Edgar Chávez José L. Marroquín Ricardo A. Baeza-Yates Spaghettis: An Array Based Algorithm for Similarity Queries in Metric Spaces. 38-46 1999 SPIRE/CRIWG http://computer.org/proceedings/spire/0268/02680038abs.htm db/conf/spire/spire99.html#ChavezMB99