@inproceedings{1761a9dcc32a4063bb918ac6fb7d7ad1,
title = "Extending Ontologies with Free Keywords in a Collaborative Annotation Environment",
keywords = "annotation, folksonomies, free keywords, ontologies, semantic web, annotation, folksonomies, free keywords, ontologies, semantic web, annotation, folksonomies, free keywords, ontologies, semantic web",
author = "Matias Frosterus and Eero Hyv{\"o}nen and Mika Wahlroos",
note = "VK: hyv{\~A}¶nen",
year = "2011",
language = "English",
booktitle = "Proceedings of the ISWC 2011 Workshop Ontologies Come of Age in the Semantic Web (OCAS), CEUR Workshop Proceedings, Vol 809, Bonn, Germany, October 2011",
}