05_Data, sentences, and meta info extraction

- Document Data Extractor node extracts information from a document object into data columns. - Meta Info Inserter node inserts (key, value) pairs as meta information into documents while the Meta Info Extractor node extracts such (key, value) pairs from documents. - Sentence Extractor node extracts all of the sentences in the document and outputs them as strings.

This is a companion discussion topic for the original entry at https://kni.me/w/6PJzxyzMIQEUMSPu