As income increases, its share of spending on basic necessities decreases, while luxury goods and spiritual development increases.

Color patterns in fish are often multicomponent signals, composed of pigment-based and structural color patches that can be used to communicate within species, in both inter- and intrasexual interactions, and between species. In this review, we discuss some of the roles played by pigment-based elements of color pattern. We begin by discussing general forms of coloration, classifying them by app...

Can a simple positive feedback loop generate a goal-seeking behavior? The answer is yes. Can the behavior generated from a loop with a constant gain shift from a goalseeking one to an exponential growth one? The answer is also yes. From the above answers, one can conclude that link gains alone cannot explain the origin of behavior patterns. In this paper, we propose the “curvature-contribution”...

Many studies have investigated personalized information presentation in the context of mobile museum guides. In order to provide such a service, information about museum visitors has to be collected and visitors have to be monitored and modelled in a non-intrusive manner. This can be done by using known museum visiting styles to classify the visiting style of visitors as they start their visit....