Abstract: Recommender systems are essential in digital services for helping users find relevant items. One of the main challenges faced by these systems is the problem of sparsity, where limited ...

Australian Hugh Williams ran Google Maps and invented the tech behind “doomscrolling”. His take on the AI future is ...

Sewing machines looked simple, but their inner workings were anything but. Engineers had to invent an entirely new way of sewing to make machines possible. Tiny mechanical movements worked in perfect ...

Getting good at LeetCode Java can feel like a puzzle sometimes, right? You see all these problems, and you’re not sure where to even start. This guide is here to break down the common approaches and ...

Everything about 25-year-old Cynthia Gonzalez's murder in Texas in 1991 pointed to a male killer. Gonzalez was an exotic dancer who worked private events, sometimes for solo customers. The night ...

Coffee is a daily essential for many of us. In fact, two-thirds of Americans drink coffee every day, averaging about three cups, according to a spring 2025 report from the National Coffee Association.