| Classes | | | |
| | Organization | A formal or informal group of people or entities working together for a common purpose, such as a company, university, or research group. | |
| | Work | A creation or contribution of intellectual, artistic, or scientific nature, such as a paper, book, or software. | |
| | Dataset | A collection of data, often structured and organized, used for analysis or research purposes. | |
| | Expression | A particular form a work takes each time it is realized, often including specific edits, translations, or formats. | |
| | JournalArticle | A scholarly article published in an academic journal, contributing new knowledge to a particular field of study. | |
| | Preprint | A version of a scholarly article that precedes peer review and formal publication, usually shared publicly to facilitate feedback. | |
| | Person | An individual human being, often used in academic and organizational contexts. | |
| | Identifier | A unique reference used to distinguish a particular entity, such as a DOI for a publication or a ROR for a research organization. | |
| | IdentifierScheme | A standardized system for creating identifiers, such as DOI or ROR, that ensures uniqueness and consistency. | |
| | StatusInTime | A representation of the state or condition of an entity at a specific point in time, such as publication status. | |
| | PublicationStatus | The state of a work in the publication process, including stages like being published in Gold Open Access, Green Open Access or Diamond Open Access. | |
| | RoleInTime | A person’s role or responsibility at a particular point in time. | |
| | Role | A defined function or responsibility, often in the context of a project or publication, such as “affiliate”. | |
| | Repository | A storage location for digital or physical items, such as a data repository for datasets or a repository for publications. | |
| | Concept | An abstract idea or a unit of meaning, often used in knowledge representation, such as a term in a classification system or ontology. | |
| | ConceptScheme | A system or structure of concepts, such as a taxonomy, ontology, or controlled vocabulary, used to organize knowledge. | |
| Object Properties | | | |
| | hasIdentifier | An object property that links an entity to its unique identifier, such as a DOI or a ROR. | |
| | usesIdentifierScheme | An object property indicating that an entity uses a specific identifier scheme, such as DOI or ROR. | |
| | accessService | An object property referring to a service or platform that provides access to an entity, such as a repository. | |
| | holdsRoleInTime | An object property that links an entity to a role it held at a specific point in time. | |
| | withRole | An object property linking a role in time to a specific role it holds or has held. | |
| | relatesToOrganization | An object property linking a role in time to an organization, such as affiliation with a research organization. | |
| | isRelatedToRoleInTime | An object property indicating a relationship between an entity and a role in time held by another entity at a certain time. | |
| | realization | An object property indicating that a work has been realized in a specific expression, such as a journal article or a preprint. | |
| | holdsStatusInTime | An object property linking an entity to its status at a specific point in time. | |
| | withStatus | An object property linking an entity to a particular status. | |
| | inScheme | An object property indicating that an entity is part of a particular concept scheme, such as a taxonomy or classification system. | |
| | relation | A general object property indicating a connection or relationship between two entities. | |
| Data Properties | | | |
| | name | A data property referring to the name of an entity, such as the name of a person or the name of an organization. | |
| | hasLiteralvalue | A data property linking an identifier to a literal value, such as a string. | |
| | title | A data property referring to the title of a work, such as the title of a journal article or dataset. | |
| | prefLabel | A data property used to define a preferred label or term for an entity, often in controlled vocabularies. | |
| | issued | A data property referring to the date when a work was issued or published, such as the publication date of a journal article. | |
| Individuals | | | |
| | doi | An individual representing a Digital Object Identifier, a unique identifier assigned to a digital object such as a journal article or dataset. | |
| | ror | An individual representing a Research Organization Registry identifier, a unique identifier for research organizations. | |
| | affiliate | An individual representing the role of a person being affiliated to an organization. | |
| | gold-open-access | An individual representing the publication status of being published in Gold Open Access, so that the author pays to make a work freely available to the public. | |
| | green-open-access | An individual representing the publication status of being published in Green Open Access, so that authors self-archive a work, making it available on a personal or institutional repository. | |
| | diamond-open-access | An individual representing the publication status of being published in Diamond Open Access, so that works are published without any fees for authors or readers. | |