Since the late 1970s, relational database technology has been adopted by most
organizations to store their essential data. However, nowadays, the needs of these …

Data warehouses are databases of a specific kind that periodically collect information about
the activities being performed by an organization. This information is then accumulated over …

Abstract The Unified Foundational Ontology (UFO) has been used to provide foundations for
the major conceptual modeling constructs. This ontology has led to the OntoUML Ontology …

This article reports a systematic review on the definition of UML profiles in the research
literature. Several exploratory statistical analyses have been performed in order to …

With the emergence of Cyber-Physical Systems (CPS), several sophisticated runtime
monitoring solutions have been proposed in order to deal with extensive execution logs …

Most current conceptual modeling languages and methods do not model events as entities.
We argue that, at least in object-oriented (OO) languages, modeling events as entities …

Modern enterprise information systems often require to specify their functional and non-
functional (eg, Quality of Service) requirements using expressions that contain temporal …

Digital Twins are emerging as a solution to build and extend existing software systems to
make better use of data produced by physical systems. For supporting the development of …

Existing modeling tools provide direct access to the most current version of a model but very
limited support to inspect the model state in the past. This typically requires looking for a …

There is an abundant literature on Ethereum, but as far as we know what is missing is its
explicit conceptual schema. We present here the conceptual schema of Ethereum in UML …