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DOA
2000
93views more  DOA 2000»
10 years 1 months ago
Meta Object Approach to Database Schema Integration
Database schema integration is significant not only in building multidatabase systems but also in data warehousing. Metadata, which define schemas, are normally involved in the su...
J. Tan, Arkady B. Zaslavsky, Andy Bond
VLDB
1995
ACM
155views Database» more  VLDB 1995»
10 years 3 months ago
Aggregate-Query Processing in Data Warehousing Environments
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
Ashish Gupta, Venky Harinarayan, Dallan Quass
DOLAP
1999
ACM
10 years 4 months ago
Design and Selection of Materialized Views in a Data Warehousing Environment: A Case Study
In this paper, we describe the design of a data warehousing system for an engineering company ‘R’. This system aims to assist users in retrieving data for business analysis in...
Goretti K. Y. Chan, Qing Li, Ling Feng
DBA
2006
156views Database» more  DBA 2006»
10 years 1 months ago
Simulated Annealing for Materialized View Selection in Data Warehousing Environment
In order to facilitate query processing, the information contained in data warehouses is typically stored as a set of materialized views. Deciding which views to materialize prese...
Roozbeh Derakhshan, Frank K. H. A. Dehne, Othmar K...
VLDB
1997
ACM
104views Database» more  VLDB 1997»
10 years 3 months ago
Multiple-View Self-Maintenance in Data Warehousing Environments
A data warehouse materializes views derived from data that may not reside at the warehouse. Maintaining these views e ciently in response to base updates is di cult, since it may ...
Nam Huyn
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