openaire-graph-docs/docs/downloads/alternative-model/communityInstance.md

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---
sidebar_position: 1
---
# CommunityInstance
It is a subclass of [Instance](../../data-model/entities/research-product#instance) extended with information regarding the collection and hosting source for this materialization of the research product.
### hostedby
_Type: [CfHbKeyValue](./cfhb) • Cardinality: ONE_
Information about the source from which the instance can be viewed or downloaded.
```json
"hostedby": {
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"key": "issn___print::35ee75a5ad42581d604be113a8f56427",
"value": "New Phytologist"
},
```
### collectedfrom
_Type: [CfHbKeyValue](./cfhb) • Cardinality: ONE_
Information about the source from which the record has been collected
```json
"collectedfrom": {
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"key": "openaire____::081b82f96300b6a6e3d282bad31cb6e2",
"value": "Crossref"
}
```