Fig 1. Method summary.
The summary of our 4-step method containing the steps of data collection and preprocessing, visitor origin identification, visit sentiment identification, and temporality inspection.
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.