ex:PDH a dpv:Process ;
    # method 1: directly use concept from PD
    dpv:hasPersonalData pd:EmailAddress ;
    # method 2: extend concept from PD
    dpv:hasPersonalData [
        a dpv:PersonalData ;
        skos:broader pd:EmailAddress ;
        skos:prefLabel "Work Email"@en ;
    ] ;
    # method 3: specify an exact value i.e. an instance
    dpv:hasPersonalData [
        a dpv:PersonalData, pd:EmailAddress ;
        rdf:value "work@example.com" ;
    ] ;
    # method 4: use another appropriate vocabulary e.g. schema.org
    dpv:hasPersonalData [
        a schema:ContactPoint ;
        a dpv:PersonalData ; # strongly recommended for interop
        a pd:EmailAddress ; # strongly recommended for interop
        schema:email "work@example.com" ;
    ] ;
    # Note: Email Address can be an identifier
    # So good practice is to also declare it when used as an identifier
    dpv:hasPersonalData [
        a dpv:PersonalData ;
        skos:broader pd:EmailAddress, pd:Identifier ;
    ] ;
    dpv:hasPersonalData [
        a dpv:PersonalData, pd:EmailAddress, pd:Identifier ;
        rdf:value "work@example.com" ;
    ] .