How to auto-tag content, algorithms and suggestions needed

Question

I am working with some really large databases of newspaper articles, I have them in a MySQL database, and I can query them all.

I am now searching for ways to help m

Answer 1

Assuming you have pre-defined set of tags, you can use the Elasticsearch Percolator API like this answer suggests:

Elasticsearch - use a "tags" index to discover all tags in a given string