Schema evolution in data warehouses
Knowledge and Information Systems
On Schema Evolution in Multidimensional Databases
DaWaK '99 Proceedings of the First International Conference on Data Warehousing and Knowledge Discovery
A Logical Model for Data Warehouse Design and Evolution
DaWaK 2000 Proceedings of the Second International Conference on Data Warehousing and Knowledge Discovery
The CVS Algorithm for View Synchronization in Evolvable Large-Scale Information Systems
EDBT '98 Proceedings of the 6th International Conference on Extending Database Technology: Advances in Database Technology
Preserving mapping consistency under schema changes
The VLDB Journal — The International Journal on Very Large Data Bases
Metadata management in a multiversion data warehouse
Journal on data semantics VIII
What-if analysis for data warehouse evolution
DaWaK'07 Proceedings of the 9th international conference on Data Warehousing and Knowledge Discovery
A semantic approach to ETL technologies
Data & Knowledge Engineering
E-ETL: framework for managing evolving etl processes
Proceedings of the 4th workshop on Workshop for Ph.D. students in information & knowledge management
BPMN-based conceptual modeling of ETL processes
DaWaK'12 Proceedings of the 14th international conference on Data Warehousing and Knowledge Discovery
Toward propagating the evolution of data warehouse on data marts
MEDI'12 Proceedings of the 2nd international conference on Model and Data Engineering
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In this paper, we visit the problem of the management of inconsistencies emerging on ETL processes as results of evolution operations occurring at their sources. We abstract Extract-Transform-Load (ETL) activities as queries and sequences of views. ETL activities and its sources are uniformly modeled as a graph that is annotated with rules for the management of evolution events. Given a change at an element of the graph, our framework detects the parts of the graph that are affected by this change and highlights the way they are tuned to respond to it. We then present the system architecture of a tool called Hecataeus that implements the main concepts of the proposed framework.