Duolingo如何在其应用程序的每个部分使用人工智能

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Language learning has surged during the pandemic. Duolingo, which is synonymous with gamified language learning, saw its fastest growth period this March, with a 101% global increase in new users. From those who simply have more time on their hands to students trying to keep up during the pandemic school year, the app is a huge boon. All that extra data isn’t going to waste — because Duolingo invested early in AI, the app keeps getting better as it grows beyond the 30 million monthly active users reported in December 2019.

语言学习在大流行期间激增。作为游戏化语言学习的代名词，Duolingo在今年3月迎来了它的最快增长期，全球新用户增长了101%。从那些只是手上有更多时间的人，到试图在大流行的学年中跟上步伐的学生，这个应用程序是一个巨大的福音。所有这些额外的数据并没有浪费--因为Duolingo很早就投资于人工智能，随着其增长超过2019年12月报告的3000万月度活跃用户，该应用程序不断变得更好。

“One of the things people don’t know is that even though Duolingo is very gamified and it just looks very cutesy, we actually record everything you do to try to basically have a model of what you know,” Duolingo CEO Luis von Ahn told VentureBeat. We spoke to von Ahn about all the ways Duolingo uses AI and then followed up with the company’s research director, Burr Settles, who joined in 2013 (Duolingo was founded in 2012). “We hired this guy named Burr who has a Ph.D. in AI,” von Ahn said when describing the company’s first foray into AI. “He came in and the idea was ‘Try to figure out how to use AI to improve Duolingo.'”

"Duolingo首席执行官Luis von Ahn告诉VentureBeat："人们不知道的一点是，尽管Duolingo非常游戏化，而且看起来非常可爱，但我们实际上记录了你所做的一切，以尝试基本上拥有一个你所知道的模型。我们采访了冯-安关于Duolingo使用人工智能的所有方式，然后又采访了该公司的研究总监伯尔-塞特尔斯，他于2013年加入（Duolingo成立于2012年）。"我们雇了一个叫伯尔的人，他是人工智能方面的博士，"冯-安在描述公司首次涉足人工智能时说。"他进来的时候，想法是'试着找出如何使用人工智能来改进Duolingo'。"

We’ve already done deep dives into how Duolingo uses AI to humanize virtual language lessons and to drive its English proficiency tests. This is a closer look at all aspects of the app itself, including the ...