In the library-management-service we combine Scala with technologies such as PostgreSQL, Flyway, Doobie, Ciris, Cats IO, HTTP4S, ZIO-JSON, and Cake Pattern. Library Domain Model(UML Class Diagram ...

Multiplicity in UML diagrams is a way of expressing how many instances of one class can be associated with another class. For example, a student can enroll in many courses, and a course can have ...

identifiers, along with what in UML should not be used in a data model. And, since the whole point of preparing a data model (regardless of notation) is to present it to management for validation, ...

However, UML is not prepared to capture domain requirements for quality. To achieve this goal, models based on GORE (Goal-Oriented Requirements Engineering) are used as i* (iStar). This paper presents ...