Jacek Jankowski Adam Westerski Sebastian Ryszard Kruk Tadhg Nagle Jaroslaw Dobrzanski IKHarvester - Informal eLearning with Semantic Web Harvesting. 410-417 2008 ICSC http://doi.ieeecomputersociety.org/10.1109/ICSC.2008.47 conf/semco/2008 db/conf/semco/icsc2008.html#JankowskiWKND08