EXPRESS-G is a graphical modeling notation developed within STEP and used for IFC definition. It is used to identify classes, the data attributes of classes and the relationships that exist between classes. EXPRESS-G is directly related to the EXPRESS data definition language. That is, everything that is drawn in EXPRESS-G can be defined in EXPRESS. However, not everything that can be defined i...

It’s critical to foster artificial intelligence (AI) literacy for high school students, the first generation grow up surrounded by AI, understand working mechanism of data-driven AI technologies and critically evaluate automated decisions from predictive models. While efforts have been made engage youth in understanding through developing machine learning models, few provided in-depth insights ...

in this research, recognition of karstic water-bearing zones using the management of exploration data in kal-qorno valley, situated in the tepal area of shahrood, has been considered. for this purpose, the sequential exploration method was conducted using geological evidences and applying remote sensing and geoelectrical resistivity methods in two major phases including the regional and local s...

This paper is the sixth in a series of articles examining data modeling in the Unified Modeling Language (UML) from the perspective of Object Role Modeling (ORM). Part 1 discussed historical background, design criteria for modeling languages, object reference and single-valued attributes. Part 2 covered multi-valued attributes, basic constraints, and instantiation using UML object diagrams or O...