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.
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.
