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.
Letters:Anthony Cheke bought an Oscar Wilde book that had sat on a bookshop shelf for 55 years,
Paul McCue masterminded the Tory Prat Pack and
David Gibson wonders what The Larger Moths of Warwickshire is all about
Film blog Nicolas Roeg: a daring film-maker of passionate and visceral brilliance