Auto-Encoder-Decoder is a type of deep learning neural network architecture with an hourglass shape, high dimensional inputs are compressed to latent space through the encoder. The decoder mirrors the encoder architecture and reconstructs the input data from the latent space. Auto-Encoder-Decoder models are commonly used for anomaly detection, after training, the reconstructed error of normal data is minimized thus anomaly can be detected if its reconstructed error gets higher than the “normal threshold”. This presentation will demonstrate an Auto-Encoder-Decoder anomaly detection solution built with the Lakehouse Paradigm, from data management to after-deployment monitoring, to explain the entire model life cycle. It will also highlight the flexibility and scalability that MLflow custom model and Pandas UDF can bring when a large number of individual models need to be trained, deployed, and monitored in parallel.

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