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Sökning: WFRF:(Garcia Eva) > Bokkapitel

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1.
  • García Martín, Eva, et al. (författare)
  • Energy Efficiency Analysis of the Very Fast Decision Tree Algorithm
  • 2017
  • Ingår i: Trends in Social Network Analysis. - Cham, Switzerland : Springer. - 9783319534190 - 9783319534206 ; , s. 229-252
  • Bokkapitel (refereegranskat)abstract
    • Data mining algorithms are usually designed to optimize a trade-off between predictive accuracy and computational efficiency. This paper introduces energy consumption and energy efficiency as important factors to consider during data mining algorithm analysis and evaluation. We conducted an experiment to illustrate how energy consumption and accuracy are affected when varying the parameters of the Very Fast Decision Tree (VFDT) algorithm. These results are compared with a theoretical analysis on the algorithm, indicating that energy consumption is affected by the parameters design and that it can be reduced significantly while maintaining accuracy.
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2.
  • Waterworth, John, et al. (författare)
  • What do elderly users want and need from fitness technologies? : Findings from the ELF@Home project
  • 2016
  • Ingår i: Integrating technology in positive psychology practice. - Hershey, USA : IGI Global. - 9781466699861 ; , s. 104-126
  • Bokkapitel (refereegranskat)abstract
    • It is well known that physical exercise has a significant beneficial effect on mental and physical health, and elderly fitness programs are a good and widely accepted approach to prevent frailty. In this chapter, we examine what elderly people actually want and need when it comes to technologies designed to support and encourage their physical fitness. We present the ELF@Home project as a case study, and report design insights and other results from user involvement in the project. User involvement is a key component of the approach and uses methods such as interviews, focus group meetings, early component and prototype tests with users, as well as inputs from medical experts. ELF@Home is a clear example of a "Positive Technology’" approach exemplifying the scientific and applied use of technology for improving the quality of personal experience through its structuring (by using a goal, rules, and a feedback system) and personal augmentation (to achieve multimodal and mixed experiences). The project proposes the adoption of new technology in everyday life from the perspective of positive psychology, approaching this aim by designing devices and systems that are actually usable and desirable in supporting extended healthy living for this target population.
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