PPT Slide
- addressed early in pattern recognition and data analysis (e.g. Diday & Simon 1976)
- Given a set of unlabelled object descriptions
Finding not only hierarchical clusters of unlabelled objects but also their ‘good’ conceptual descriptions
- Find a hierarchical clustering that determines useful
object subsets (clustering)
- Find intensional definitions for these subsets of objects
(characterization)
- much attention in Machine Learning (conceptual
clustering, concept formation, unsupervised learning)