A new, publicly available atlas of biomedical papers maps the relationships between nearly 21 million articles, providing a “bird’s-eye view” of the literature.
Wish there was a quicker way to catch fraudulent papers? Or to find out which types of studies are most likely to be published by women authors? Good luck trying to spot trends in the scientific literature—a morass of millions of papers that is increasing in size at an unrelenting pace.
The atlas “gives a compelling picture of the entire structure of biomedicine,” says Kevin Boyack, an information scientist who works on similar visualization methods at SciTech Strategies, a research consulting company. “It should prove quite useful in looking at high-level trends.” To create the atlas, Kobak’s team downloaded the abstracts of nearly 21 million English-language articles from the PubMed search engine. The team then used an AI large language model known as PubMedBERT to sort the abstracts by similarity. The model looked for scientific terms within each abstract and interpreted their meaning according to the surrounding text. Based on this analysis, it grouped similar publications together into so-called “neighborhoods.”.
Although retracted papers can be found peppered across the atlas, many coalesce on dense islands owing to their similarities.The atlas may also be useful for zeroing in on fraudulent studies. In another analysis, Kobak’s team highlighted almost 12,000 papers that had been flagged as retracted on the PubMed database. These papers were dotted throughout the atlas, but many of them grouped together into dense “islands.
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