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Machine learning, reorganized as a separate field, started to flourish in the 1990s. The field changed its goal from achieving artificial intelligence to tackling solvable problems of a practical nature. It shifted focus away from the [[symbolic artificial intelligence|symbolic approaches]] it had inherited from AI, and toward methods and models borrowed from statistics and [[probability theory]].<ref name="changing" /> As of 2019, many sources continue to assert that machine learning remains a sub field of AI. Yet some practitioners, for example Dr [[Daniel J. Hulme|Daniel Hulme]], who both teaches AI and  runs a company operating in the field, argues that machine learning and AI are separate. <ref name="elements">

Machine learning, reorganized as a separate field, started to flourish in the 1990s. The field changed its goal from achieving artificial intelligence to tackling solvable problems of a practical nature. It shifted focus away from the [[symbolic artificial intelligence|symbolic approaches]] it had inherited from AI, and toward methods and models borrowed from statistics and [[probability theory]].<ref name="changing" /> As of 2019, many sources continue to assert that machine learning remains a sub field of AI. Yet some practitioners, for example Dr [[Daniel J. Hulme|Daniel Hulme]], who both teaches AI and  runs a company operating in the field, argues that machine learning and AI are separate. <ref name="elements">

Machine learning, reorganized as a separate field, started to flourish in the 1990s. The field changed its goal from achieving artificial intelligence to tackling solvable problems of a practical nature. It shifted focus away from the symbolic approaches it had inherited from AI, and toward methods and models borrowed from statistics and probability theory. As of 2019, many sources continue to assert that machine learning remains a sub field of AI. Yet some practitioners, for example Dr Daniel Hulme, who both teaches AI and  runs a company operating in the field, argues that machine learning and AI are separate. <ref name="elements">

Machine learning, reorganized as a separate field, started to flourish in the 1990s. The field changed its goal from achieving artificial intelligence to tackling solvable problems of a practical nature. It shifted focus away from the symbolic approaches it had inherited from AI, and toward methods and models borrowed from statistics and probability theory. As of 2019, many sources continue to assert that machine learning remains a sub field of AI. Yet some practitioners, for example Dr Daniel Hulme, who both teaches AI and  runs a company operating in the field, argues that machine learning and AI are separate.  

机器学习，在重组为一个独立的领域之后，与20世纪90年代开始蓬勃发展。该领域的目标从实现人工智能转变为解决实际中的可解决问题。它将焦点从它从人工智能继承的符号方法转移到从统计学和概率论中借鉴的方法和模型。截止至2019年，许多资料都继续断言机器学习仍然是人工智能的一个子领域。然而，一些该领域的从业者（例如丹尼尔 · 休姆 Daniel Hulme博士，他既教授人工智能，又经营着一家在该领域运营的公司），则认为机器学习和人工智能是分开的。

机器学习，在重组为一个独立的领域之后，与20世纪90年代开始蓬勃发展。该领域的目标从实现人工智能转变为解决实际中的可解决问题。它将焦点从它从人工智能继承的符号方法转移到从统计学和概率论中借鉴的方法和模型。截止至2019年，许多资料都继续断言机器学习仍然是人工智能的一个子领域。然而，一些该领域的从业者（例如丹尼尔 · 休姆 Daniel Hulme博士，他既教授人工智能，又经营着一家在该领域运营的公司），则认为机器学习和人工智能是分开的。