Christian Wartena Rogier Brussee Instanced-Based Mapping between Thesauri and Folksonomies. 356-370 2008 International Semantic Web Conference http://dx.doi.org/10.1007/978-3-540-88564-1_23 conf/semweb/2008 db/conf/semweb/iswc2008.html#WartenaB08