I agree, Natural Language Processing is the right tool and field for this. What is the purpose of language, if you as an author must add an extra layer of metad

I agree, Natural Language Processing is the right tool and field for this. What is the purpose of language, if you as an author must add an extra layer of metadata to it to convey meaning. Or maybe academic authors should just bute the billet and start using smileys to convey sentiment. These would be easy to work with.