Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Exploratory data analysis. (A) Histogram of number of entities in different note types. (B) Number of entities per note type and first-level annotated domain. The pictorial legend contains the total number of notes and annotations per note type.
