The expanding use of generative-AI applications has increased the demand for accurate, cost-effective large language models (LLMs). LLMs’ costs vary ...

Customer interactions with Alexa are constantly growing more complex, and on the Alexa science team, we strive to stay ahead of the curve by continuously ...

Using machine learning to train information retrieval models — such as Internet search engines — is difficult because it requires so much manually annotated ...

Computerized question-answering systems usually take one of two approaches. Either they do a text search and try to infer the semantic relationships between ...

Earlier this year, we reported a speech recognition system trained on a million hours of data, a feat possible through semi-supervised learning, in which ...

Most of the major advances in artificial intelligence in the past decade, in both industry and academia, have been the result of supervised deep learning, ...

Amazon prides itself on being the most customer-centric company on earth. That means maintaining the highest possible standards of both security and privacy ...

The last few years have seen great advances in the design of language models, which are a critical component of language-based AI systems. Language models ...

Jeff Bezos, founder and CEO, Amazon On April 16, Amazon released Jeff Bezos’s 2019 Letter to ...

Six years ago, while pursuing her PhD in management information systems from Purdue University, Na Zhang did a three-month internship with Amazon’s fraud ...