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, ...

Agnes AI is not a chatbot—it is a full AI-native office system designed to eliminate the global "toggling tax" by replacing fragmented tools with one unified, intelligent workspace. The platform ...

A multi-group, client-server chat system implemented in C++ featuring text messaging, LRU caching, thread pool scheduling, and comprehensive OS concepts integration.

Categories of Artificial Intelligence for Business: 1. AI Assistive Technology: Technologies that help people with disabilities. 2. AI Autonomous: Autonomous systems, such as self-driving cars. 3. AI ...