Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
An official website of the United States government
The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.
This site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
