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

Python machine-learning

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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What if the accuracy of some categories in the results obtained by the classification model is obviously on the low side?
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Artificial-intelligence python machine-learning deep-learning cnn

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Python machine-learning

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