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.
Processing of search queries. Example of two search queries with identical words but different meanings. By using semantical and syntactical parsing of the search phrase, the structural information of the phrase is integrated in the search algorithm, which leads to a relevance ranking of the results.
