Alexa
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RescoreBERT: Using BERT models to improve ASR rescoring
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When someone speaks to a voice agent like Alexa, an automatic speech recognition (ASR) model converts the speech to text. Typically, the core ASR model is ...

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Alexa AI’s natural-language-understanding papers at ICASSP 2022
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The International Conference on Acoustics, Speech, and Signal Processing (ICASSP), which wrapped up late last month, focuses, as its name suggests, on ...

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Alexa’s head scientist on conversational exploration, ambient AI
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A. To begin with, Alexa already exhibits common sense in a number of areas. For example, if you say to Alexa, “Set a reminder for the Super Bowl”, Alexa not ...

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Ten stories from the first half of 2022 that captivated readers
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AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global ...

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My experience at Amazon while teaching at Stanford
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Editor’s note: Mina Ghashami is an applied scientist in Alexa Video and an adjunct lecturer at Stanford University. Here she writes about how her experience ...

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Why ambient computing needs self-learning
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Today at the annual meeting of the ACM Special Interest Group on Information Retrieval (SIGIR), Ruhi Sarikaya, the director of applied science for Alexa AI, ...

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20B-parameter Alexa model sets new marks in few-shot learning
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Most major advances in AI have come from supervised learning, in which machine learning models are trained on annotated data. But as commercial AI models ...

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Scaling multilingual virtual assistants to 1,000 languages
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Yesterday at the joint Language Intelligence @ Work and SEMANTiCS conference in Vienna, Austria, Amazon senior applied scientist Jack FitzGerald delivered a ...

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The science behind Alexa’s new interactive story-creation experience
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In September, Amazon senior vice president Dave Limp unveiled Amazon Devices’ new lineup of products and services. Among them was a new Alexa experience ...

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The science behind the new “Alexa, what should I watch?” Fire TV experience
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"What should I watch?"In an entertainment universe filled with a rapidly expanding catalog of shows across myriad channels and apps, this might be one of ...

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