Deep Learning

**Definition:** Supervised or unsupervised machine learning methods that use multiple layers of data representations generated by nonlinear transformations, instead of individual task-specific ALGORITHMS, to build and train neural network models.

**Tree numbers:** - G17.035.250.500.250 - G17.485.500 - L01.224.050.375.530.250 - L01.224.050.375.605.500

**Synonyms:** - Hierarchical Learning