| Subject | English | Dutch |
| environ. | unsupervised image classification Unsupervised classification is a kind of classification which takes place with minimum input from the operator; no training sample is available and subdivision of the feature space is achieved by identifying natural groupings of the measurement vectors | beeldclassificatie zonder toezicht |
| environ. | unsupervised image classification | beeldclassificatie zonder toezicht |
| IT | unsupervised learning | leren door waarneming |
| IT | unsupervised learning | leren zonder leraar |
| transp., avia. | unsupervised line flying | het zonder toezicht uitvoeren van lijnvluchten |