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“...
Intentions of Operations – Characterization and Preservation
Frequent changes of software requirements imply changes of the underlying database, like database schema, integrity constraints, as well as...
An Active Approach to Model Management for Evolving Information Systems
It is desirable to be able to interchange design information between CASE tools. Such interchange facilitates cooperative development, helps...
Toward the Automatic Derivation of XML Transformations
Existing solutions to data and schema integration require user interaction/input to generate a data transformation between two different schemas....
Mobile Information Systems – Research Challenges on the Conceptual and Logical Level
This paper discusses new challenges and possible approaches for developing and evolving mobile information systems, with focus on model-based...
VACXENE: A User-Friendly Visual Synthetic XML Generator
Synthetic collections of valid XML documents are useful in many XML applications. However, creating test cases for XML applications...
A Cooperation Model for Personalised and Situation Dependent Services in Mobile Networks
Situation dependent services are services that significantly depend on the user’s context. Considering the individual needs, such services are...
A New Inlining Algorithm for Mapping XML DTDs to Relational Schemas
XML is rapidly emerging on the World Wide Web as a standard for representing and exchanging data. It is...





