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, ...

Abstract: Service robots are becoming able to perform a variety of tasks and they are currently used for many different applications. For this reason people with different backgrounds and also without ...

Conversational AI group bot for Telegram. It can also schedule posts, combat raiders/spammers, generate memes, scrape images, provide drawing ideas, call all members and more! - ...

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