@prefix this: . @prefix sub: . @prefix xsd: . @prefix dct: . @prefix prov: . @prefix np: . sub:Head { this: np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo; a np:Nanopublication . } sub:assertion { "10.1145/2063576.2063992"; dct:creator , , , ; dct:date "2011"^^xsd:gYear; dct:identifier "10.1145/2063576.2063992"; dct:isPartOf ; dct:publisher "ACM Press"; dct:title "Classifying trending topics"; "10.1145/2063576.2063992"; , . a ; "Zubiaga"; "Arkaitz"; "Arkaitz Zubiaga" . a ; "Spina"; "Damiano"; "Damiano Spina" . a ; "Martínez"; "Raquel"; "Raquel Martínez" . a ; "Fresno"; "Víctor"; "Víctor Fresno" . dct:title "Proceedings of the 20th ACM international conference on Information and knowledge management - CIKM '11"; a . } sub:provenance { sub:assertion prov:wasDerivedFrom . } sub:pubinfo { this: dct:created "2021-09-20T12:48:17.385+02:00"^^xsd:dateTime; dct:creator , , , , ; dct:license . }