Inventor
CHENG WEIWEI
DE13 patents
⚠️ This page may combine multiple inventors who share the name “CHENG WEIWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMAZON TECH INC
10 patentsUS10929392B1Feb 23, 2021
Artificial intelligence system for automated generation of realistic question and answer pairs
AMAZON TECH INC53 citations93
US11599927B1Mar 7, 2023
Artificial intelligence system using deep neural networks for pairwise character-level text analysis and recommendations
AMAZON TECH INC21 citations92
US10558657B1Feb 11, 2020
Document content analysis based on topic modeling
AMAZON TECH INC21 citations90
US10387568B1Aug 20, 2019
Extracting keywords from a document
AMAZON TECH INC21 citations88
US11367117B1Jun 21, 2022
Artificial intelligence system for generating network-accessible recommendations with explanatory metadata
AMAZON TECH INC13 citations84
US10248712B1Apr 2, 2019
Generating a set of representative items using a maximum-set-coverage selection strategy
AMAZON TECH INC10 citations83
US10114887B1Oct 30, 2018
Generating a set of representative items using a dynamic selection strategy
AMAZON TECH INC11 citations83
US10255283B1Apr 9, 2019
Document content analysis based on topic modeling
AMAZON TECH INC10 citations80
US10114885B1Oct 30, 2018
Generating a set of representative items using a clustering-selection strategy
AMAZON TECH INC6 citations72
US10796094B1Oct 6, 2020
Extracting keywords from a document
AMAZON TECH INC0 citations46