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DAWAK
2007
Springer
16 years 27 days ago
What-If Analysis for Data Warehouse Evolution
In this paper, we deal with the problem of performing what-if analysis for changes that occur in the schema/structure of the data warehouse We abstract software modules, queries, r...
George Papastefanatos, Panos Vassiliadis, Alkis Si...
165
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SGAI
2007
Springer
16 years 25 days ago
Towards a Computationally Efficient Approach to Modular Classification Rule Induction
Induction of classification rules is one of the most important technologies in data mining. Most of the work in this field has concentrated on the Top Down Induction of Decision T...
Frederic T. Stahl, Max Bramer
CLEF
2005
Springer
16 years 7 days ago
Question Answering for Dutch Using Dependency Relations
We describe Joost, our QA system for Dutch, which makes extensive use of dependency relations. We analyzed the full Dutch CLEF QA corpus syntactically and mined it off-line for i...
Gosse Bouma, Jori Mur, Gertjan van Noord, Lonneke ...
DAWAK
2005
Springer
16 years 7 days ago
Gene Expression Biclustering Using Random Walk Strategies
A biclustering algorithm, based on a greedy technique and enriched with a local search strategy to escape poor local minima, is proposed. The algorithm starts with an initial rando...
Fabrizio Angiulli, Clara Pizzuti
DAWAK
2005
Springer
16 years 7 days ago
Extending UML 2 Activity Diagrams with Business Intelligence Objects
Abstract. Data Warehouse (DWH) information is accessed by business processes. Today, no conceptual models exist that make the relationship between the DWH and the business processe...
Veronika Stefanov, Beate List, Birgit Korherr