I would like to use named entity recognition (NER) to find adequate tags for texts in a database.

I know there is a Wikipedia article about this and lots of other pages describing NER, I would preferably hear something about this topic from you:

  • What experiences did you make with the various algorithms?
  • Which algorithm would you recommend?
  • Which algorithm is the easiest to implement (PHP/Python)?
  • How to the algorithms work? Is manual training necessary?

Example:

"Last year, I was in London where I saw Barack Obama." => Tags: London, Barack Obama

I hope you can help me. Thank you very much in advance!

php python extract analysis named-entity-recognition
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