Documentation

h1. SubjectSchemeValue

Subject classification against a vocabulary

|. field name |. cardinality |. type |. description |
| scheme | ONE | string | OpenAIRE subject classification scheme (https://api.openaire.eu/vocabularies/dnet:subject_classification_typologies). |
| value | ONE | string | The value for the subject in the selected scheme. When the scheme is 'keyword', it means that the subject is free-text (i.e. not a term from a controlled vocabulary). |

Example data:

{
"scheme" : "keyword",
"value" : "pyrolysis-oil"
}