"Kristian Slabbekoorn","Ontology-assisted Methods for the Detection and Clustering of Hierarchical Topics on the Social Web",,,,,,,2016,Mar. "Kristian Slabbekoorn","Ontology-assisted Methods for the Detection and Clustering of Hierarchical Topics on the Social Web",,,,,,,2016,Mar. "Kristian Slabbekoorn","Ontology-assisted Methods for the Detection and Clustering of Hierarchical Topics on the Social Web",,,,,,,2016,Mar. "Kristian Slabbekoorn,Tomoya NORO,TAKEHIRO TOKUDA","Towards Twitter User Recommendation Based on User Relations and Taxonomical Analysis","23nd European Japanese Conference on Information Modelling and Knowledge Bases","Proceedings of the 23rd European-Japanese Conference on Information Modelling and Knowledge Bases","IOS Press",,,"pp. 123-140",2013,June