128,041 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
Human-data interaction in healthcare
No full textIn this chapter, we focus on an emerging strand of IT-oriented research, namely Human-Data Interaction (HDI) and on how this can be applied to healthcare. HDI regards both how humans create and use data by means of interactive systems, which can both assist and constrain them and the operational level of data work, which is both work on data and by data. Healthcare is a challenging arena where to test the potential of HDI towards a new, user-centered perspective on how to support and assess “data work”. This is especially true in current times where data are becoming increasingly big and many tools are available for the lay people, including doctors and nurses, to interact with health-related data. This chapter is a contribution in the direction of considering health-related data through the lens of HDI, and of framing data visualization tools in this strand of research. The intended aim is to let the subtler peculiarities among different kind of data and of their use emerge and be addressed adequately. Our point is that doing so can promote the design of more usable tools that can support data work from a user-centered and data quality perspective and the evidence-based validation of these tools
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
Paper Session II-B - Inspector and the ISSA
No full textInspection, maintenance, and repair will be an important part of International Space Station Alpha (ISSA) operations. The ISSA will employ manipulator arms and crew EVA (extra vehicular activity) to perform these functions. Particularly advantageous for safe and effective operations is the capability to visually inspect unpiessurized areas of ISSA and to illuminate and monitor EVA tasks.
DASA (Daimler-Benz Aerospace) is developing a free-flying satellite named Inspector that, as it evolves, will complement both EVA and manipulator task performance and eventually provide these types of operations. Rockwell Aerospace is working with DASA to design, develop, verify, and operate Inspector.
This paper describes the Inspector spacecraft, its command and control system, the scheduled and \u27proposed flight demonstrations, and its application to ISSA
Compact Toeplitz Operators for Weighted Bergman Spaces on Bounded Symmetric Domains
No full textLet Omega subset of C(d) be an irreducible bounded symmetric domain of type (r, a, b) in its Harish-Chandra realization. We study Toeplitz operators T(g)(v) with symbol g acting on the standard weighted Bergman space H(v)(2) over Omega with weight nu. Under some conditions on the weights nu and nu (0) we show that there exists C(nu, nu (0)) > 0, such that the Berezin transform (g) over tilde nu 0 of g with respect to H(nu 0)(2) satisfies: parallel to(g) over tilde (nu 0)parallel to(infinity) C where C is a constant depending on (r, a, b).DFG (Deutsche Forschungsgemeinschaft
Auroral interactions with ISSA
No full textDue to its high inclination orbit, International Space Station Alpha (ISSA) will occasionally experience surface charging by the high energy electrons of the auroral environment. This study looks at the frequency of these occurrences and recapitulates a charging model. ISSA should expect about 80 auoral encounters annually. If the plasma contactor is not run continuously, the vehicle may charge several hundred volts. Charge storage on standard space station coatings should not be a problem, but care must be taken that materials are not introduced inadvertently that cannot bleed off accumulated charge in a reasonable time. A conductivity requirement may be used to ensure surface materials do not charge to high voltages, or store charge for long periods of time
Designing Solutions for the Commons
No full textThe regeneration of the commons occurs through direct involvement of groups of people who interact closely with spaces, and who aim to improve the overall quality of life and experiences connected with those spaces. This process starts from an increased consciousness towards places that do not belong to the private realm but are public or can potentially be used by the society Revealing the commons means being aware of the potentialities of these “hidden places” to not only connect people with them, but for people to also create a previously unknown sense of community and ownership among themselves. By showing best practices developed by the Polimi DESIS Lab in the city of Milan and its surroundings, this paper reveals: how design relates to this process; the relationship between the time of involvement and the effectiveness of the results the short- and long-term impacts of these interventions; and the legacy of the regeneration, including both failures and successes
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