80 research outputs found

    Preventie van valincidenten bij thuiswonende ouderen: een kostenbesparende interventie?

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    Nationale en internationale cijfers tonen aan dat 1 op 3 thuiswonende 65-plussers en nagenoeg de helft van de 80-plussers minstens eenmaal per jaar valt. Bij ongeveer 40% van hen resulteert dit in een letsel. Ongeveer 10% van de valpartijen bij ouderen leidt tot ernstige letsels, waaronder heupfracturen (1-2%), andere fracturen (3-5%) en letsels van de weke delen en hoofdtrauma (5%)

    Once is an Instance, Twice is a Hobby: Multiple Optical and Near-Infrared Changing-Look Events in NGC 5273

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    NGC 5273 is a known optical and X-ray variable AGN. We analyze new and archival IR, optical, UV, and X-ray data in order to characterize its long-term variability from 2000 to 2022. At least one changing-look event occurred between 2011 and 2014, when the AGN changed from a Type 1.8/1.9 Seyfert to a Type 1. It then faded considerably at all wavelengths, followed by a dramatic but slow increase in UV/optical brightness between 2021 and 2022. We propose that NGC 5273 underwent multiple changing-look events between 2000 and 2022 -- starting as a Type 1.8/1.9, NGC 5273 changes-look to a Type 1 only temporarily in 2002 and again in 2014, reverting back to a Type 1.8/1.9 by 2005 and 2017, respectively. In 2022, it is again a Type 1 Seyfert with optical and NIR broad emission lines. We characterize the changing-look events and their connection to the dynamic accretion and radiative processes in NGC 5273.Comment: 18 pages, 13 figures, 4 tables, submitting to MNRA

    Is the metabolic cost of walking higher in people with diabetes?

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    People with diabetes walk slower and display biomechanical gait alterations compared with controls, but it remains unknown whether the metabolic cost of walking (CoW) is elevated. The aim of this study was to investigate the CoW and the lower limb concentric joint work as a major determinant of the CoW, in patients with diabetes and diabetic peripheral neuropathy (DPN). Thirty-one nondiabetic controls (Ctrl), 22 diabetic patients without peripheral neuropathy (DM), and 14 patients with moderate/severe DPN underwent gait analysis using a motion analysis system and force plates and treadmill walking using a gas analyzer to measure oxygen uptake. The CoW was significantly higher particularly in the DPN group compared with controls and also in the DM group (at selected speeds only) compared with controls, across a range of matched walking speeds. Despite the higher CoW in patients with diabetes, concentric lower limb joint work was significantly lower in DM and DPN groups compared with controls. The higher CoW is likely due to energetic inefficiencies associated with diabetes and DPN reflecting physiological and biomechanical characteristics. The lower concentric joint work in patients with diabetes might be a consequence of kinematic gait alterations and may represent a natural strategy aimed at minimizing the CoW

    Data mining for software engineering and humans in the loop

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    The field of data mining for software engineering has been growing over the last decade. This field is concerned with the use of data mining to provide useful insights into how to improve software engineering processes and software itself, supporting decision-making. For that, data produced by software engineering processes and products during and after software development are used. Despite promising results, there is frequently a lack of discussion on the role of software engineering practitioners amidst the data mining approaches. This makes adoption of data mining by software engineering practitioners difficult. Moreover, the fact that experts’ knowledge is frequently ignored by data mining approaches, together with the lack of transparency of such approaches, can hinder the acceptability of data mining by software engineering practitioners. To overcome these problems, this position paper provides a discussion of the role of software engineering experts when adopting data mining approaches. It also argues that this role can be extended to increase experts’ involvement in the process of building data mining models. We believe that such extended involvement is not only likely to increase software engineers’ acceptability of the resulting models, but also improve the models themselves. We also provide some recommendations aimed at increasing the success of experts involvement and model acceptability

    Geriatrische en gerontologische verpleegkunde: investeren in kwantiteit of in kwaliteit?

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    Het aantal 65-79 jarigen in Europa zal in de periode 2010-2030 toenemen met 37,4%. Indien de huidige trend zich verder zet zal deze groep ouderen actiever en gezonder zijn dan ooit tevoren. De groep ‘oudste’ ouderen (80 plus) zal in de periode 2005-2010 met 17 % toenemen en in de daarop volgende periode 2010-2030 nog eens met 57 %. In absolute cijfers bijna 34,7 miljoen in vergelijking met de huidige 18,8 miljoen. Ook voor deze groep van ouderen wordt verwacht dat ze in de toekomst meer zelfstandig blijven en ervoor zullen kiezen zo lang als mogelijk thuis te wonen. De nood aan intensieve verzorging zal door een gezonder leven van de huidige jongere generaties meer opschuiven naar het einde van het leven

    Software requirements engineering: een iteratieve aanpak

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    De kwaliteit van conceptuele modellen is erg belangrijk voor de ontwikkeling van informatiesystemen. Met FCA (Formele Concept Analyse) kan op een formele, iteratieve manier aan requirementsanalyse worden gedaan. Deze aanpak maakt gebruik van diagrammen om de kwaliteit van conceptuele modellen te onderzoeken en gericht te verheteren. De diagrammen zijn erg toegankelijk voor zowel businessexperts als software-engineers
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