@inproceedings{Srivastava2004,
title = {Flexible time management in data stream systems},
address = {New York, NY, USA},
author = {Utkarsh Srivastava and Jennifer Widom},
booktitle = {PODS '04: Proceedings of the twenty-third ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems},
pages = {263--274},
publisher = {ACM},
year = {2004},
keywords = {CEP DSMS event out-of-order skew slack }
}
::