The paper describes the representation and use of three ontologies in a software aiming at the assistance of a virtual team in business process analysis and improvement (BPI), usin...
Extraction–Transform–Load (ETL) processes comprise complex data workflows, which are responsible for the maintenance of a Data Warehouse. A plethora of ETL tools is currently a...
The measurement of the Data Quality is or should be a critical issue for Web portal users and developers. For the former, the evaluation of data quality is necessary as it ensures ...
We present SEMANDAQ, a prototype system for improving the quality of relational data. Based on the recently proposed conditional functional dependencies (CFDs), it detects and rep...
Extract-Transform-Load (ETL) workflows are data centric workflows responsible for transferring, cleaning, and loading data from their respective sources to the warehouse. Previous ...