Our mental world contains many concepts about worldly facts, and the Microsoft Concept Graph tries to duplicate them. It is a big graph of concepts, which is harnessed from billions of web pages and years' worth of search logs.

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In the demo, you can input a single instance, and the return result is the its concept distribution with different scoring functions.


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We provide REST APIs for serving your applications. These APIs are standard, cross-platform, and easy-to-use.


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In the release, we provide the core version of IsA data we mined from billions of web pages. This data contains 5,401,933 unique concepts, 12,551,613 unique instances, and 87,603,947 IsA relations.


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