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APWEB
2004
Springer
14 years 24 days ago
Using Relational Database Constraints to Design Materialized Views in Data Warehouses
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...
Taehee Lee, Jae-young Chang, Sang-goo Lee
ESA
2005
Springer
113views Algorithms» more  ESA 2005»
14 years 28 days ago
Online View Maintenance Under a Response-Time Constraint
Abstract. A materialized view is a certain synopsis structure precomputed from one or more data sets (called base tables) in order to facilitate various queries on the data. When t...
Kamesh Munagala, Jun Yang 0001, Hai Yu
CIKM
2004
Springer
13 years 11 months ago
Restructuring batch view maintenance efficiently
Materialized views defined over distributed data sources are a well recognized technology for modern applications. Stateof-the-art incremental view maintenance requires O(n2 ) or ...
Bin Liu, Elke A. Rundensteiner, David Finkel
ICDE
2005
IEEE
101views Database» more  ICDE 2005»
14 years 8 months ago
GPIVOT: Efficient Incremental Maintenance of Complex ROLAP Views
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
Songting Chen, Elke A. Rundensteiner
VLDB
1991
ACM
126views Database» more  VLDB 1991»
13 years 11 months ago
Deriving Production Rules for Incremental View Maintenance
It is widely recognized that production rules in database systems can be used to automatically maintain derived data such as views. However, writing a correct set of rules for e ci...
Stefano Ceri, Jennifer Widom