Does the U.S. have a 'K-shaped economy'? What it means for you.

Upper-income Americans are doing better, while low- and moderate-income households are falling behind. Why does that matter?
IEEE

Attention-Driven Clustering of Programming Problem Difficulty Using Statistical and Machine Learning Techniques

Abstract: Programming is an important skill for advancement in computer science and information and communication technology (ICT). Online judge (OJ) systems are increasingly popular platforms in ...