Chang-Shing Perng Haixun Wang Sylvia R. Zhang Douglas Stott Parker Jr. Landmarks: a New Model for Similarity-based Pattern Querying in Time Series Databases. 33-42 2000 ICDE db/conf/icde/icde2000.html#PerngWZP00 http://doi.ieeecomputersociety.org/10.1109/ICDE.2000.839385