From the title and abstract of an article, through the method of machine learning, to obtain some of the topic words corresponding to this article in the thesaurus, is there any good way to recommend it? Ask for a more detailed introduction

The

subject owner hopes to train a model. By tagging this article with some key phrases extracted from an English article, is there any good machine learning method or paper that explains how to label the key phrase to the subject word

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Mar.28,2021

simply do tf-idf to all abstracts.
if it's a little more complicated, you can use word2vec

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MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b324d1-2bdfe.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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