<http://sw.islab.ntua.gr/timeline/resource/C21>
        a       <http://www.w3.org/2006/time#ProperInterval> , <http://sw.islab.ntua.gr/timeline/schema/Century> ;
        <http://www.w3.org/2000/01/rdf-schema#label>
                "21th century AD"@en , "21ος αιώνας μ.Χ."@el ;
        <http://www.w3.org/2006/time#hasBeginning>
                <http://sw.islab.ntua.gr/timeline/resource/D2001.01.01> ;
        <http://www.w3.org/2006/time#hasEnd>
                <http://sw.islab.ntua.gr/timeline/resource/D2100.12.31> ;
        <http://www.w3.org/2006/time#intervalAfter>
                <http://sw.islab.ntua.gr/timeline/resource/C20> ;
        <http://www.w3.org/2006/time#intervalIn>
                <http://sw.islab.ntua.gr/timeline/resource/X3> ;
        <http://www.w3.org/2006/time#intervalStarts>
                <http://sw.islab.ntua.gr/timeline/resource/X3> .