Most problems can be solved by many different algorithms, each with its own demands on time and space. Complexity theorists sort problems into categories, called complexity classes, based on the ...

So many of them have ceded their online autonomy so fully to their phones that they even balk at the idea of searching ... algorithms, which feed them customized content. As our children’s free ...

A hot potato: Google releases new updates for its search algorithms all the time. One of those latest "tweaks" has, however, made publishers and site owners worry more about AI, with low quality ...