Amazon Developer Blogs

Amazon Developer Blogs

Showing posts by Ming Sun

May 16, 2019

Ming Sun

Text normalization is the process of converting particular words of a sentence into a standard format so that software can handle them. Breaking inputs into component parts and factoring in syntactic information reduces the error rate of a neural text normalization system by 98%.

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April 18, 2019

Ming Sun

Alexa scientists use semi-supervised learning and "pyramidal" neural networks to address the problems of sound identification and media detection.

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March 11, 2019

Ming Sun

Imbalances in the data used to train machine learning systems can cause biases; a new method for correcting imbalances increases the accuracy of a sound detection system by 22% over systems that used the previous method.

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