J. Osterhoff, J. Waitelonis, and H. Sack. Proc. of 2. Workshop Interaktion und Visualisierung im Daten-Web (IVDW 2012), im Rahmen der INFORMATIK 2012, Braunschweig, (2012)
H. Sack. Proceedings of SWAP 2005, the 2nd Italian Semantic Web Workshop, CEUR Workshop Proceedings (2005), volume 166 of CEUR Workshop Proceedings, Trento, Italy, CEUR-WS.org, (December 2005)
H. Sack, and J. Waitelonis. in Proc. of 5. e-Learning Fachtagung Informatik, DeLFI 2007, volume P-111 of Lecture Notes in Informatics (LNI), Bonn, Köllen, (2007)
S. Repp, J. Waitelonis, H. Sack, and C. Meinel. in Proc. of 8 th Int. Conf. on Intelligent Data Engineering and Automated Learning (IDEAL 2007), (2007)
S. Linckels, H. Sack, and C. Meinel. in Proc. Workshop on Service Matchmaking and Resource Retrieval (SMR 2007) at the 6 th International Semantic Web Conference (ISWC + ASWC 2007), (November 2007)