Hi Anuja, I don't have a tutorial, but there are some hints on the "details" page. You have to download datasets from https://github.com/nltk/nltk_data/tree/gh-pages/packages and put it on your server in the nltk_data/bin folder manually. Afterward I was able to use language_detect and sentiment_analysis. Here is the list from available actions (from the #details page): Supported actions are: sentence_tokenize tokenize_and_tag word_tokenize definitions synonyms antonyms lemma language_detect sentiment_analysis Here is an example I used to test it: |makeresults | eval _raw="Good for job listings and getting back in touch with old friends!" |nltk action="sentiment_analysis" ... View more