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SEBD
2001
87views Database» more  SEBD 2001»
13 years 6 months ago
Using Domain-Derived Constraints to Bound the Cardinality of Aggregate Views
Paolo Ciaccia, Matteo Golfarelli, Stefano Rizzi
DMDW
2001
91views Management» more  DMDW 2001»
13 years 6 months ago
On Estimating the Cardinality of Aggregate Views
Accurately estimating the cardinality of aggregate views is crucial for logical and physical design of data warehouses. While the warehouse is under development and data are not a...
Paolo Ciaccia, Matteo Golfarelli, Stefano Rizzi
APWEB
2004
Springer
13 years 10 months 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
ICPR
2004
IEEE
14 years 6 months ago
Selecting Canonical Views for View-Based 3-D Object Recognition
Given a collection of sets of 2-D views of 3-D objects and a similarity measure between them, we present a method for summarizing the sets using a small subset called a bounded ca...
Ali Shokoufandeh, Jeff Abrahamson, M. Fatih Demirc...
VLDB
2007
ACM
166views Database» more  VLDB 2007»
14 years 5 months ago
Supporting Time-Constrained SQL Queries in Oracle
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...
Ying Hu, Seema Sundara, Jagannathan Srinivasan