Sciweavers

498 search results - page 2 / 100
» Automatic Detection of Structural Changes in Data Warehouses
Sort
View
RIVF
2007
13 years 7 months ago
Forgetting data intelligently in data warehouses
— The amount of data stored in data warehouses grows very quickly so that they can get saturated. To overcome this problem, we propose a language for specifying forgetting functi...
Aliou Boly, Georges Hébrail
SAC
2004
ACM
13 years 11 months ago
Creation and management of versions in multiversion data warehouse
A data warehouse (DW) provides an information for analytical processing, decision making, and data mining tools. On the one hand, the structure and content of a data warehouse ref...
Bartosz Bebel, Johann Eder, Christian Koncilia, Ta...
ER
2006
Springer
112views Database» more  ER 2006»
13 years 10 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
IKE
2010
13 years 4 months ago
Active Datawarehouse Loading by Tool Based ETL Procedure
: Over the years, DataWarehousing has gone through a number of evolutions from a relatively simple reporting database to sophisticated analytical applications such as analyzing cus...
Mallikharjuna Reddy V, Sanjay K. Jena
ER
1999
Springer
155views Database» more  ER 1999»
13 years 10 months ago
Detecting Redundancy in Data Warehouse Evolution
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
Dimitri Theodoratos