From Conceptual Models to Safety Assurance
Safety assurance or certification is one of the most costly and time-consuming tasks in automotive, railway, avionics, and other...
A New Approach for N-ary Relationships in Object Databases
In an object-oriented or object-relational database, an n-ary relationship among objects is normally represented in a relation that is...
Database Design for NoSQL Systems
We propose a database design methodology for NoSQL systems. The approach is based on NoAM (NoSQL Abstract Model), a...
Fixing Up Non-executable Operations in UML/OCL Conceptual Schemas
An operation is executable if there is at least one information base in which its preconditions hold and such...
Generic Data Manipulation in a Mixed Global/Local Conceptual Model
Modern content management systems allow end-user schema creation, which can result in schema heterogeneity within a system. Building functionality...
Evaluating Modeling Languages: An Example from the Requirements Domain
Modeling languages have been evaluated through empirical studies, comparisons of language grammars, and ontological analyses. In this paper we...
Nòmos 3: Legal Compliance of Roles and Requirements
The problem of regulatory compliance for a software system consists of ensuring through a systematic, tool-supported process that the...
Towards an XBRL Ontology Extension for Management Accounting
The Extensible Business Reporting Language (XBRL) is used in several countries to share business data and it is largely...
Representing Hierarchical Relationships in INM
Real-world organizations has various natural and complex relationships with all kinds of people and other organizations. Such relationships may...
Cardinality Constraints for Uncertain Data
Modern applications require advanced techniques and tools to process large volumes of uncertain data. For that purpose we introduce...





