Extracting Tag Hierarchies - Tibély, Gergely; Pollner, Péter; Vicsek, Tamás; Palla, Gergely (PloS one, 2013)
Keywords: Algorithms; Analysis; Annotations; Biology; Collaboration; Computer Science; Data collection; Engineering; Hierarchies; Humans; Information Dissemination - methods; Interpersonal Relations; Marking; Mathematics; Online Systems; Ontology; Pattern Recognition, Automated; Photography; Physics; Proteins - metabolism; Recommender systems; Scientific papers; Search Engine - methods; Social and Behavioral Sciences; Subject Headings; Tagging; Tags; Hungary