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/20150328044846/http://www.telegraph.co.uk/culture/tvandradio/tv-and-radio-reviews/11497937/Inside-Number-9-series-2-episode-1-review.html
