## Changelog

| **Version** | **Changes** | **Readiness** |
|---|---|---|
| 2.8.21 | [Graph model]<br>added the following relation terms Describes/IsDescribedBy, IsMetadataFor/IsMetadataOf, HasAssociationWith/HasAssociationWith, IsRequiredBy/Requires. All these are used in combination with the relation subRelType "relationship" | beta |
| 2.8.20 | [Graph model]<br>added constants declaring the values used for hierarchical relationships among the organizations IsParentOf / IsChildOf | beta |
| 2.7.18-19 | [Dump model]<br>include validation info in relations<br>[Graph model]<br>added constants declaring vocabulary names for relation fields | production |
| 2.7.17 | [Dump model]<br>aligned the graph dump schema to mirror the changes in the model<br>1. Added openaccessroute at the level of the instance inside the AccessRight element;<br>2. Added pid and the alternate identifiers at the level of the instance;<br>3. Added the bipFinder measures | production |
| 2.7.16 | [Graph model]<br>Updated the casing of the following terms (`relation.relClass`):<br>1. `isRelatedTo -> IsRelatedTo`<br>Added the following `relClass` terms:<br>1. `IsAmongTopNSimilarDocuments`<br>2. `HasAmongTopNSimilarDocuments` | production |
| 2.7.15 | 1. added support for delegated authorities<br>2. fixed regex for DOI cleaning | production |
| 2.7.14 | [Graph model]<br>Relation types are now inspired by the Datacite definitions https://schema.datacite.org/meta/kernel-4.4/doc/DataCite-MetadataKernel_v4.4.pdf <br>The changes involve the values stored in `relation.subRelType` and `relation.relClass`:<br>Updated the casing of the following terms (`relation.relClass`):<br>1. `isSupplementTo -> IsSupplementTo` / `isSupplementedBy -> IsSupplementedBy`<br>2. `isPartOf -> IsPartOf` / `hasPart -> HasPart`<br>3. `cites -> Cites` / `isCitedBy -> IsCitedBy`<br>4. `reviews -> Reviews` / `isReviewedBy -> IsReviewedBy`<br>Added the following terms [`subRelType: relClass / relClass (inverse)`]:<br>1. `relationship: References / IsReferencedBy`<br>2. `relationship: IsIdenticalTo`<br>3. `relationship: IsContinuedBy / Continues`<br>4. `relationship: IsDocumentedBy	/ Documents`<br>5. `relationship: Documents / IsDocumentedBy`<br>6. `relationship: IsCompiledBy / Compiles`<br>7. `version: IsPreviousVersionOf / IsNewVersionOf`<br>8. `version: IsSourceOf / IsDerivedFrom`<br>9. `version: IsVariantFormOf / IsOriginalFormOf`<br>10. `version: IsObsoletedBy / Obsoletes`<br>11. `version: IsVersionOf / HasVersion` | production |
| 2.6.14 | [Scholexplorer]<br>1. Added model classes for Scholexplorer, package `eu.dnetlib.dhp.schema.sx` | production |
| 2.6.13 | 1. `Result.mergeFrom` handles field `dateOfAcceptance` | production |
| 2.5.12 | 1. delegating the date parsing to https://github.com/sisyphsu/dateparser | production |
| 2.5.[11-9] | 1. support for more date formats<br>2. enable the possibility to extend the date formats used to parse `Relation.validationDate` | production |
| 2.4.8 | 1. added constant for ORCID datasource name | production |
| 2.4.7 | refactoring | production |
| 2.3.6 | [Aggregation]<br>1. introduced MetadataStoreManager (MdSM) model classes| production |
| 2.2.5 | [Graph model]<br>1. introduced fields `Instance.pid` and `Instance.alternateIdentifier`<br>2. `LicenseComparator` renamed as `AccessRightComparator`<br>3. introduced `AccessRight` model class defining the `OpenAccessRoute` field to keep track of the OpenAccess color at the `Instance` level<br>4. `ExternalReference` cleanup (removed description, added alternateLabel(s))<br>5. added several ModelConstants<br>[Aggregation]<br>7. introduced MDStore record model classes<br>8. Introduced ORCID specific model classes | production |
| 2.2.4 | 1. ORCID specific model classes backported in the version used in PROD<br>2. added constant for dnet:externalReference_typologies<br>3. added constant for ORCID datasource name<br>4. `Result.mergeFrom` handles field `dateOfAcceptance` | production |