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Exploring History: a Mobile Inclusive Virtual Tourist Guide

In the present paper we report on the design decisions and the field test results of an inclusive mobile tourist guide app, the Time Machine. The historical information is conveyed by sound and the navigation information by haptics, while the app can be controlled eyes-free by a combination of on-screen and free-form gestures. To emphasize the eyes-free use, 9 of 11 test users recruited had severe

Good and bad opposites: using textual and experimental techniques to measure antonym canonicity

The goal of this paper is to combine corpus methodology with experimental methods to gain insights into the nature of antonymy as a lexico-semantic relation and the degree of antonymic canonicity of word pairs in language and in memory. Two approaches to antonymy in language are contrasted, the lexical categorical model and the cognitive prototype model. The results of the investigation support th

Instrumentation, Control and Automation in Anaerobic Digestion

Anaerobic digestion (AD) is a biochemical process in nature. It has been used to decompose organic waste in order to reduce environmental pollution, and to destroy pathogenic microorganisms for the protection of human and animal health. The process itself produces methane, which can then be used as an energy source. The use of AD in an integrated resource recovery system is one of the most importa

Size-selected compound semiconductor quantum dots by nanoparticle conversion

We have developed a novel technology, called nanoparticle conversion, for producing compound semiconductor quantum dots (QDs) in which the dot size, surface density, position, and the materials system are all independently controlled. Nanoparticle conversion also lends itself to spatially controlled positioning of QDs. To demonstrate this technology we report the formation of InP QDs using nanopar