This article presents a novel AAC communication aid based on semantic rather than syntactic schema, leading to more natural message construction. Users interact with a two-dimensional spatially organized image schema, which depicts the semantic structure and contents of the message. An overview of the interface design is presented followed by discussion of its implications and limitations. Pote...

In this paper, we discuss the phenomenon of aging in relation to Hofmann’s three perspectives on disease including disease, illness and sickness role. We further discuss how the introduction of technology supported elderly care changes our perspectives on aging into becoming more disease focused. Especially, in user situations where technology supported care is introduced in order to prevent an...

a r t i c l e i n f o JEL classification: C53 G17 Keywords: GARCH Higher conditional moments Approximate predictive distributions Value-at-Risk S&P 500 Treasury bill rate Euro–US dollar exchange rate It is widely accepted that some of the most accurate Value-at-Risk (VaR) estimates are based on an appropriately specified GARCH process. But when the forecast horizon is greater than the frequency...

Action-at-a-distance interactions between permanent magnets and superconductors known as “flux pinning” provide a novel way to fix many modular space systems in desired relative positions and orientations, from space stations to close-proximity formations. When cooled appropriately, these flux-pinned interfaces require no power or active control and very little mass but provide very high mechan...

This paper proposes a novel fast computational method to determine the simultaneous power available transfer capability (ATC) in a power system. This method consists of a fast estimation algorithm and a constrained power flow iteration. The ATC limiting factors considered in the method are: line thermal limits, bus voltage limits, and generator reactive power limits. When combined with the firs...

Assistive technology (AT) can help support the continued independence of people living with dementia, supported by informal carers. Opinions and preferences of informal carers towards a range of assistive and digital information and communication technologies (ICT) to support food purchase and menu selection, including navigation and online shopping, and safe meal-making by individuals living w...

NEW, effective methods of non-visual communication are needed for individuals who are blind or visually impaired in the modern world. Areas of relevance include tasks performed in the workplace, in educational settings, in the pursuit of leisure activities, in daily living, and navigating indoor and outdoor spaces. Providing an equivalent of what can be seen through an alternate sensory channel...

PURPOSE People with disability have a right to assistive technology devices and services, to support their inclusion and participation in society. User-centred approaches aim to address consumer dissatisfaction and sub-optimal outcomes from assistive technology (AT) provision, but make assumptions of consumer literacy and empowerment. Policy discourses about consumer choice prompt careful refle...