InfoFilter: a system for expressive pattern specification and detection over text streams.

Laali Elkhalifa Raman Adaikkalavan Sharma Chakravarthy InfoFilter: a system for expressive pattern specification and detection over text streams. 1084-1088 2005 conf/sac/2005 SAC http://doi.acm.org/10.1145/1066677.1066923 db/conf/sac/sac2005.html#ElkhalifaAC05