Abstract
Artificial neural networks are good non-linear function approximators but their multi-layer, non-linear form gives little immediate indication of the features they have learnt. Several methods are put forward in this paper that reduce the complexity of the network or give simplified equations that are easier to interpret. Relative weight analysis and equation synthesis are summarised while correlated activity pruning is introduced and explained in detail. The former techniques use the weights of a trained network to assign importance to inputs or groups of inputs. The latter algorithm reduces complexity of a network by merging hidden units that have correlated activations. This procedure also allows the relationship between detected features to be evaluated. Data from pollutant impact studies are used but the techniques developed are applicable to many scientific data modelling environments.
| Original language | English |
|---|---|
| Title of host publication | Advances in Intelligent Data Analysis |
| Subtitle of host publication | Reasoning about Data - 2nd International Symposium, IDA-1997, Proceedings |
| Editors | Xiaohui Liu, Paul Cohen, Michael Berthold |
| Publisher | Springer Verlag |
| Pages | 337-346 |
| Number of pages | 10 |
| ISBN (Print) | 9783540633464 |
| DOIs | |
| Publication status | Published - 1997 |
| Externally published | Yes |
| Event | 2nd International Symposium on Intelligent Data Analysis, IDA 1997 - London, United Kingdom Duration: 4 Aug 1997 → 6 Aug 1997 |
Publication series
| Name | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
|---|---|
| Volume | 1280 |
| ISSN (Print) | 0302-9743 |
| ISSN (Electronic) | 1611-3349 |
Conference
| Conference | 2nd International Symposium on Intelligent Data Analysis, IDA 1997 |
|---|---|
| Country/Territory | United Kingdom |
| City | London |
| Period | 4/08/97 → 6/08/97 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 11 Sustainable Cities and Communities
ASJC Scopus subject areas
- Theoretical Computer Science
- General Computer Science
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