Spring Boot app which allows user to upload a file and see Watson NLU results for that document in a bubble cloud.
Configure your Watson NLU username and password in NLUCredentials.java.
App uses Apache Tika to extract text from documents. https://tika.apache.org/1.16/formats.html
Excellent resource on bubble cloud by Jim Vallandingham here: http://vallandingham.me/building_a_bubble_cloud.html