@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix ns3: <http://purl.org/spar/bido/> .
@prefix ns4: <http://www.w3.org/2003/06/sw-vocab-status/ns#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix vann: <http://purl.org/vocab/vann/> .

ns3:e-index a [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:allValuesFrom [ a owl:Restriction ;
                            owl:allValuesFrom foaf:Person ;
                            owl:onProperty [ owl:inverseOf ns3:holdsBibliometricDataInTime ] ] ;
                    owl:onProperty [ owl:inverseOf ns3:withBibliometricData ] ] ;
            owl:onProperty [ owl:inverseOf ns3:hasMeasure ] ],
        ns3:BibliometricMeasure,
        owl:NamedIndividual ;
    rdfs:label "e-index" ;
    vann:example """
    :my-numeric-bibliometric-data a bido:NumericBibliometricData ;
        bido:hasMeasure bido:e-index ;
        bido:hasNumericValue "3"^^xsd:integer .
    """ ;
    rdfs:comment "An h-index complement, aimed at considering the contributions of excess citations, which are mainly from highly cited papers. It is necessary, especially for evaluating highly cited scientists or for precisely comparing the scientific output of a group of scientists having an identical h-index." ;
    rdfs:isDefinedBy <http://purl.org/spar/bido-standard-bibliometric-measures/> ;
    ns4:term_status <http://purl.org/linked-data/registry#statusStable> .