Web Ontology Language (OWL)
http://www.w3.org/TR/2002/WD-owl-guide-20021104/

Wine portal:
http://www.corkcuisine.com
http://www.cyberbacchus.com/
http://www.daml.org/ontologies/76

interoperability of data in e-commerce systems (indecs)
http://www.indecs.org

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commerce XML
http://www.cxml.org/
http://netra.felk.cvut.cz/%7Eapg/odprezentovano/Leitner/cxml.htm

popis XML - diplomky
http://www.svoscb.cz/%7Epepe/Diplomky/Bulicek/bulicek.htm

katalog:
http://www.martsoft.com/ocp/