Complex Event Processing

http://www.espertech.com/products/

http://www.omg.org/news/meetings/workshops/Real-time_WS_Final_Presentations_2008/Tutorials/00-T6_Vincent.pdf

http://www.informit.com/articles/article.aspx?p=2140992&seqNum=2

https://technet.microsoft.com/en-us/library/hh393532(v=sql.110).aspx