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PropertyData for May 2026
coursePrerequisites
Estimated domains
1K - 10K
Description
Requirements for taking the Course. May be completion of another Course or a textual description like "permission of instructor". Requirements may be a pre-requisite competency, referenced using AlignmentObject.
Definition from the Schema.org vocabulary (English).
Trend over time
At least two months are needed to show a trend. The series will grow with every monthly update.
Used on types
Tiers indicate the number of unique domains using the term. They are intentionally approximate to reduce noise and protect site privacy. How to read the data.