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Artificial Intelligence Did It! 3.3Mn Scientific Abstracts and New Materials Discovered

Researchers have shown how natural-language processing can accelerate scientific discovery.

Extravagant new approaches and advancements have brought new innovations in Natural-language processing.
Also, the developments of unsupervised machine-learning techniques are really good at capturing the relationships between words. They count how often and how closely words are used in relation to one another and map those relationships in a three-dimensional vector space.

Natural-language processing

The patterns can then be used to predict basic analogies like “man is to king as woman is to queen,” or to construct sentences and power things like autocomplete and other predictive text systems.

Now, a group of researchers have used this technique to munch through 3.3 million scientific abstracts published between 1922 and 2018 in journals that would likely contain materials science research. The resulting word relationships captured fundamental knowledge within the field, including the structure of the periodic table and the way chemicals’ structures relate to their properties. The paper was published in Nature last week.

Because of the technique’s ability to compute analogies, it also found a number of chemical compounds that demonstrate properties similar to those of thermoelectric materials but have not been studied as such before. The researchers believe this could be a new way to mine existing scientific literature for previously unconsidered correlations and accelerate the advancement of research in a field.

This isn’t the first time such techniques have discovered fascinating, sometimes surprising relationships in a vast amount of text. In 2017, for example, a paper published in Science found that the same technique used to process a giant corpus of text from the internet successfully reproduced historical human biases against race and gender, and even computed the ratio of men to women in different professions. These papers show how much rich information about our world is implicit in human language. Machine learning is now giving us the tools to unlock that knowledge.


Niloy Banerjee

A generic movie-buff, passionate and professional with print journalism, serving editorial verticals on Technical and B2B segments, crude rover and writer on business happenings, spare time playing physical and digital forms of games; a love with philosophy is perennial as trying to archive pebbles from the ocean of literature. Lastly, a connoisseur in making and eating palatable cuisines.

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