Abstract: Recommender systems (RS) are substantial for online shopping or digital content services. However, due to some data characteristics or insufficient historical data, may encounter ...

Brainteasers are known as entertainment sources but apart from being a leisure activity, they also serve many benefits. For example, math puzzles help in improving cognitive skills which further ...

Python still holds the top ranking in the monthly Tiobe index of programming language popularity, leading by more than 10 percentage points over second-place C. But Python’s popularity actually has ...

While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of unseasonable warmth, which has left many mountain ranges in a snow drought. A major ...