Jakub Lokoc, Magnus Lie Hetland, Tomás Skopal, Christian Beecks. Ptolemaic indexing of the signature quadratic form distance. In Alfredo Ferro, editor, Fourth International Conference on Similarity Search and Applications, SISAP 2011, Lipari Island, Italy, June 30 - July 01, 2011. pages 9-16, ACM, 2011. [doi]
Abstract is missing.