Node Connectivity
There are 3997 nodes that can be used as predessesor
for a node with an input port of type 
Table.
Term Document Entropy
This node computes the informational entropy of each term in each document. If a term occurs once in every document, its entropy for each document […]
Chi-Square Keyword Extractor
Extracts relevant keywords from documents.
Keygraph Keyword Extractor
Extracts relevant keywords from documents.
StanfordNLP Open Information Extractor
Extracts relation triplets from documents.
StanfordNLP Relation Extractor
Extracts relation triplets from documents.
Topic Extractor (Parallel LDA)
Simple parallel threaded implementation of LDA for topic detection.
Category to Class
Adds a class (string) column to each row, containing the category string of the document in that particular row.
Markup Tag Filter Streamable
Filters all kind of Markup Language Tags such as HTML or XML tags.
String Matcher
The node finds for each string in the data list the most similar words of the dictionary list.
Tika Language Detector Streamable
This node detects the language of a given String/Document value.