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.
Editorial: The former cabinet minister Damian Green thinks pensions provide a model to reform social care – but his colleagues have missed their chance
Editorial: Activists are changing the discourse on climate change. Politicians must respond with policies that meet the Paris agreement’s goal of limiting global warming to 1.5C
Editorial: US rapper Lizzo took to social media when angered by an unflattering review. But the wisdom of crowds hasn’t altered the need for independent, expert advice
Editorial: The Chinese telecoms firm has won favour for cheap and sophisticated gear. But its participation in Britain’s 5G network demands the closest scrutiny
Editorial: The Swedish teenager’s clarity and urgency have cut through layers of obfuscation and helplessness – and forced climate change up the agenda
The Guardian view on ice-cream vans: shame about the pollution