Elisa Kendall from Sandpiper and Dr Mohammad Ketabchi from Progress were my honorable partners on the Semantic CEP Panel at SemTech today. Q&A covered some interesting questions:

- isn’t the event pattern - decision - reaction view too simplistic?

This was complaint about the “simplified view of the world” slide I presented. Of course, being “simplified” it did not cover, for example, possible multiple levels of abstraction or feedback loops, while learning and update mechanisms are certainly still applicable.

- managing explosion of outgoing events - won’t reaction events potentially overwhelm an event bus?

Usually CEP is “reducing” numbers of simple events (observations etc) into a fewer number of complex / business events - so while this could be a problem, it tends not to be in most practical applications and/or can be managed through the middleware layer.

- what next for financial event processing?

Increased regulatory compliance rules will be applied to more financial operations and transactions by both banking and government agencies… probably a growth area for CEP technologies!

- surely semantic is not just limited to “static” ontology definitions - consider for example ontologies of actions and events?

This was against in introductory slide showing semantic community focus with the “FOAF” type logical relationships - good for text search problems and such, but less so for business operations and behavior - processes and services… Elisa also commented that dynamic classification was certainly a semantics capability, but was more a research topic in “government applications” rather than a productised capability right now.

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