DigiMe - Ubiquitous Search and Browsing for Digital Libraries. - Sebastian Ryszard Kruk; Slawomir Grzonkowski; Adam Gzella; Mariusz Cygan (MDM, 2006)

JeromeDL: The Social Semantic Digital Library. - Sebastian Ryszard Kruk; Mariusz Cygan; Adam Gzella; Tomasz Woroniecki; Maciej Dabrowski (Semantic Digital Libraries, 2009)