# https://id.confref.org/data/confref-portal/event/er1999 (confref labs, beta)
@prefix cr: <https://id.confref.org/ontology/> .
@prefix portal: <https://id.confref.org/data/confref-portal/vocab/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <http://schema.org/> .
@prefix wd: <http://www.wikidata.org/entity/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://id.confref.org/data/confref-portal/event/er1999>
    a portal:Conference ;
    schema:location wd:Q90 ;
    rdfs:label "International Conference on Conceptual Modeling (ER)" ;
    portal:acronym "ER" ;
    portal:area <https://id.confref.org/data/confref-portal/area/2> ;
    portal:city "Paris" ;
    portal:country "France" ;
    portal:endDate "1999-11-18"^^xsd:date ;
    portal:keyword "Conceptual schema" ,
        "Description-Driven systems" ,
        "Incremental and Rectangular Decomposition" ,
        "Inheritance Graph Hierarchy" ,
        "Modelling change" ,
        "ODMG" ,
        "Object-Oriented Databases" ,
        "Optimal Rectangle" ,
        "application migration" ,
        "binary relation" ,
        "class" ,
        "schema evolution" ,
        "temporal databases" ,
        "temporal updates" ,
        "versioning" ;
    portal:name "International Conference on Conceptual Modeling (ER)" ;
    portal:portalPage <http://portal.confref.org/list/er1999> ;
    portal:series <https://id.confref.org/data/confref-portal/series/er> ;
    portal:startDate "1999-11-15"^^xsd:date ;
    portal:submissionExtended "false"^^xsd:boolean ;
    portal:year "1999"^^xsd:integer ;
    cr:discipline wd:Q21198 ;
    cr:field <https://id.confref.org/data/oecd-fos/1.2> ;
    cr:sameAs <https://id.confref.org/data/confident/8214> .