@inproceedings{Agrawal08, <br>
 author = {Jagrati Agrawal and Yanlei Diao and Daniel Gyllstrom and Neil Immerman},<br>
 title = {Efficient pattern matching over event streams},<br>
 booktitle = {SIGMOD '08: Proceedings of the 2008 ACM SIGMOD international conference on Management of data},<br>
 year = {2008},<br>
 isbn = {978-1-60558-102-6},<br>
 pages = {147--160},<br>
 location = {Vancouver, Canada},<br>
 doi = {http://doi.acm.org/10.1145/1376616.1376634},<br>
 publisher = {ACM},<br>
 address = {New York, NY, USA},<br>
 }