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.
Numbers of phrase occurrences (vertical) for each dependency pattern (horizontal): Continuous and not permuted phrase occurrences observed during dictionary look-up (“Dictionary look-up”) and discontinuous and/or permuted phrase occurrences extracted during dependency pattern matching (“Pattern matching”).
