The table below describes the mapping from the XML Native to the OAF mapping
| Xpath Source | Oaf Field | Notes |
| ----------- | ----------- | ----------- |
| //PMID | pid | classid = classname = pmid
| | **Instance Mapping** | |
|//PublicationType | InstanceType | If the article contains the typology **Journal Article** then we apply this type else We have to find a terms that match the vocabulary otherwise we discard it
|//PMID | instance/PID | Map the pmid also in the pid in the instance |
| //ArticleId[./@IdType="doi" | instance/alternateIdentifier |classid = classname = doi
|//PMID | instance/URL | prepend to the PMId the base url https://pubmed.ncbi.nlm.nih.gov/
| //PubmedPubDate | instance/Dateofacceptance | apply the function GraphCleaningFunctions.cleanDate before assign it
| FOR ALL INSTANCE | CollectedFrom | datasourceName: *Europe PubMed Central* DatasourceId:
| | **Journal Mapping** | |
|//Journal/PubDate| Journal/Conferencedate | map the date of the Journal
|//Journal/Title| Journal/Name | |
|//Journal/Volume| Journal/Vol | |
|//Journal/ISSN| Journal/issPrinted | |
|//Journal/Issue| Journal/Iss | |
| | **Publication Mapping** | |
| //PubmedPubDate | Dateofacceptance | apply the function GraphCleaningFunctions.cleanDate before assign it
| //Title | title | with qualifier ModelConstants.MAIN_TITLE_QUALIFIER