@inproceedings{mannilasalmenkivikdd,
author = {Heikki Mannila and M. Salmenkivi},
booktitle = {Proceedings of the Seventh ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD 2001)},
pages = {341-346},
title = {Finding simple intensity descriptions from event sequence data},
year = {2001},
}