Open Referral recognizes the existence of [a diverse array of taxonomies](http://docs.openreferral.org/en/latest/design_principles/#related-taxonomies) that are used to describe types of services, organizations, and people for whom services are available. Given that such categories are inherently subjective, whereas Open Referral’s format is describing only factual data, we do not prescribe a specific taxonomy. Instead, our data format specifies a way to include any taxonomy in open data.
Several prominent taxonomies are prohibited from use by members of the public due to intellectual property claims. This poses barriers to the accessibility of community resource data. We are committed to seek solutions that can sustainably and responsibly remove barriers to the widespread use of these important classification tools.
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