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» Supporting Exploratory Queries in Databases
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115
Voted
SAT
2004
Springer
101views Hardware» more  SAT 2004»
15 years 9 months ago
An Algebraic Approach to the Complexity of Generalized Conjunctive Queries
Kolaitis and Vardi pointed out that constraint satisfaction and conjunctive query containment are essentially the same problem. We study the Boolean conjunctive queries under a mor...
Michael Bauland, Philippe Chapdelaine, Nadia Creig...
141
Voted
DOLAP
2003
ACM
15 years 8 months ago
Exploiting hierarchical clustering in evaluating multidimensional aggregation queries
Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the ev...
Dimitri Theodoratos
129
Voted
DOLAP
2000
ACM
15 years 8 months ago
Towards OLAP Security Design - Survey and Research Issues
With the use of data warehousing and online analytical processing (OLAP) for decision support applications new security issues arise. The goal of this paper is to introduce an OLA...
Torsten Priebe, Günther Pernul
141
Voted
IFIP
1998
Springer
15 years 7 months ago
Mobile agent technology in support of sales order processing in the virtual enterprise
The flexible integration of a range of disparate IT applications is a key requirement for today's global enterprises. The virtual enterprise, formed by a collection of collab...
Todd Papaioannou, John Edwards
196
Voted
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
16 years 3 months ago
Column-stores vs. row-stores: how different are they really?
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
Daniel J. Abadi, Samuel Madden, Nabil Hachem