For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.
第一，AI行业正式进入“电力门槛时代”。
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As we explained earlier this week, that agreement would give the US military access to use the company's services for mass domestic surveillance and …