By a strong conceptual completeness (XC) statement for a logical doctrine we mean an assertion that says that any theory of the doctrine can be recovered from an appropriate structure formed by the models of the theory. The expression ‘logical doctrine’ is used here as in [9] to mean a specific selection of logical operations giving rise to a notion of theory, in the form of a structured catego...

To design interfaces which occupy a continuous space of interaction, the conceptual model of an interface needs to be transferred to a spatial model. To find mappings between conceptual and spatial structure which are natural to people, an experiment is undertaken in which participants organize objects in a semi-circle of shelves around their body. It is analyzed how conceptual relationships be...

background: smart school project is a new step in information age; it can create fundamental changes in teaching-learning process as well as teacher-student tasks and roles and integration of information technology and curriculum. the main purpose of this paper is to evaluate smart schools current statues in mazandaran province based on “smart school” conceptual model during the academic year 2...

background: there are several conflicting conceptual models to explain social determinants of health (sdh) as responsible for most health inequalities. this study aimed to present these models in historical perspective and provide main component of sdh models as an ses indicators. methods: this was a narrative study using international databases to retrieve literature dealing with conceptual mo...

the issue of sustainable development has been widely acknowledged and spread rapidly after united nations conference on environment and development in rio in 1992. considerable attention is given to urban settlement areas. thus, role of urban development is seen as a challenging issue under circumstances. outcomes of the current patterns of world population growth and industrial development are...