I want to create tags for my content automatically. There would be a constant tag list and the bot should create tags regarding to it. How can I do that? Do you know a class for that? Any suggestions would be appreciated!
Thank you!
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I want to create tags for my content automatically. There would be a constant tag list and the bot should create tags regarding to it. How can I do that? Do you know a class for that? Any suggestions would be appreciated!
Thank you!
How good do you need the tags to be?
You could simply count n-gram word frequencies.
With some tweaking this can create perfectly valid tags to use with blog posts, for example.
If you’re looking for something more advanced, and you have a corpus of documents, you could use TF*IDF (Term frequency, Inverse Document Frequency). This will show meaningful keywords mentioned in 1 document, based on their improbability of appearing in other documents. It will give you good results providing your corpus is large enough.
A shortcut approach might be to identify a relevant section of the content (title? category? source?) and use something like this instead.
Also Yahoo has a term extraction API which you might find interesting.