InfoFilter: a system for expressive pattern specification and detection over text streams. - Laali Elkhalifa; Raman Adaikkalavan; Sharma Chakravarthy (SAC, 2005)

How To Search for Complex Patterns Over Streaming and Stored Data. - Sharma Chakravarthy; Laali Elkhalifa; Nikhil Deshpande; Raman Adaikkalavan; Raymond A. Liuzzi (IC-AI, 2006)