1,720,961 research outputs found
Multiple granularity access to navigated Hypermedia documents using temporal meta-information
No full text[[abstract]]Various multimedia document systems that capture, integrate, and synchronously present media have been implemented in many areas. As data volume grows and the diversity of new medium increases, how to efficiently locate the segments of interest is an important issue. To address this problem, this paper presents a framework that facilitates multiple levels of access to navigated hypermedia documents in three different granularities: HTML slide level, navigation event level, and sentence level. In contrast to traditional approaches, hierarchical access structure of navigated hypermedia documents can be exploited by analyzing temporal meta-information captured in the recording stage or computed in the speech-text alignment process. The proposed framework has been applied in the developed "Web-based Synchronized Multimedia Lecture System" for efficient content access.[[note]]SC
Toward better retrieval and presentation by exploring cross-media correlations
No full text[[abstract]]This paper addresses explicit correlation and implicit correlation between various media streams in a composite multimedia document, the so-called navigated hypermedia document in our language learning system, in order to facilitate document retrieval and synchronized presentation. For replaying a recorded lecture in a form as close as possible to the original classroom experience, we devised a capturing mechanism to explicitly record all the lecturing media streams and relations between them, including instructors voice, slide change of the HTML lectures, and various guiding actions (e.g., tele-pointers, pen strokes, document scrolling, keyword highlighting, and text annotations) on HTML-based slides. In addition, for more effective learning, we study three different aspects - temporal, spatial, and content relation - of the implicit correlations that are inherently hidden between the media involved. The implicit relations are discovered by three designed processes: the speech-text alignment process for temporally synchronized speech-text presentation, the automatic scrolling process for the viewing windows spatial synchronization, and the content dependency checking process to ensure consistency of the content processed and the relations involved. The experimental results show that exploring cross-media correlations is helpful for system development in document presentation and retrieving. Users are allowed to replay a vivid and learning-effective multimedia lecture and to access the desired part of the document very easily via cross-media indexing. Hence the results have been applied to the development of online multimedia language learning systems aimed at improving students English and Chinese language capabilities.[[note]]SC
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
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
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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