109 lines
2.1 KiB
Markdown
109 lines
2.1 KiB
Markdown
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---
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title: The Relationship object
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---
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# The `Relationship` object
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A relationship in the Graph is represented with the data type presented in this page, which aims to model a directed edge between two nodes, providing information about its semantics, provenance and validation.
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### source
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_Type: String • Cardinality: ONE_
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OpenAIRE identifier of the node in the graph.
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```json
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"source": "openorgs____::1cb75a3ad756e4c83e455e3e7347643b"
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```
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### sourceType
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_Type: String • Cardinality: ONE_
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Graph node type.
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```json
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"sourceType": "organization"
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```
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### target
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_Type: String • Cardinality: ONE_
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OpenAIRE identifier of the node in the graph.
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```json
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"target": "doajarticles::022409068174087a003647ff46070f7f"
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```
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### targetType
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_Type: String • Cardinality: ONE_
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Graph node type.
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```json
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"target": "datasource"
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```
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### reltype
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_Type: [RelType](#the-reltype-object) • Cardinality: ONE_
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Represent the semantics of the relationship between two nodes of the graph.
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```json
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"reltype": {
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"name": "provides",
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"type": "provision"
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}
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```
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### provenance
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_Type: [Provenance](/data-model/entities/other#provenance-1) • Cardinality: ONE_
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Indicates the process that produced (or provided) the information.
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```json
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"provenance": {
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"provenance": "Harvested",
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"trust":"0.900"
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}
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```
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### validated
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_Type: Boolean • Cardinality: ONE_
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Indicates weather or not the relationship was validated.
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```json
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"validated": true
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```
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### validationDate
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_Type: String • Cardinality: ONE_
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Indicates the validation date of the relationship - applies only when the validated flag is set to true.
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```json
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"validationDate": "2022-09-02"
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```
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---
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## The `RelType` object
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The RelType data type models the semantic of the relationship among two nodes.
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### type
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_Type: String • Cardinality: ONE_
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The relationship category, e.g. affiliation, citation. (see [relationship types](./relationship-types)).
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```json
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"name": "provides"
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```
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### name
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_Type: String • Cardinality: ONE_
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Further specifies the relationship semantic, indicating the relationship direction, e.g. Cites, isCitedBy.
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```json
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"type": "provision"
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```
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---
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