Multirelational Semantics for Extended Entity-Relationship Schemata With Applications
This paper describes a multirelation semantics for a fragment of the Extended Entity-Relationship schemata formalism based on the bicategorical...
Managing Unstructured E-Commerce Information
This paper describes an e-commerce application build on the Electronic Trading Opportunities System. This system enables ‘Trade Points’ and...
A Meta-model for e-Contract Template Variable Dependencies Facilitating e-Negotiation
Contracts are important for attaining business process interoperability and enforcing their proper enactment. An e-Contract is the computerized facilitation...
Theoretical and Practical Issues in Evaluating the Quality of Conceptual Models
Recently, an international standard has been proposed for evaluating software quality (ISO/IEC 9126). However there is no equivalent stan-dard...
Quality in Conceptual Modeling – New Research Directions
Quality is currently one of the main research topics in conceptual modeling. In this paper nine new research contributions...
Evaluation Framework of Requirements Engineering Tools for Verification and Validation
This paper presents an evaluation framework for requirements engineering tools (RETs). We provide a list of qualitative requirements to...
Hierarchical ER Diagrams (HERD) – The Method and Experimental Evaluation
HERD (Hierarchical Entity-Relationship Diagram) is a semi-algorithmic, bot-tom-up method for creating hierarchical ER diagrams (ERD) from a given ”flat“...
Detection of Redundant Arcs in Entity Relationship Conceptual Models
One measure of the quality of a conceptual model is the quality of design that can be derived from...
Assessing Object-Oriented Conceptual Models Maintainability
Conceptual modeling has become a key task in the early phases of object oriented (OO) software life cycle. In...
Validation of UML Classes through Animation
Animation is the validation of formal software specifications by means of automatically generated prototypes. Animation is an effective way...
