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» Personalization of Queries in Database Systems
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VLDB
2000
ACM
151views Database» more  VLDB 2000»
15 years 9 months ago
The TreeScape System: Reuse of Pre-Computed Aggregates over Irregular OLAP Hierarchies
We present the TreeScape system that, unlike any other system known to the authors, enables the reuse of pre-computed aggregate query results for irregular dimension hierarchies, ...
Torben Bach Pedersen, Christian S. Jensen, Curtis ...
ICDE
2009
IEEE
120views Database» more  ICDE 2009»
16 years 29 days ago
Recommending Join Queries via Query Log Analysis
— Complex ad hoc join queries over enterprise databases are commonly used by business data analysts to understand and analyze a variety of enterprise-wide processes. However, eff...
Xiaoyan Yang, Cecilia M. Procopiuc, Divesh Srivast...
VLDB
2012
ACM
360views Database» more  VLDB 2012»
14 years 1 months ago
An adaptive updating protocol for reducing moving object database workload
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
Su Chen, Beng Chin Ooi, Zhenjie Zhang
VLDB
1987
ACM
100views Database» more  VLDB 1987»
15 years 9 months ago
Optimization of Systems of Algebraic Equations for Evaluating Datalog Queries
A Datalog program can be translated into a system of fixpoint equations of relational algebra; this paper studies how such a system can be solved and optimized for a particular qu...
Stefano Ceri, Letizia Tanca
ECWEB
2004
Springer
225views ECommerce» more  ECWEB 2004»
15 years 11 months ago
Accelerating Database Processing at e-Commerce Sites
Abstract. Most e-commerce Web sites dynamically generate their contents through a three-tier server architecture composed of a Web server, an application server, and a database ser...
Seunglak Choi, Jinwon Lee, Su Myeon Kim, Junehwa S...