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ENTCS
2010
72views more  ENTCS 2010»
11 years 7 months ago
View-Augmented Abstractions
mented Abstractions Matt Eldera,1 , Denis Gopanb,2 , and Thomas Repsa,b,3 a Computer Sciences Department, Univ. of Wisconsin; Madison, WI; USA b GrammaTech, Inc.; Ithaca, NY; USA ...
Matt Elder, Denis Gopan, Thomas W. Reps
KAIS
2000
139views more  KAIS 2000»
11 years 9 months ago
Incremental View Maintenance for Mobile Databases
In a mobile environment, querying a database at a stationary server from a mobile client is expensive due to the limited bandwidth of a wireless channel and the instability of the ...
Ken C. K. Lee, Hong Va Leong, Antonio Si
DBA
2006
156views Database» more  DBA 2006»
11 years 11 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...
CIKM
2008
Springer
11 years 11 months ago
Content-based filtering for efficient online materialized view maintenance
Real-time materialized view maintenance has become increasingly popular, especially in real-time data warehousing and data streaming environments. Upon updates to base relations, ...
Gang Luo, Philip S. Yu
DEXA
1998
Springer
179views Database» more  DEXA 1998»
12 years 1 months ago
Concurrent Warehouse Maintenance Without Compromising Session Consistency
Abstract. To achieve acceptable query response times in data warehouse environments, the data have to be pre-aggregated according to the need of the applications and stored redunda...
Michael Teschke, Achim Ulbrich
VLDB
1998
ACM
111views Database» more  VLDB 1998»
12 years 2 months ago
Expiring Data in a Warehouse
Data warehouses collect data into materialized views for analysis. After some time, some of the data may no longer be needed or may not be of interest. In this paper, we handle th...
Hector Garcia-Molina, Wilburt Labio, Jun Yang 0001
CAISE
1999
Springer
12 years 2 months ago
Designing the Global Data Warehouse with SPJ Views
Abstract. A global Data warehouse (DW) integrates data from multiple distributed heterogeneous databases and other information sources. DW can be abstractly seen as a set of materi...
Dimitri Theodoratos, Spyros Ligoudistianos, Timos ...
DEXA
2000
Springer
75views Database» more  DEXA 2000»
12 years 2 months ago
View Selection in OLAP Environment
To select some "valuable" views for materialization is an essential challenge in OLAP system design. Several techniques proposed previously are not very scalable for syst...
Shi Guang Qiu, Tok Wang Ling
VLDB
2004
ACM
103views Database» more  VLDB 2004»
12 years 3 months ago
Maintenance of Spatial Semijoin Queries on Moving Points
In this paper, we address the maintenance of spatial semijoin queries over continuously moving points, where points are modeled as linear functions of time. This is analogous to t...
Glenn S. Iwerks, Hanan Samet, Kenneth P. Smith
ESA
2005
Springer
113views Algorithms» more  ESA 2005»
12 years 3 months 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
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