@inproceedings{Bry2007,
	title = {Towards Formal Foundations of Event Queries and Rules},
	author = {F. Bry and M. Eckert},
	booktitle = {VLDB '07: Proceedings of the 33rd international conference on Very large data bases},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/21058748f7089df500c974f2bc548e827/atrus},
	keywords = {ECA event logical query rule }
}