Abstract
The aim of constructive induction (CI) is to transform the original data representation of hard concepts with complex interaction into one that outlines the relation among attributes. CI methods based on greedy search suffer from the local optima problem because of high variation in the search space of hard learning problems. To reduce the local optima problem, we propose a CI method based on genetic (evolutionary) algorithms. The method comprises two integrated genetic algorithms to construct functions over subsets of attributes in order to highlight regularities for the learner. Using non-algebraic representation for constructed functions assigns an equal degree of complexity to functions. This reduces the difficulty of constructing complex features. Experiments show that our method is comparable with and in some cases superior to existing CI methods.
| Original language | English |
|---|---|
| Title of host publication | Advances in Intelligent Data Analysis V |
| Subtitle of host publication | 5th International Symposium on Intelligent Data Analysis, IDA 2003 Berlin, Germany, August 28-30, 2003 Proceedings |
| Editors | Michael R. Berthold, Hans-Joachim Lenz, Elizabeth Bradley, Rudolf Kruse, Christian Borgelt |
| Publisher | Springer |
| Pages | 599-610 |
| Number of pages | 12 |
| ISBN (Electronic) | 9783540452317 |
| ISBN (Print) | 9783540408130 |
| DOIs | |
| Publication status | Published - 2003 |
| Event | 5th International Symposium on Intelligent Data Analysis - Berlin, Germany Duration: 28 Aug 2003 → 30 Aug 2003 |
Publication series
| Name | Lecture Notes in Computer Science |
|---|---|
| Volume | 2810 |
| ISSN (Print) | 0302-9743 |
| ISSN (Electronic) | 1611-3349 |
Conference
| Conference | 5th International Symposium on Intelligent Data Analysis |
|---|---|
| Abbreviated title | IDA 2003 |
| Country/Territory | Germany |
| City | Berlin |
| Period | 28/08/03 → 30/08/03 |
Funding
This work has been partially supported by the Spanish Interdepartmental Commission for Science and Technology (CICYT), under Grants numbers TIC98-0247-C02-02 and TIC2002-1948.
Keywords
- constructive induction
- local optima problem
- non-algebraic representation
- genetic algorithms
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