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This short paper is intended to highlight an interesting psychological phenomenon affecting the accuracy of mental models. It occurs when two events happen as expected by an operator but for reasons that are actually not understood. In other words, a mental model of a problem is erroneously taken to be valid as a result of a mere co-occurrence. We discuss(More)
Classically, humans have been perceived as a source of faults in systems. Modern ergonomic views are promoting a somewhat different idea according to which humans are a factor of safety in unexpected situations. The safety of a system cannot be achieved without taking into account these two sides of cognition which compose what is called cognitive(More)
Supporting independent living for the ageing population in later life is an often-cited application area for ubiquitous computing. Telecare services such as remote monitoring systems are now coming onto the consumer market but there is little knowledge of the impact these technologies may have on relationships between family members and older relatives. We(More)
This paper is based on a survey of the parasites of the lepidopterous stem borers of graminaceous crops throughout East Africa and on laboratory studies of the more abundant species. In the survey emphasis was placed on the borers of maize and sorghum, but samples of other cultivated Graminae and wild grasses were also taken. Notes on the distribution and(More)
Dependability frequently focuses on approaches such as rigorous design and fault tolerance. A final software product is strongly influenced by the people who created it. Large variations in individual performance in software development have been observed. Some form of innate programming ability might account for some of the differences. The influence of(More)
Fauna Europaea provides a public web-service with an index of scientific names (including important synonyms) of all extant multicellular European terrestrial and freshwater animals and their geographical distribution at the level of countries and major islands (east of the Urals and excluding the Caucasus region). The Fauna Europaea project comprises about(More)
In this paper we discuss the current state of our work regarding the development and planned in-situ testing of a computer-based system to enhance community relations through the Neighbourhood Watch scheme. The system is intended for use in a community to help the residents interact with each other more easily and to encourage the reporting of suspicious(More)
Social media and online communication encourage social interaction but do little to strengthen community relations between people who live in the same area. The aim of this work is to develop a set of requirements, in this initial case from a group of older adults, for an online system aimed at increasing local face-to-face communication and enhancing(More)