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Predicting conversion rate (e.g., the probability that a user will purchase an item) is a fundamental problem in machine learning based …

From an engineering perspective, a design should not only perform well in an ideal condition, but should also resist noises. Such a design methodology, namely robust design, has been widely implemented in the industry for product quality control. To achieve data-efficient robust design, we propose Robust Inverse Design under Noise (RID-Noise), which can utilize existing data to train a conditional invertible neural network. With the visual results from experiments, we clearly justify how RID-Noise works by learning the distribution and robustness from data. Further experiments on several real-world benchmark tasks with noises confirm that our method is more effective than other state-of-the-art inverse design methods.

Conversion rate (CVR) prediction is one of the most critical tasks for digital display advertising. However, conversions usually do not happen immediately after a user click. We propose Elapsed-Time Sampling Delayed Feedback Model (ES-DFM), which models the relationship between the observed conversion distribution and the true conversion distribution.

Pooling layers are crucial components for efficient deep representation learning. As to graph data, however, it’s not trivial to decide …

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