Some links that might prove valuable for later.

• http://opennlp.apache.org/
• http://ctakes.apache.org/index.html
• https://deeplearning4j.org/
• https://cran.r-project.org/web/packages/tm/index.html
• http://web.stanford.edu/class/cs224n/
• https://nlp.stanford.edu/

And here a good introduction to R and Text Mining

• https://rstudio-pubs-static.s3.amazonaws.com/265713_cbef910aee7642dc8b62996e38d2825d.html
• https://togaware.com/onepager/

There’s a good deep learning library, in python

• https://pytorch.org