Firstly, the Google Brain's development process and research results were reviewed, and the status was ana-lyzed. Secondly, five problems in knowledge service were pointed out,that is the low utilization of the knowledge, the fragmentation, the qualities, limited learning abilities versus the quick development of knowledge, the lack of new knowledge and so on. Combined with the Google Brain's research results, the AI knowledge service application model was given.Thirdly,the authors looked into the different application levels AI in knowledge service,including improving the utilization rate and accuracy rate, helping to master knowledge involved, satisfying the potential demand and creat-ing new knowledge. At last, the essay demonstrated that AI development is still in the early stage, and enough data is necessary.Besides,the application should be problem-centered.%文章首先对谷歌大脑的发展及影响进行了概述.然后结合谷歌大脑的研究成果,构建了人工智能知识服务应用模式,分析了人工智能在提高知识利用/准确率、帮助快速掌握领域知识、关注潜在需求,以及创造新知识等4个不同层次的应用.分析认为人工智能还处于发展初期,需要储备足够的大数据以支撑知识服务的开展,并且人工智能应用应该以问题为中心.
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