Researchers have taught a ‘deep-learning’ AI to predict food product recalls from Amazon reviews.

In a recent study, researchers have taught an existing ‘deep-learning’ AI called Bidirectional Encoder Representation from Transformations (BERT) to predict food product recalls from Amazon reviews with about 74 percent accuracy. The AI also identified 20,000 reviews that suggested potentially unsafe food products that had not been investigated.

The Food and Drug Administration (FDA) can take months to identify and verify a problem before issuing a product recall, so most recalls come from manufacturers, often after enough people have alreadt gotten sick. But soon, artificial intelligence could comb through online reviews to identify serious threats to public health, and speed the process of a product recall, according to the new study co-authored by a Boston University School of Public Health (BUSPH) researcher.

“Health departments in the US are already using data from Twitter, Yelp, and Google for monitoring foodborne illnesses,” said the study’s senior author, Dr Elaine Nsoesie, assistant professor of global health at BUSPH. “Tools like ours can be effectively used by health departments or food product companies to identify consumer reviews of potentially unsafe products, and then use this information to decide whether further investigation is warranted.”

BERT is trained on large bodies of English-language text, including English Wikipedia, and can interpret text for a given purpose. Nsoesie and her colleagues used crowdsourcing to categorise 6000 reviews that contained words related to FDA recall reasons, along with metadata such as the review’s title and star rating.

BERT was able to look at these same customer reviews and correctly identify recalled food products with 74 percent accuracy.

It then found terms associated with FDA recalls in 20,000 other reviews.

The study was published in the Journal of the American Medical Informatics Association (JAMIA) Open.

By Rachael Harper (New Food Magazine)

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