AI Assistant（AI 助手）

AI assistants are software agents that use natural language processing, machine learning, and knowledge bases to interact with users. They can perform tasks like scheduling, answering queries, and controlling smart devices. Examples include Siri, Alexa, and Google Assistant. Modern AI assistants leverage large language models for more natural conversations and context understanding. They are deployed across platforms, from smartphones to smart speakers, and are becoming increasingly proactive and personalized.