In the past few years, advances in artificial intelligence have captured our imaginations and led to the widespread use of voice services on our phones and ...

Suppose that you say to Alexa, “Alexa, play Mary Poppins.” Alexa must decide whether you mean the book, the video, or the soundtrack. How should she do ...

Language models are a key component of automatic speech recognition systems, which convert speech into text. A language model captures the statistical ...

In recent years, data representation has emerged as an important research topic within machine learning.Natural-language-understanding (NLU) systems, for ...

At a recent press event on Alexa's latest features, Alexa’s head scientist, Rohit Prasad, mentioned multistep requests in one shot, a capability that allows ...

In May 2018, Amazon launched Alexa’s Remember This feature, which enables customers to store “memories” (“Alexa, remember that I took Ben’s watch to the ...

Neural networks have been responsible for most of the top-performing AI systems of the past decade, but they tend to be big, which means they tend to be ...

Developing a new natural-language-understanding system usually requires training it on thousands of sample utterances, which can be costly and ...

Machine learning systems often act on “features” extracted from input data. In a natural-language-understanding system, for instance, the features might ...

Many of today’s most popular AI systems are, at their core, classifiers. They classify inputs into different categories: this image is a picture of a dog, ...

This Sunday's Super Bowl between the New England Patriots and the Los Angeles Rams is expected to draw more than 100 million viewers, some of whom will have ...

March 4 marks the kickoff of the third Alexa Prize Socialbot Grand Challenge, in which university teams build socialbots capable of conversing on a wide ...