Extending Organizational Modeling with Business Services Concepts: An Overview of the Proposed Architecture
Nowadays, there is wide consensus on the importance of organizational modelling in the definition of software systems that correctly...
On Enabling Data-Aware Compliance Checking of Business Process Models
In the light of an increasing demand on business process compliance, the verification of process models against compliance rules...
Query Answering under Expressive Entity-Relationship Schemata
We address the problem of answering conjunctive queries under constraints representing schemata expressed in an extended version of the...
A Conceptual Approach to Database Applications Evolution
Data-intensive systems are subject to continuous evolution that translates ever-changing business and technical requirements. System evolution usually constitutes a...
Automated Co-evolution of Conceptual Models, Physical Databases, and Mappings
Schema evolution is an unavoidable consequence of the application development lifecycle. The two primary schemas in an application, the...
A SchemaGuide for Accelerating the View Adaptation Process
Materialization of XML views significantly improves query performance in the often slow execution times for XPath expressions. Existing efforts...
Complexity of Reasoning over Temporal Data Models
We investigate the computational complexity of reasoning over temporal extensions of conceptual data models. The temporal conceptual models we...
Using Preaggregation to Speed Up Scaling Operations on Massive Spatio-temporal Data
A frequent operation in e-Science is downscaling of some data item or part thereof, such as obtaining a 1...
Situation Prediction Nets
Situation awareness in large-scale control systems such as road traffic management aims to predict critical situations on the basis...
Model-Driven Data Migration
The automatic generation of components from abstract models greatly facilitates information systems evolution, as changes to the model are...