#### What Is Sitecore Cortex?

[Sitecore Cortex](https://www.sitecore.com/products/sitecore-experience-platform/cortex) is a machine learning engine that is built on top of Sitecore Experience Platform. Marketers can use it to analyze data collected from both their website or third parties, and then turn large amounts of data into actionable insights.

Sitecore captures users’ digital fingerprints when they interact with a business’s digital channels and stores them in Sitecore's Experience Database. Sitecore Cortex then analyzes this data,  studies surface patterns and complex relationships, and generates recommendations and outcomes based on predictive scoring and other factors.

Marketers can apply Sitecore's contextual intelligence to real-world situations:

- **Tagging content**    Cortex’s content tagging helps to increase the value, accessibility, and interoperability of content by using natural processing engines (NLPs) like Refinitiv Intelligent Tagging Open Calais. Cortex sends the content to an NLP platform and then receives semantic metadata. Sitecore uses this metadata to tag content with a user-defined taxonomy.

- **Personalizing content**    Cortex helps marketers understand which content provides the best results, offers recommendations on fine-tuning content, and gives advice on how to cluster similar data.

- **Processing and analyzing data**    Cortex detects meaningful data point combinations, sequences, or progressions and enables businesses to quickly predict what their customers are going to do next.

More about [Sitecore Cortex](https://www.sitecore.com/products/sitecore-experience-platform/cortex)

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