# https://id.confref.org/data/confref-portal/event/opta2018 (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/opta2018>
    a portal:Conference ;
    schema:location wd:Q898 ;
    rdfs:label "International Conference on Optimization Problems and Their Applications" ;
    portal:acronym "OPTA" ;
    portal:area <https://id.confref.org/data/confref-portal/area/2> ;
    portal:city "Omsk" ;
    portal:country "Russia" ;
    portal:endDate "2018-06-14"^^xsd:date ;
    portal:keyword "1-skeleton" ,
        "3-satisfiability" ,
        "Accuracy estimates" ,
        "Adaptive observers" ,
        "Additive manufacturing" ,
        "Algorithm" ,
        "Approximating set" ,
        "Approximation algorithm" ,
        "Approximation guarantee" ,
        "Assignment" ,
        "Asymptotic accuracy" ,
        "Asymptotic properties" ,
        "Auxiliary Lagrangian" ,
        "Bilevel mathematical programming problems" ,
        "Branch-and-Bound" ,
        "Branch-and-price" ,
        "Capital costs" ,
        "Computational complexity" ,
        "Euclidean space" ,
        "Spare part logistics" ;
    portal:name "International Conference on Optimization Problems and Their Applications" ;
    portal:portalPage <http://portal.confref.org/list/opta2018> ;
    portal:series <https://id.confref.org/data/confref-portal/series/opta> ;
    portal:startDate "2018-06-08"^^xsd:date ;
    portal:submissionExtended "false"^^xsd:boolean ;
    portal:year "2018"^^xsd:integer ;
    cr:discipline wd:Q21198 ;
    cr:field <https://id.confref.org/data/oecd-fos/1.2> .