# Cognizant Technology Solutions US Corp — Patents explained on PatentBrief

Cognizant Technology Solutions US Corp has 1 landmark patent explained in plain English on PatentBrief.

- [Teaching Computers to Understand Document Similarity Using AI](https://patentbrief.org/patent/us/10909459/federated-learning) — granted 2021
  This patent describes a way to train a computer program (a neural network) to understand how similar documents are to each other, by showing it examples and teaching it to group similar ones together and separate dissimilar ones.

**Full profile:** https://patentbrief.org/company/cognizant-technology-solutions-us-corp

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._