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.
The Wayback Machine - https://web.archive.org/web/20141216224458/http://www.athensvoice.gr/the-paper/editors/%CE%B4%CE%B7%CE%BC%CE%AE%CF%84%CF%81%CE%B7%CF%82-%CE%BC%CE%B1%CF%83%CF%84%CF%81%CE%BF%CE%B3%CE%B9%CE%B1%CE%BD%CE%BD%CE%AF%CF%84%CE%B7%CF%82