TSA-Tree: A Wavelet-Based Approach to Improve the Efficiency of Multi-Level Surprise and Trend Queries on Time-Series Data.

Cyrus Shahabi Xiaoming Tian Wugang Zhao TSA-Tree: A Wavelet-Based Approach to Improve the Efficiency of Multi-Level Surprise and Trend Queries on Time-Series Data. 55-68 2000 SSDBM http://www.computer.org/proceedings/ssdbm/0686/06860055abs.htm db/conf/ssdbm/ssdbm2000.html#ShahabiTZ00