Sciweavers

116 search results - page 6 / 24
» Clustering-Based Materialized View Selection in Data Warehou...
Sort
View
KRDB
1997
167views Database» more  KRDB 1997»
13 years 9 months ago
Materialized Views and Data Warehouses
A data warehouse is a redundant collection of data replicated from several possibly distributed and loosely coupled source databases, organized to answer OLAP queries. Relational ...
Nick Roussopoulos
ICDE
2000
IEEE
144views Database» more  ICDE 2000»
14 years 3 days ago
Practical Lineage Tracing in Data Warehouses
We consider the view data lineage problem in a warehousing environment: For a given data item in a materialized warehouse view, we want to identify the set of source data items th...
Yingwei Cui, Jennifer Widom
DMDW
2000
173views Management» more  DMDW 2000»
13 years 9 months ago
A quality-based framework for physical data warehouse design
Data warehousing is a software infrastructure which supports OLAP applications by providing a collection of tools which allow data extraction and cleaning, data integration and ag...
Mokrane Bouzeghoub, Zoubida Kedad
ADBIS
2005
Springer
116views Database» more  ADBIS 2005»
14 years 1 months ago
A Formal Model for the Problem of View Selection for Aggregate Queries
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
Jingni Li, Zohreh Asgharzadeh Talebi, Rada Chirkov...