Adapting materialized views after redefinitions
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
A framework for supporting data integration using the materialized and virtual approaches
SIGMOD '96 Proceedings of the 1996 ACM SIGMOD international conference on Management of data
PODS '99 Proceedings of the eighteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Making views self-maintainable for data warehousing
DIS '96 Proceedings of the fourth international conference on on Parallel and distributed information systems
Selection of Views to Materialize in a Data Warehouse
ICDT '97 Proceedings of the 6th International Conference on Database Theory
Aggregate-Query Processing in Data Warehousing Environments
VLDB '95 Proceedings of the 21th International Conference on Very Large Data Bases
VLDB '97 Proceedings of the 23rd International Conference on Very Large Data Bases
View Adaptation in Data Warehousing Systems
DEXA '98 Proceedings of the 9th International Conference on Database and Expert Systems Applications
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
View Maintenance after View Synchronization
IDEAS '99 Proceedings of the 1999 International Symposium on Database Engineering & Applications
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In this paper, we show how view adaptation can be supported in order to keep views up to date and running after view redefinition. In particular in the area of integrated systems such as Web sites, data warehousing systems and mediator systems, efficient solutions to this task are of most importance. The proposed view adaptation is based on a novel view selection approach that consists in decomposing views into fragments and then merging them into a Multi View Materialization Graph, sharing materialized fragments where possible. The goal is to minimize both communication cost (i.e., accessing the sources) and the cost of adapting the view materialization. In related work, view adaptation is based solely on the old materialization of the same view. Our approach performs view adaptation regarding all the materialized views therefore it optimizes the communication cost.