E-Learning on the Social Semantic Information Sources. - Sebastian Ryszard Kruk; Adam Gzella; Jaroslaw Dobrzanski; Bill McDaniel; Tomasz Woroniecki (EC-TEL, 2007)

IKHarvester - Informal eLearning with Semantic Web Harvesting. - Jacek Jankowski; Adam Westerski; Sebastian Ryszard Kruk; Tadhg Nagle; Jaroslaw Dobrzanski (ICSC, 2008)

Sharing information across community portals with FOAFRealm. - Slawomir Grzonkowski; Adam Gzella; Sebastian Ryszard Kruk; John G. Breslin; Tomasz Woroniecki; Jaroslaw Dobrzanski (Int. J. Web Based Communities, 2009)