公开(公告)号：US11461829B1

公开(公告)日：2022-10-04

申请号：US16455601

申请日：2019-06-27

Applicant: Amazon Technologies, Inc.

Inventor： Lichao Wang ,  Kai Liu ,  Archi Dutta ,  Dmitry Zhiyanov

IPC: G06Q30/06 ,  G06N3/08 ,  G06F40/30 ,  G06N3/04 ,  G06F40/284

Abstract: Systems and methods are disclosed to implement a machine learned system to determine the comparative relationship between item package quantity (IPQ) information indicated in two item descriptions. In embodiments, the system employs a neural network that includes a token encoding layer, an attribute summarizing layer, and a comparison layer. The token encoding layer accepts an item description as a token sequence and encodes the tokens with token attributes that are relevant to IPQ extraction. The attribute summarizing layer uses a convolutional neural network to generate a set of fixed-size feature vectors for each encoded token sequence. All feature vectors for both item descriptions are then provided to the comparison layer to generate the IPQ comparison result. Advantageously, the disclosed neural network model can be trained to make accurate predictions about the IPQ relationship of the two item descriptions using a small set of token-level attributes as input signals.