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» Materialized Views and Data Warehouses
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SPE
2008
140views more  SPE 2008»
14 years 9 months ago
A relational-XML data warehouse for data aggregation with SQL and XQuery
: Integration of multiple data sources is becoming increasingly important for enterprises that cooperate closely with their partners for e-commerce. OLAP enables analysts and decis...
Joseph Fong, Herbert Shiu, Davy Cheung
DMDW
2000
161views Management» more  DMDW 2000»
14 years 10 months ago
View materialization for nested GPSJ queries
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
Matteo Golfarelli, Stefano Rizzi
97
Voted
IEEECIT
2005
IEEE
15 years 3 months ago
Effectively Maintaining Single View Consistency in Web Warehouses
Web warehouse provides high availability and efficiency by utilizing materialized webviews, which should be refreshed in time to keep freshness. During the refreshing, the consis...
Yan Zhang, Xiangdong Qin
78
Voted
ICDE
2000
IEEE
144views Database» more  ICDE 2000»
15 years 1 months 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
158
Voted
VLDB
2002
ACM
157views Database» more  VLDB 2002»
15 years 9 months ago
A formal perspective on the view selection problem
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
Rada Chirkova, Alon Y. Halevy, Dan Suciu