This paper discusses the use of computer vision for interpreting human gesture. We first present the functional roles of human gesture and observe that in real life, gesture may be enhanced with physical instruments. In Human Computer Interaction, input devices such as the data-glove, are convenient tricks for computer scientists to sense human gesture but are not necessarily ecological instrum...

Collaborative tagging has been quickly gaining ground because of its ability to recruit the activity of web users into effectively organizing and sharing vast amounts of information. Here we collect data from a popular system and investigate the statistical properties of tag cooccurrence. We introduce a stochastic model of user behavior embodying two main aspects of collaborative tagging: (i) a...

This essay is considered an attempt to present how semiotic studies can be used as a perceptional aspect in reading architecture and urbanism. Appearance of each art is similar to creation of a “text” which transfers a set of customs, values and thought together with itself. Production of each “text” is based on its context, culture and intellectual bed of its origin society. Each text is an ...

Semiotic engineering is a semiotic theory of human–computer interaction, where interactive computer systems are viewed as one-shot messages sent from designers to users. Through the system’s interface, in many direct and indirect ways, designers are telling the users how they can, should, or must interact with the system in order to achieve a particular range of goals anticipated at design time...

Human evolution unfolded through a rather distinctive, dynamically constructed ecological niche. The human niche is not only generally terrestrial in habitat, while being flexibly and extensively heterotrophic in food-web connections. It is also defined by semiotically structured and structuring embodied cognitive interfaces, connecting the individual organism with the wider environment. The em...