D. Aumueller, H. Do, S. Massmann, and E. Rahm. Proceedings of the 2005 ACM SIGMOD International Conference on Management of Data, page 906--908. New York, NY, USA, ACM, (2005)
H. Paulheim, and A. Erdogan. Proceedings of the 2Nd ACM SIGCHI Symposium on Engineering Interactive Computing Systems, page 303--308. New York, NY, USA, ACM, (2010)