This document describes how to develop Digital Twins & IoT Solution by using Conceptual Modeling for Business scenarios and subject matters. The "Conceptual Modeling" is extension of xtUML based ...

Abstract: Conceptual modeling is of great importance not only to Information Systems and Software Engineering, but also to Simulation Engineering. It is concerned with identifying, analyzing and ...

One of the great difficulties we encounter with “classic” plan delineation methodologies are ramp and stair projections. It has always been difficult to avoid calculating the ramp’s slope, as well as ...

Abstract: It all started in the 70'ies, when the simple object+attribute+relationship triplet was proposed to turn schemas of relational databases into something readable for the casual user. Since ...