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117
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SAC
2009
ACM
15 years 10 months ago
Building an efficient preference XML query processor
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...
SungRan Cho, Wolf-Tilo Balke
142
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DBA
2006
156views Database» more  DBA 2006»
15 years 5 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...
143
Voted
LION
2009
Springer
160views Optimization» more  LION 2009»
15 years 10 months ago
Corridor Selection and Fine Tuning for the Corridor Method
In this paper we present a novel hybrid algorithm, in which ideas from the genetic algorithm and the GRASP metaheuristic are cooperatively used and intertwined to dynamically adjus...
Marco Caserta, Stefan Voß
CIKM
2008
Springer
15 years 5 months ago
Suppressing outliers in pairwise preference ranking
Many of the recently proposed algorithms for learning feature-based ranking functions are based on the pairwise preference framework, in which instead of taking documents in isola...
Vitor R. Carvalho, Jonathan L. Elsas, William W. C...
ECAI
2006
Springer
15 years 7 months ago
Coalition Structure Generation in Task-Based Settings
The coalition formation process, in which a number of independent, autonomous agents come together to act as a collective, is an important form of interaction in multi-agent system...
Viet Dung Dang, Nicholas R. Jennings