Editorial ‐The future of copyright     

Markus Will 《媒体管理杂志》2013,15(3):143-146

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Erratum to: Computer-based learning of spelling skills in children with and without dyslexia     

Monika Kast  Gian-Marco Baschera  Markus Gross  Lutz J?ncke  Martin Meyer 《Annals of dyslexia》2012,62(2):135-136

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Portale Hypertension     

Bernhard Angermayr  Markus Peck-Radosavljevic 《Wiener klinische Wochenschrift Education》2013,8(1):1-13

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Hunting Causes and Using Them: Approaches in Philosophy and Economics. Nancy Cartwright     

Keith A. Markus 《Structural equation modeling》2013,20(3):535-540

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A music information system automatically generated via Web content mining techniques     

Markus Schedl  Gerhard WidmerAuthor VitaePeter KneesAuthor Vitae  Tim PohleAuthor Vitae 《Information processing & management》2011

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Exercise performance and cardiovascular health variables in 70-year-old male soccer players compared to endurance-trained,strength-trained and untrained age-matched men     

Morten Bredsgaard Randers  Jesper L. Andersen  Jesper Petersen  Emil Sundstrup  Markus D. Jakobsen  Jens Bangsbo 《Journal of sports sciences》2014,32(13):1300-1308

Abstract

The aim was to investigate performance variables and indicators of cardiovascular health profile in elderly soccer players (SP, n = 11) compared to endurance-trained (ET, n = 8), strength-trained (ST, n = 7) and untrained (UT, n = 7) age-matched men. The 33 men aged 65–85 years underwent a testing protocol including measurements of cycle performance, maximal oxygen uptake (VO₂max) and body composition, and muscle fibre types and capillarisation were determined from m. vastus lateralis biopsy. In SP, time to exhaustion was longer (16.3 ± 2.0 min; P < 0.01) than in UT (+48%) and ST (+41%), but similar to ET (+1%). Fat percentage was lower (P < 0.05) in SP (–6.5% points) than UT but not ET and ST. Heart rate reserve was higher (P < 0.05) in SP (104 ± 16 bpm) than UT (+21 bpm) and ST (+24 bpm), but similar to ET (+2 bpm), whereas VO₂max was not significantly different in SP (30.2 ± 4.9 ml O₂ · min^?1 · kg^?1) compared to UT (+14%) and ST (+9%), but lower (P < 0.05) than ET (?22%). The number of capillaries per fibre was higher (P < 0.05) in SP than UT (53%) and ST (42%) but similar to ET. SP had less type IIx fibres than UT (?12% points). In conclusion, the exercise performance and cardiovascular health profile are markedly better for lifelong trained SP than for age-matched UT controls. Incremental exercise capacity and muscle aerobic capacity of SP are also superior to lifelong ST athletes and comparable to endurance athletes.  相似文献   

Automated camera network design for 3D modeling of cultural heritage objects     

Bashar Alsadik  Markus Gerke  George Vosselman 《Journal of Cultural Heritage》2013,14(6):515-526

Image-based modeling is an appropriate technique to create 3D models of cultural heritage objects, which starts with the basic task of designing the camera network. This task is, however, quite crucial in practical applications because it needs a thorough planning and a certain level of experience. The optimal camera network is designed when certain accuracy demands are fulfilled with a reasonable effort, namely keeping the number of camera shots at a minimum. In this study, we report on the development of an automated method for designing the optimal camera network for a given cultural heritage building or statue. Starting from a rough point cloud derived from a video image stream, the initial configuration of the camera network is designed, assuming a high-resolution HR state-of-the-art non-metric camera. To improve the image coverage and accuracy, we use a mathematical non-linear optimization with constraints. Furthermore, synthetic images are created to guide the camera operator to the designed images. From the first experimental test, we found that a target accuracy of 10 mm could be maintained although the initial number of more than 300 high-resolution images got reduced to less than 90 for the final, optimized network.  相似文献   

What makes companies pursue an Open Science strategy?     

Markus Simeth  Julio D. Raffo 《Research Policy》2013

Whereas recent scholarly research has provided many insights about universities engaging in commercial activities, there is still little empirical evidence regarding the opposite phenomenon of companies disseminating scientific knowledge. Our paper aims to fill this gap and explores the motivations of firms that disclose research outcomes in a scientific format. Besides considering a dimension internal to the firm, we focus particularly on knowledge sourcing from academic institutions and the appropriability regime. We conduct an econometric analysis with firm-level data from the fourth edition of the French innovation survey (CIS) and matched scientific publications for a sample of 2512 R&D performing firms from all manufacturing sectors. This analysis provides evidence that firms are more likely to adopt academic principles if they need to access scientific knowledge that is considered important for their innovation development, whereas the mere existence of collaborative links with academic institutions is not a strong determinant. Furthermore, the results suggest that the inclination of firms to publish is sensitive to the level of knowledge spillovers in a sector and the effectiveness of legal appropriation instruments.  相似文献   

Fragments of your communication: Email,vmail, and fax     

M. Lynne Markus  Tora K. Bikson  Maha El‐Shinnawy  Louise L. Soe 《The Information Society》2013,29(4):207-226

Abstract

How are new media, such as electronic mail, voice mail, and fax, used when people have access to several of them simultaneously? This paper reports findings from a field study of media use in four sizable subunits within two large organizations where most employees had access to email, vmail, and fax. Respondents tended to use multiple electronic media rather than relying on one. However, they also showed a tendency to prefer one medium for asynchronous communication and to use the others for occasional, specialized purposes. Further, there were considerable differences across subunits in typical media use patterns. Although respondents expressed strong desires for multimedia integration, this study suggests that technological integration may not necessarily result in seamless, collaborative work.  相似文献   

Letter from Rob Kling-Editor-in-Chief     

Louise L. Soe  M. Lynne Markus 《The Information Society》2013,29(3):213-236

Abstract

Individuals who have ready access to three new communication media— email, vmail, and fax—may elect to use only one medium, or two or more in combination. Users make choices based on evaluations of the utility of each medium for their communication tasks (a function of the types of work they perform). Individuals may assess technological characteristics to evaluate the technological utility of each medium. However, since communication media require multiple users, individuals also may be expected to assess characteristics of the user community to evaluate the social utility of each medium. Social utility may be influenced by people's perceptions of the existence of a critical mass of media users, and by the social influence of their peers and superiors. This study finds that perceptions of the technological and social utility of email, vmail, and fax are relatively independent of the types of work people perform. Social utility explains media usage somewhat better than technological utility, except in the case of email. Thus, the concept of social utility should be given more attention in future investigations of media choice.  相似文献