Security

Costa Rica declares emergency in ongoing cyber attack

After a month of crippling ransomware attacks, Costa Rica has declared a state of emergency. In theory, the measure usually reserved to deal with natural disasters or the COVID-19 pandemic would free up the government to ...

Business

Back with the banned: Do Twitter's exiles return under Musk?

QAnon loyalists, COVID deniers, neo-Nazis and a former American president: The list of people banned from Twitter is long, but their exile could soon come to an end if Elon Musk's $44 billion offer for the platform is approved.

Machine learning & AI

Computers could revise past conclusions with AI

To better automate reasoning, machines should ideally be able to systematically revise the view they have obtained about the world. Timotheus Kampik's dissertation work presents mathematical reasoning approaches that strike ...

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