The Fundamentals of iSPARQL --- A Virtual Triple Approach For Similarity-Based Semantic Web Tasks. In Karl Aberer and Key-Sun Choi and Natasha Noy and Dean Allemang and Kyung-Il Lee and Lyndon J B Nixon and Jennifer Golbeck and Peter Mika and Diana Maynard and Guus Schreiber and Philippe Cudré-Mauroux, editor(s), The Semantic Web --- Proceedings of the 6th International Semantic Web Conference and the 2nd Asian Semantic Web Conference (ISWC 2007 + ASWC 2007), November 11-15, 2007, Busan, Korea, (4825):295--308, Springer, Berlin--Heidelberg, Germany,2007. [BibSonomy: ontologies similarity sparql]