex process, affected by several factors. The multiplicity of elements that can influence the drilling, and their reciprocal relationships make difficult a clear interpretation of this process. To overcome this problem and to provide a useful instrument to depict the components that influences drilling, an hybrid approach based on the usage of UML language is thus proposed. An ontological framework has been initially set up to delineate the borders of the system and to identify the key features of the process; then each feature has been
described in detail by means of UML. The model allowed to identify critical factors of the drilling, to map the causal relationships among them, and to provide a logical framework for optimization of the drilling process. The formalization of the relevant factors influencing drilling performance in industrial applications, has been validated within an important industrial reality where more than 800
of different drilling operations are performed using more than 100 drilling tools. This validation allowed to appreciate the usefulness of the model as a knowledge repository
and an explication method in industrial contex
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
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
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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