D-Net

@namespace("eu.dnetlib.iis.metadataextraction.schemas")

protocol IIS{

	import idl "Affiliation.avdl";

	import idl "ReferenceBasicMetadata.avdl";

	import idl "ReferenceMetadata.avdl";

    record Author {

//      author name extracted from pdf document

        union { null , string } authorFullName = null;

//		position on affiliations list        

        union { null , array<int> } affiliationPositions = null;

    }

    record ExtractedDocumentMetadata {

//      ID of the document, foreign key: Document.id ("document" data store)

        string id;

//      moved from DocumentBasicMetadata        

//      title

        union { null , string } title = null;

//      abstract or description

        union { null , string } abstract = null;

        union { null , string } language = null;

//      list of keywords (free form)

        union { null , array<string> } keywords = null;

//      alternative identifier (e.g. internal publisher's identifiers)

        union { null , map<string> } externalIdentifiers = null;

//      name of journal in which the article is published

        union { null , string } journal = null;

//      year of publication

        union { null , int } year = null;

//      publisher name

        union { null , string } publisher = null;

//      end of: moved from DocumentBasicMetadata

//      references extracted from pfd document

        union { null , array<ReferenceMetadata> } references = null;

//      author names extracted from pdf document

//        union { null , array<string> } authorFullNames = null;

//		authors extracted from PDF document along with position of affiliations list

        union { null , array<Author> } authors = null;

//      affiliations extracted from PDF document

        union { null , array<Affiliation> } affiliations = null;

//      additional fields supplementing basicMetadata

//      journal volume in which the article is published

        union { null , string } volume = null;

//      journal issue in which the article is published

        union { null , string } issue = null;

//      page range in which the article is published

        union { null , Range } pages = null;

    }

}