Descriptive models and knowledge management. Experiences and Perspective

The complexity of reality, both constitutive and interpretation, led the increase, often redundant forms of knowledge benefiting brought the most advanced information and communication technologies whose communicative connotations binds specifically to the needs of rapid interaction and cost content. in recent years have been tested and evaluated many and varied models able to reproduce as closely as possible to real objects, in particular the process of creating a virtual model, namely the graphical representation of a three-dimensional object to 'internal software, it has gradually through explicit modeling techniques are increasingly diverse In the wake of these considerations are exemplified in three significant segments of a research conducted at different scales and in different contexts: urban, architectural and archaeological heritage, in which there are differences in methodology and consistent business practices, recognizing the specific needs and expressive approach.