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PropertyData for May 2026
numConstraints
Estimated domains
< 1K
Description
Indicates the number of constraints property values defined for a particular ConstraintNode such as StatisticalVariable. This helps applications understand if they have access to a sufficiently complete description of a StatisticalVariable or other construct that is defined using properties on template-style nodes.
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.