Logical operator AND OR Property [Any Property] Audience Education Level Contributor Creator Date Date Created Date Modified Description Identifier Is Referenced By Relation Rights Rights Holder Source Spatial Coverage Subject Temporal Coverage Title Type contentLocation description educationalAlignment educationalLevel educationalUse endDate homeLocation learningResourceType location prepTime startDate timeRequired url Query type is exactly is not exactly contains does not contain starts with does not start with ends with does not end with is resource with ID is not resource with ID has any value has no values Query text