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/20141231005523/http://www.athensvoice.gr/site/culture/theater/%CF%83%CF%85%CE%BD%CE%B5%CE%BD%CF%84%CE%B5%CF%85%CE%BE%CE%B7