The reason for this Pull request is that to find the timeline of discourse. I updated the code that fetched the PubMed ID's publication date using the PubMed API (In PubMed Java class). After fetching the publication date, I put it in the publication information graph with pav:authoredOn predicate. I also updated the dcterms:created to pav:createdOn because pav:createdOn is the date of creating the digital artefact or resource representation.
The reason for this Pull request is that to find the timeline of discourse. I updated the code that fetched the PubMed ID's publication date using the PubMed API (In PubMed Java class). After fetching the publication date, I put it in the publication information graph with pav:authoredOn predicate. I also updated the dcterms:created to pav:createdOn because pav:createdOn is the date of creating the digital artefact or resource representation.