1,721,009 research outputs found
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
Combining Optical and Vibrational Tactile Sensing for Pre-emptive Grip Force Modulation in Robotic Grasping
No full textThe last decade marked an incredible leap not only in computer science and engineering but also by a natural extension - Human-Robot Interaction. Robots are continuously evolving to simplify day-to-day tasks and the complex computational and physical challenges. However, to confidently rely on safe and efficient interactions with robots, anywhere from personal to industrial settings, we first need to ensure the robots are well-equipped to explore these settings and interact with this shared environment. In this sense, optimizing and reverse-engineering such a seemingly simple yet incredibly sophisticated process of grasping is more essential than ever. This work explores various tactile sensing techniques and aims to combine them into an ultimately optimal grasping system. The first sensor, OptiFlux, introduced in the thesis, utilizes a simple principle of intentional light leakage within incised optical guides induced by bending or pressure. An extension of this principle is a compact and flexible optical sensor capable of sensing small changes in the applied force. The second sensing system uses vibrational waves to carry essential information about the physical properties of the object that enters the system. This object information, combined with the pressure sensitivity acquired with the optical sensor, expands into an easily scalable soft tactile sensing system, allowing the robot to safely manipulate the most fragile objects. Lastly, both systems are integrated visually and analytically into a common graphical user interface, providing substantial ground for more efficient data collection and independent system control. Corresponding experiments explore the performance of each system individually and combine and present an opportunity for a discussion of future improvements and prospects of the research. In the world of tactile robotics, considering the advantages and drawbacks of various sensing methods, multimodal sensing might bring us closer to equipping robots with sensing capabilities matching or perhaps exceeding our own, leading to safer robotics
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
RoboHaptics: Designing Haptic Interactions for Lower Body with Quadruped Robot Dogs
No full textExtended Reality (XR) systems now offer high-quality visual and auditory immersion, yet their support for haptic feedback remains uneven, especially for the legs and feet. Many VR experiences visually depict lower-body events such as impacts, boundaries, and guidance, but provide little or no corresponding physical sensation. This thesis investigates whether a commercially available quadruped robot can be treated as a mobile, off-body “lower-body haptic instrument” rather than solely as a locomotion platform. We introduce RoboHaptics, a haptic toolkit that turns quadruped motion into programmable haptic prim-itives for the lower body. RoboHaptics abstracts low-level control into six parameterized primitives—Knock, Tap, Double Tap, Touch, Press, and Push—which can be configured by robot posture, approach trajectory, contact footprint, and target body location. Two technical studies characterize the capability envelope of these primitives. A load-cell experiment shows that different postures can safely deliver approximately 3–28 N of contact forces, within ranges suitable for repeated lower-body stimulation. A mannequin-based experi-ment quantifies reachability around the legs and demonstrates millimetre-scale precision and accuracy across common targets, confirming that the quadruped can reliably “hit” intended locations. Building on this characterization, two user studies investigate how quadruped-mediated lower-body hap-tics are experienced and interpreted. In VR scenarios such as a fence, a rolling ball, and a table edge, participants rated the comfort, realism, and immersion of RoboHaptics feedback in comparison to ground-truth physical proxies. A second study probes the six primitives as a tactile vocabulary, revealing consistent mappings from temporal–force profiles to social meanings including alerts, boundaries, assistance, and re-assurance. Together, this thesis establishes quadruped robots as a viable lower-body haptic instrument for XR, contributing a design space, authoring toolkit, empirical characterization, and design guidelines that connect robot movement choices to perceived safety, legibility, and immersion
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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