Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Investopedia / Sydney Saporito A commercial package policy is an insurance policy that ...

Spring Boot is one of the most popular and accessible web development frameworks in the world. Find out what it’s about, with ...

R packages are the best way to distribute R code and documentation, and, despite the impression that the official manual (Writing R Extensions) might give, they are really are rather simple to create.