Abstract: Recommender systems (RSs) are fundamental tools that address data redundancy and serve as intelligent supplements for tasks such as data retrieval and refinement by analyzing user behavior.

Otto Christ AG has been one of the leading manufacturers of vehicle-washing systems in Europe since 1963. Every day, we ask ourselves how we can perfect the vehicle washer. The result is a demand for ...

3D Systems (DDD) continued to slide for the eighth straight session on Tuesday as its shares fell 2.73% to $2.14 during afternoon trading. The stock began its downward trajectory on January 23 when it ...

Abstract: The absence of 600 km/h operational high-speed Maglev lines leads to a unavailability of empirical track irregularity data at this speed, challenging accurate assessment of the system's ...

Victorinox’s Swiss Army Knives are among the most useful and versatile multi-tools in the history of everyday carry, and that’s on top of being about as iconic as pocket knives get. But what if the ...

This article was updated in November 2025. Can enthusiasts come in all shapes and sizes. We all have varying tastes and needs, so buying a gift for your favorite car lover isn't as easy as it may seem ...