A source trapped inside an industrial-scale scamming operation contacted me, determined to expose his captors’ crimes—and ...

Detecting fake money is getting harder due to sophisticated counterfeiting tools and security features on bills. Here are ways to spot counterfeits.

Linear algebra is the foundation of science and engineering. Knowledge of linear algebra is a prerequisite for studying statistics, machine learning, computer graphics, signal processing, chemistry, ...

A hypothesis is a certain function that we believe (or hope) is similar to the true function, the target function that we want to model. In context of email spam classification, it would be the rule ...

Department of Textiles, Merchandising and Fashion Design, Seoul National University, Seoul 08826, Republic of Korea Research Institute of Human Ecology, Seoul National University, Seoul 08826, ...