Sciweavers

APCCM
2006
13 years 6 months ago
A conceptual solution for representing time in data warehouse dimensions
Data Warehouses (DWs) use an omnipresent time dimension for keeping track of changes in measure values. However, this dimension cannot be used to model changes in other dimensions...
Elzbieta Malinowski, Esteban Zimányi
ER
2006
Springer
112views Database» more  ER 2006»
13 years 8 months ago
A DAG Comparison Algorithm and Its Application to Temporal Data Warehousing
Abstract. We present a new technique for discovering and representing structural changes between two versions of a directed acyclic graph (DAG). Motivated by the necessity of chang...
Johann Eder, Karl Wiggisser