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Conceptual modeling of domain object hierarchies, such as product hierarchies or organization hierarchies, is difficult due to the intricate nature of nonphysical domain objects organized in such hierarchies. Modeling domain object hierarchies as ...

With the popularization and application of big data technology and artificial intelligence technology, great breakthroughs have been made in the field of e-commerce. While, there are imperfections of user demand for major e-commerce platforms, for ...

This paper propose a new methodology for efficient implementation of OLAP operations using concept hierarchies of attributes in a data warehouse. The different granularity associated with a particular dimension and the hierarchy amongst those may be ...

Embedded systems are electronic devices that function in the context of a real environment, by sensing and reacting to a set of stimuli. Because of their close interaction with the environment, and to simplify their design, different parts of an ...

Defunctionalization is a program transformation that eliminates functions as first-class values. We show that defunctionalization can be viewed as a type-preserving transformation of an extension of F with guarded algebraic data types into ...