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SIGMOD
2000
ACM
161views Database» more  SIGMOD 2000»
14 years 1 months ago
Answering Complex SQL Queries Using Automatic Summary Tables
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
Markos Zaharioudakis, Roberta Cochrane, George Lap...
DAWAK
2000
Springer
14 years 1 months ago
Applying Vertical Fragmentation Techniques in Logical Design of Multidimensional Databases
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...
Matteo Golfarelli, Dario Maio, Stefano Rizzi
KDD
1999
ACM
104views Data Mining» more  KDD 1999»
14 years 29 days ago
Learning Rules from Distributed Data
In this paper a concern about the accuracy (as a function of parallelism) of a certain class of distributed learning algorithms is raised, and one proposed improvement is illustrat...
Lawrence O. Hall, Nitesh V. Chawla, Kevin W. Bowye...
VLDB
1998
ACM
126views Database» more  VLDB 1998»
14 years 27 days ago
Materialized Views in Oracle
Oracle Materialized Views (MVs) are designed for data warehousing and replication. For data warehousing, MVs based on inner/outer equijoins with optional aggregation, can be refre...
Randall G. Bello, Karl Dias, Alan Downing, James J...
CHI
1996
ACM
14 years 26 days ago
Silk from a Sow's Ear: Extracting Usable Structures from the Web
In its current implementation, the World-Wide Web lacks much of the explicit structure and strong typing found in many closed hypertext systems. While this property has directly f...
Peter Pirolli, James E. Pitkow, Ramana Rao