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| Isolation Forest auto-supervisat× | Autoencoder× | |
|---|---|---|
| Camp≠ | Aprenentatge automàtic | Aprenentatge profund |
| Família | Machine learning | Machine learning |
| Any d'origen≠ | 2008–2020s | 2006 |
| Autor original≠ | Liu, F. T., Ting, K. M., & Zhou, Z.-H. (iForest); SSL extensions by multiple authors | Hinton, G.E. & Salakhutdinov, R.R. |
| Tipus≠ | Ensemble anomaly detector with self-supervised pre-training | Neural network (encoder-decoder) |
| Font seminal≠ | Liu, F. T., Ting, K. M., & Zhou, Z.-H. (2008). Isolation Forest. In Proceedings of the 8th IEEE International Conference on Data Mining (ICDM), pp. 413–422. DOI ↗ | Hinton, G.E. & Salakhutdinov, R.R. (2006). Reducing the Dimensionality of Data with Neural Networks. Science, 313(5786), 504–507. DOI ↗ |
| Àlies | SSL Isolation Forest, self-supervised iForest, semi-supervised isolation forest, contrastive isolation forest | Otokodlayıcı (Autoencoder), otokodlayıcı, auto-encoder, encoder-decoder network |
| Relacionats | 4 | 4 |
| Resum≠ | Self-supervised Isolation Forest augments the classic Isolation Forest anomaly detector with a self-supervised pre-training stage. A pretext task — such as predicting rotation, masked features, or contrastive pairs — is solved without labels to learn a richer feature representation, which is then used when building the isolation trees, yielding sharper anomaly scores on complex, high-dimensional tabular data. | An autoencoder is an encoder-decoder neural network, popularised by Hinton and Salakhutdinov in 2006, that compresses data into a low-dimensional latent code and then reconstructs it, enabling dimensionality reduction and anomaly detection. By learning to rebuild its own input through a narrow bottleneck, it discovers a compact representation of the data. |
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