7 search results - page 1 / 2 » Evolving the Implementation of ISA Relationships in EER Sche... |
ER
2006
Springer
13 years 8 months ago
2006
Springer
Abstract. One of the most severe problems related to database evolution is how to reflect in the data level the changes that have occurred in the conceptual schema of a database. T...
EDBT
2008
ACM
14 years 5 months ago
2008
ACM
Most previous schema mapping works focus on creating mappings in specific data models for data transformation, failing to capture a richer set of possible relationships between sc...
ER
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. As several mature implementations of data warehousing systems are fully operational, a crucial role in preserving their up-to-dateness is played by the ability to manage ...
DKE
2006
13 years 4 months ago
2006
As several mature implementations of data warehousing systems are fully operational, a crucial role in preserving their up-to-dateness is played by the ability to manage the chang...
FROCOS
2011
Springer
12 years 4 months ago
2011
Springer
Temporal data models have been used to describe how data can evolve in the context of temporal databases. Both the Extended Entity-Relationship (EER) model and the Unified Modelli...