# https://id.confref.org/data/confref-portal/event/ipco1999 (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/ipco1999>
    a portal:Conference ;
    schema:location wd:Q13298 ;
    rdfs:label "Integer Programming and Combinatorial Optimization (IPCO)" ;
    portal:acronym "IPCO" ;
    portal:area <https://id.confref.org/data/confref-portal/area/2> ;
    portal:city "Graz" ;
    portal:country "Austria" ;
    portal:endDate "1999-06-11"^^xsd:date ;
    portal:keyword "2-edge connected graph" ,
        "Approximation algorithm" ,
        "Bipartite tournament" ,
        "Branch-and-bound methods" ,
        "Semidefinite programming" ,
        "Traveling Salesman Problem" ,
        "critical extreme point" ,
        "cut" ,
        "feedback vertex set" ,
        "min-max relation" ,
        "polytope" ,
        "totally dual integrality" ;
    portal:name "Integer Programming and Combinatorial Optimization (IPCO)" ;
    portal:portalPage <http://portal.confref.org/list/ipco1999> ;
    portal:series <https://id.confref.org/data/confref-portal/series/ipco> ;
    portal:startDate "1999-06-09"^^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://dblp.org/db/conf/ipco/ipco1999> .