Skip to main content


Table 1 Note_NLP table data elements

From: Developing a portable natural language processing based phenotyping system

Column name Description
note_nlp_id A unique identifier for each term extracted from a note. A randomly generated auto-incremented number.
note_id A foreign key. The note_id from the Note table from the note the term was extracted from.
section_concept_id The representation of the section that extracted concept belongs to.
snippet A small window of the text that extracted concepts belong to.
offset Provided by the MetaMap in the output file.
lexical_variant The actual phrase text that MetaMap generates.
note_nlp_concept_id The concepts or CUIs.
nlp_system NLP tool.
nlp_date_time Date and Time of creation/running