On the Integration of Topic Maps and RDF Data - Paper presented by Stefan Decker and Martin Lacher at first Semantic Web Workshop, Stanford July 2001 (PDF file). www.semanticweb.org/SWWS/program/full/paper53.pdf
XML Topic Maps through RDF Glasses - By Nikita Ogievetsky. Advanced views on enrichment of Topic Maps with DAML-OIL, and introduction to Quantum Topic Maps concept. www.cogx.com/kt2002